cpython-lru_cache-weakref: Objects/floatobject.c annotate

annotate Objects/floatobject.c @ 13778:f6e4a9dd67cd legacy-trunk

Rename the "parser" package to "parsers" to be compatible with the PyXML project.

author	Fred Drake <fdrake@acm.org>
date	Mon, 31 Jul 2000 23:59:54 +0000
parents	59f8cedcf049
children	648ba4044455

rev	line source
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	1 /***********************************************************
13255 916fb024ce94 Change copyright notice. Guido van Rossum <guido@python.org> parents: 13210 diff changeset	2 Copyright (c) 2000, BeOpen.com.
916fb024ce94 Change copyright notice. Guido van Rossum <guido@python.org> parents: 13210 diff changeset	3 Copyright (c) 1995-2000, Corporation for National Research Initiatives.
916fb024ce94 Change copyright notice. Guido van Rossum <guido@python.org> parents: 13210 diff changeset	4 Copyright (c) 1990-1995, Stichting Mathematisch Centrum.
916fb024ce94 Change copyright notice. Guido van Rossum <guido@python.org> parents: 13210 diff changeset	5 All rights reserved.
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	6
13255 916fb024ce94 Change copyright notice. Guido van Rossum <guido@python.org> parents: 13210 diff changeset	7 See the file "Misc/COPYRIGHT" for information on usage and
916fb024ce94 Change copyright notice. Guido van Rossum <guido@python.org> parents: 13210 diff changeset	8 redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	9 ******************************************************************/
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	10
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	11 /* Float object implementation */
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	12
27 82c7bab78bb1 New errors. Guido van Rossum <guido@python.org> parents: 6 diff changeset	13 /* XXX There should be overflow checks here, but it's hard to check
82c7bab78bb1 New errors. Guido van Rossum <guido@python.org> parents: 6 diff changeset	14 for any kind of float exception without losing portability. */
82c7bab78bb1 New errors. Guido van Rossum <guido@python.org> parents: 6 diff changeset	15
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	16 #include "Python.h"
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	17
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 60 diff changeset	18 #include <ctype.h>
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	19
1271 2919b448e385 * Microscopic corrections to make things compile on the Cray APP. Guido van Rossum <guido@python.org> parents: 1257 diff changeset	20 #ifdef i860
2919b448e385 * Microscopic corrections to make things compile on the Cray APP. Guido van Rossum <guido@python.org> parents: 1257 diff changeset	21 /* Cray APP has bogus definition of HUGE_VAL in <math.h> */
2919b448e385 * Microscopic corrections to make things compile on the Cray APP. Guido van Rossum <guido@python.org> parents: 1257 diff changeset	22 #undef HUGE_VAL
2919b448e385 * Microscopic corrections to make things compile on the Cray APP. Guido van Rossum <guido@python.org> parents: 1257 diff changeset	23 #endif
2919b448e385 * Microscopic corrections to make things compile on the Cray APP. Guido van Rossum <guido@python.org> parents: 1257 diff changeset	24
3704 17030515f623 Different logic for defining CHECK(); 16-bit MSC specific define. Guido van Rossum <guido@python.org> parents: 3608 diff changeset	25 #if defined(HUGE_VAL) && !defined(CHECK)
496 0ac392b7f76e Explicitly check for weird values after calling pow(). Guido van Rossum <guido@python.org> parents: 470 diff changeset	26 #define CHECK(x) if (errno != 0) ; \
0ac392b7f76e Explicitly check for weird values after calling pow(). Guido van Rossum <guido@python.org> parents: 470 diff changeset	27 else if (-HUGE_VAL <= (x) && (x) <= HUGE_VAL) ; \
0ac392b7f76e Explicitly check for weird values after calling pow(). Guido van Rossum <guido@python.org> parents: 470 diff changeset	28 else errno = ERANGE
3704 17030515f623 Different logic for defining CHECK(); 16-bit MSC specific define. Guido van Rossum <guido@python.org> parents: 3608 diff changeset	29 #endif
17030515f623 Different logic for defining CHECK(); 16-bit MSC specific define. Guido van Rossum <guido@python.org> parents: 3608 diff changeset	30
17030515f623 Different logic for defining CHECK(); 16-bit MSC specific define. Guido van Rossum <guido@python.org> parents: 3608 diff changeset	31 #ifndef CHECK
496 0ac392b7f76e Explicitly check for weird values after calling pow(). Guido van Rossum <guido@python.org> parents: 470 diff changeset	32 #define CHECK(x) /* Don't know how to check */
0ac392b7f76e Explicitly check for weird values after calling pow(). Guido van Rossum <guido@python.org> parents: 470 diff changeset	33 #endif
0ac392b7f76e Explicitly check for weird values after calling pow(). Guido van Rossum <guido@python.org> parents: 470 diff changeset	34
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	35 #ifdef HAVE_LIMITS_H
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	36 #include <limits.h>
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	37 #endif
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	38
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	39 #ifndef LONG_MAX
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	40 #if SIZEOF_LONG == 4
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	41 #define LONG_MAX 0X7FFFFFFFL
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	42 #elif SIZEOF_LONG == 8
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	43 #define LONG_MAX 0X7FFFFFFFFFFFFFFFL
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	44 #else
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	45 #error "could not set LONG_MAX"
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	46 #endif
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	47 #endif
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	48
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	49 #ifndef LONG_MIN
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	50 #define LONG_MIN (-LONG_MAX-1)
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	51 #endif
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	52
2327 43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	53 #ifdef __NeXT__
43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	54 #ifdef __sparc__
43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	55 /*
43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	56 * This works around a bug in the NS/Sparc 3.3 pre-release
43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	57 * limits.h header file.
43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	58 * 10-Feb-1995 bwarsaw@cnri.reston.va.us
43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	59 */
43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	60 #undef LONG_MIN
43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	61 #define LONG_MIN (-LONG_MAX-1)
43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	62 #endif
43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	63 #endif
43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	64
2433 6cbd2830b5a2 for MPW __SC__ compiler Guido van Rossum <guido@python.org> parents: 2327 diff changeset	65 #if !defined(__STDC__) && !defined(macintosh)
13447 a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO. Tim Peters <tim.peters@gmail.com> parents: 13256 diff changeset	66 extern double fmod(double, double);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO. Tim Peters <tim.peters@gmail.com> parents: 13256 diff changeset	67 extern double pow(double, double);
60 4f593b38d061 Moved prototyes for fmod and pow, and don't use them for THINK C. Guido van Rossum <guido@python.org> parents: 46 diff changeset	68 #endif
4f593b38d061 Moved prototyes for fmod and pow, and don't use them for THINK C. Guido van Rossum <guido@python.org> parents: 46 diff changeset	69
6537 25505e563b37 Hack suggested by Matthias Klose to pull in all relevant entry points Guido van Rossum <guido@python.org> parents: 5936 diff changeset	70 #ifdef sun
25505e563b37 Hack suggested by Matthias Klose to pull in all relevant entry points Guido van Rossum <guido@python.org> parents: 5936 diff changeset	71 /* On SunOS4.1 only libm.a exists. Make sure that references to all
25505e563b37 Hack suggested by Matthias Klose to pull in all relevant entry points Guido van Rossum <guido@python.org> parents: 5936 diff changeset	72 needed math functions exist in the executable, so that dynamic
25505e563b37 Hack suggested by Matthias Klose to pull in all relevant entry points Guido van Rossum <guido@python.org> parents: 5936 diff changeset	73 loading of mathmodule does not fail. */
25505e563b37 Hack suggested by Matthias Klose to pull in all relevant entry points Guido van Rossum <guido@python.org> parents: 5936 diff changeset	74 double (*_Py_math_funcs_hack[])() = {
25505e563b37 Hack suggested by Matthias Klose to pull in all relevant entry points Guido van Rossum <guido@python.org> parents: 5936 diff changeset	75 acos, asin, atan, atan2, ceil, cos, cosh, exp, fabs, floor,
25505e563b37 Hack suggested by Matthias Klose to pull in all relevant entry points Guido van Rossum <guido@python.org> parents: 5936 diff changeset	76 fmod, log, log10, pow, sin, sinh, sqrt, tan, tanh
25505e563b37 Hack suggested by Matthias Klose to pull in all relevant entry points Guido van Rossum <guido@python.org> parents: 5936 diff changeset	77 };
25505e563b37 Hack suggested by Matthias Klose to pull in all relevant entry points Guido van Rossum <guido@python.org> parents: 5936 diff changeset	78 #endif
25505e563b37 Hack suggested by Matthias Klose to pull in all relevant entry points Guido van Rossum <guido@python.org> parents: 5936 diff changeset	79
5504 c88b9b868995 Faster floating point allocator, same idea as the int allocator. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	80 /* Special free list -- see comments for same code in intobject.c. */
c88b9b868995 Faster floating point allocator, same idea as the int allocator. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	81 #define BLOCK_SIZE 1000 /* 1K less typical malloc overhead */
10391 7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	82 #define BHEAD_SIZE 8 /* Enough for a 64-bit pointer */
10382 e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	83 #define N_FLOATOBJECTS ((BLOCK_SIZE - BHEAD_SIZE) / sizeof(PyFloatObject))
10391 7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	84
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	85 struct _floatblock {
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	86 struct _floatblock *next;
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	87 PyFloatObject objects[N_FLOATOBJECTS];
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	88 };
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	89
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	90 typedef struct _floatblock PyFloatBlock;
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	91
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	92 static PyFloatBlock *block_list = NULL;
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	93 static PyFloatObject *free_list = NULL;
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	94
5504 c88b9b868995 Faster floating point allocator, same idea as the int allocator. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	95 static PyFloatObject *
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	96 fill_free_list(void)
5504 c88b9b868995 Faster floating point allocator, same idea as the int allocator. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	97 {
c88b9b868995 Faster floating point allocator, same idea as the int allocator. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	98 PyFloatObject p, q;
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12248 diff changeset	99 /* XXX Float blocks escape the object heap. Use PyObject_MALLOC ??? */
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12248 diff changeset	100 p = (PyFloatObject *) PyMem_MALLOC(sizeof(PyFloatBlock));
5504 c88b9b868995 Faster floating point allocator, same idea as the int allocator. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	101 if (p == NULL)
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12248 diff changeset	102 return (PyFloatObject *) PyErr_NoMemory();
10391 7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	103 ((PyFloatBlock *)p)->next = block_list;
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	104 block_list = (PyFloatBlock *)p;
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	105 p = &((PyFloatBlock *)p)->objects[0];
5504 c88b9b868995 Faster floating point allocator, same idea as the int allocator. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	106 q = p + N_FLOATOBJECTS;
c88b9b868995 Faster floating point allocator, same idea as the int allocator. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	107 while (--q > p)
10382 e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	108 q->ob_type = (struct _typeobject *)(q-1);
e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	109 q->ob_type = NULL;
5504 c88b9b868995 Faster floating point allocator, same idea as the int allocator. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	110 return p + N_FLOATOBJECTS - 1;
c88b9b868995 Faster floating point allocator, same idea as the int allocator. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	111 }
c88b9b868995 Faster floating point allocator, same idea as the int allocator. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	112
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	113 PyObject *
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	114 PyFloat_FromDouble(double fval)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	115 {
5504 c88b9b868995 Faster floating point allocator, same idea as the int allocator. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	116 register PyFloatObject *op;
c88b9b868995 Faster floating point allocator, same idea as the int allocator. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	117 if (free_list == NULL) {
c88b9b868995 Faster floating point allocator, same idea as the int allocator. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	118 if ((free_list = fill_free_list()) == NULL)
c88b9b868995 Faster floating point allocator, same idea as the int allocator. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	119 return NULL;
c88b9b868995 Faster floating point allocator, same idea as the int allocator. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	120 }
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12248 diff changeset	121 /* PyObject_New is inlined */
5504 c88b9b868995 Faster floating point allocator, same idea as the int allocator. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	122 op = free_list;
10382 e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	123 free_list = (PyFloatObject *)op->ob_type;
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12248 diff changeset	124 PyObject_INIT(op, &PyFloat_Type);
27 82c7bab78bb1 New errors. Guido van Rossum <guido@python.org> parents: 6 diff changeset	125 op->ob_fval = fval;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	126 return (PyObject *) op;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	127 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	128
11383 aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	129 PyObject *
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	130 PyFloat_FromString(PyObject v, char *pend)
11383 aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	131 {
13447 a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO. Tim Peters <tim.peters@gmail.com> parents: 13256 diff changeset	132 extern double strtod(const char , char *);
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	133 const char s, last, *end;
11383 aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	134 double x;
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	135 char buffer[256]; /* For errors */
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	136 int len;
11383 aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	137
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	138 if (PyString_Check(v)) {
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	139 s = PyString_AS_STRING(v);
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	140 len = PyString_GET_SIZE(v);
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	141 }
12248 70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that Guido van Rossum <guido@python.org> parents: 11969 diff changeset	142 else if (PyUnicode_Check(v)) {
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that Guido van Rossum <guido@python.org> parents: 11969 diff changeset	143 char s_buffer[256];
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that Guido van Rossum <guido@python.org> parents: 11969 diff changeset	144
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that Guido van Rossum <guido@python.org> parents: 11969 diff changeset	145 if (PyUnicode_GET_SIZE(v) >= sizeof(s_buffer)) {
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that Guido van Rossum <guido@python.org> parents: 11969 diff changeset	146 PyErr_SetString(PyExc_ValueError,
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that Guido van Rossum <guido@python.org> parents: 11969 diff changeset	147 "float() literal too large to convert");
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that Guido van Rossum <guido@python.org> parents: 11969 diff changeset	148 return NULL;
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that Guido van Rossum <guido@python.org> parents: 11969 diff changeset	149 }
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that Guido van Rossum <guido@python.org> parents: 11969 diff changeset	150 if (PyUnicode_EncodeDecimal(PyUnicode_AS_UNICODE(v),
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that Guido van Rossum <guido@python.org> parents: 11969 diff changeset	151 PyUnicode_GET_SIZE(v),
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that Guido van Rossum <guido@python.org> parents: 11969 diff changeset	152 s_buffer,
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that Guido van Rossum <guido@python.org> parents: 11969 diff changeset	153 NULL))
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that Guido van Rossum <guido@python.org> parents: 11969 diff changeset	154 return NULL;
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that Guido van Rossum <guido@python.org> parents: 11969 diff changeset	155 s = s_buffer;
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that Guido van Rossum <guido@python.org> parents: 11969 diff changeset	156 len = strlen(s);
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that Guido van Rossum <guido@python.org> parents: 11969 diff changeset	157 }
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	158 else if (PyObject_AsCharBuffer(v, &s, &len)) {
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	159 PyErr_SetString(PyExc_TypeError,
74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	160 "float() needs a string argument");
11383 aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	161 return NULL;
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	162 }
11383 aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	163
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	164 last = s + len;
11383 aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	165 while (s && isspace(Py_CHARMASK(s)))
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	166 s++;
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	167 if (s[0] == '\0') {
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	168 PyErr_SetString(PyExc_ValueError, "empty string for float()");
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	169 return NULL;
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	170 }
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	171 errno = 0;
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	172 PyFPE_START_PROTECT("PyFloat_FromString", return 0)
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	173 x = strtod((char )s, (char *)&end);
11383 aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	174 PyFPE_END_PROTECT(x)
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	175 /* Believe it or not, Solaris 2.6 can move end beyond the null
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	176 byte at the end of the string, when the input is inf(inity) */
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	177 if (end > last)
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	178 end = last;
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	179 while (end && isspace(Py_CHARMASK(end)))
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	180 end++;
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	181 if (*end != '\0') {
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	182 sprintf(buffer, "invalid literal for float(): %.200s", s);
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	183 PyErr_SetString(PyExc_ValueError, buffer);
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	184 return NULL;
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	185 }
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	186 else if (end != last) {
11383 aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	187 PyErr_SetString(PyExc_ValueError,
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	188 "null byte in argument for float()");
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	189 return NULL;
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	190 }
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	191 else if (errno != 0) {
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	192 sprintf(buffer, "float() literal too large: %.200s", s);
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	193 PyErr_SetString(PyExc_ValueError, buffer);
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	194 return NULL;
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	195 }
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	196 if (pend)
11969 74b7213fb609 Many changes for Unicode, by Marc-Andre Lemburg. Guido van Rossum <guido@python.org> parents: 11673 diff changeset	197 pend = (char )end;
11383 aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	198 return PyFloat_FromDouble(x);
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	199 }
aca7b5eaf5e8 Mainlining the string_methods branch. See branch revision log Barry Warsaw <barry@python.org> parents: 10833 diff changeset	200
1313 6ee380349c84 * Added gmtime/localtime/mktime and SYSV timezone globals to timemodule.c. Guido van Rossum <guido@python.org> parents: 1271 diff changeset	201 static void
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	202 float_dealloc(PyFloatObject *op)
745 c7b23cc8cded answer lint's complaints Guido van Rossum <guido@python.org> parents: 632 diff changeset	203 {
10382 e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	204 op->ob_type = (struct _typeobject *)free_list;
5504 c88b9b868995 Faster floating point allocator, same idea as the int allocator. Guido van Rossum <guido@python.org> parents: 5396 diff changeset	205 free_list = op;
745 c7b23cc8cded answer lint's complaints Guido van Rossum <guido@python.org> parents: 632 diff changeset	206 }
c7b23cc8cded answer lint's complaints Guido van Rossum <guido@python.org> parents: 632 diff changeset	207
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	208 double
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	209 PyFloat_AsDouble(PyObject *op)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	210 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	211 PyNumberMethods *nb;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	212 PyFloatObject *fo;
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	213 double val;
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	214
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	215 if (op && PyFloat_Check(op))
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	216 return PyFloat_AS_DOUBLE((PyFloatObject*) op);
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	217
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	218 if (op == NULL \|\| (nb = op->ob_type->tp_as_number) == NULL \|\|
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	219 nb->nb_float == NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	220 PyErr_BadArgument();
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	221 return -1;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	222 }
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	223
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	224 fo = (PyFloatObject) (nb->nb_float) (op);
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	225 if (fo == NULL)
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	226 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	227 if (!PyFloat_Check(fo)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	228 PyErr_SetString(PyExc_TypeError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	229 "nb_float should return float object");
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	230 return -1;
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	231 }
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	232
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	233 val = PyFloat_AS_DOUBLE(fo);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	234 Py_DECREF(fo);
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	235
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	236 return val;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	237 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	238
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	239 /* Methods */
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	240
268 0fe2471166f0 Export float_buf_repr() interface, for marshalling of floats. Guido van Rossum <guido@python.org> parents: 249 diff changeset	241 void
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	242 PyFloat_AsStringEx(char buf, PyFloatObject v, int precision)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	243 {
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	244 register char *cp;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	245 /* Subroutine for float_repr and float_print.
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	246 We want float numbers to be recognizable as such,
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	247 i.e., they should contain a decimal point or an exponent.
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	248 However, %g may print the number as an integer;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	249 in such cases, we append ".0" to the string. */
11631 cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	250 sprintf(buf, "%.*g", precision, v->ob_fval);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	251 cp = buf;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	252 if (*cp == '-')
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	253 cp++;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	254 for (; *cp != '\0'; cp++) {
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	255 /* Any non-digit means it's not an integer;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	256 this takes care of NAN and INF as well. */
2308 14b126d0b5be use Py_CHARMASK; and don't check for neg. float to the float power here Guido van Rossum <guido@python.org> parents: 2156 diff changeset	257 if (!isdigit(Py_CHARMASK(*cp)))
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	258 break;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	259 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	260 if (*cp == '\0') {
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	261 *cp++ = '.';
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	262 *cp++ = '0';
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	263 *cp++ = '\0';
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	264 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	265 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	266
11631 cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	267 /* Precisions used by repr() and str(), respectively.
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	268
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	269 The repr() precision (17 significant decimal digits) is the minimal number
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	270 that is guaranteed to have enough precision so that if the number is read
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	271 back in the exact same binary value is recreated. This is true for IEEE
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	272 floating point by design, and also happens to work for all other modern
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	273 hardware.
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	274
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	275 The str() precision is chosen so that in most cases, the rounding noise
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	276 created by various operations is suppressed, while giving plenty of
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	277 precision for practical use.
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	278
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	279 */
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	280
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	281 #define PREC_REPR 17
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	282 #define PREC_STR 12
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	283
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	284 void
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	285 PyFloat_AsString(char buf, PyFloatObject v)
11631 cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	286 {
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	287 PyFloat_AsStringEx(buf, v, PREC_STR);
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	288 }
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	289
745 c7b23cc8cded answer lint's complaints Guido van Rossum <guido@python.org> parents: 632 diff changeset	290 /* ARGSUSED */
284 6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 268 diff changeset	291 static int
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	292 float_print(PyFloatObject v, FILE fp, int flags)
fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	293 /* flags -- not used but required by interface */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	294 {
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	295 char buf[100];
11631 cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	296 PyFloat_AsStringEx(buf, v, flags&Py_PRINT_RAW ? PREC_STR : PREC_REPR);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	297 fputs(buf, fp);
284 6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 268 diff changeset	298 return 0;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	299 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	300
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	301 static PyObject *
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	302 float_repr(PyFloatObject *v)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	303 {
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	304 char buf[100];
11631 cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	305 PyFloat_AsStringEx(buf, v, PREC_REPR);
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	306 return PyString_FromString(buf);
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	307 }
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	308
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	309 static PyObject *
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	310 float_str(PyFloatObject *v)
11631 cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	311 {
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	312 char buf[100];
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	313 PyFloat_AsStringEx(buf, v, PREC_STR);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	314 return PyString_FromString(buf);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	315 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	316
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	317 static int
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	318 float_compare(PyFloatObject v, PyFloatObject w)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	319 {
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	320 double i = v->ob_fval;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	321 double j = w->ob_fval;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	322 return (i < j) ? -1 : (i > j) ? 1 : 0;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	323 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	324
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	325
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	326 static long
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	327 float_hash(PyFloatObject *v)
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	328 {
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	329 double intpart, fractpart;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	330 long x;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	331 /* This is designed so that Python numbers with the same
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	332 value hash to the same value, otherwise comparisons
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	333 of mapping keys will turn out weird */
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	334
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	335 #ifdef MPW /* MPW C modf expects pointer to extended as second argument */
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	336 {
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	337 extended e;
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	338 fractpart = modf(v->ob_fval, &e);
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	339 intpart = e;
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	340 }
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	341 #else
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	342 fractpart = modf(v->ob_fval, &intpart);
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	343 #endif
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	344
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	345 if (fractpart == 0.0) {
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	346 if (intpart > LONG_MAX \|\| -intpart > LONG_MAX) {
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	347 /* Convert to long int and use its hash... */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	348 PyObject *w = PyLong_FromDouble(v->ob_fval);
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	349 if (w == NULL)
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	350 return -1;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	351 x = PyObject_Hash(w);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	352 Py_DECREF(w);
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	353 return x;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	354 }
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	355 x = (long)intpart;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	356 }
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	357 else {
4933 b56bc25aec85 New, better hash for floating point and complex Guido van Rossum <guido@python.org> parents: 4503 diff changeset	358 /* Note -- if you change this code, also change the copy
b56bc25aec85 New, better hash for floating point and complex Guido van Rossum <guido@python.org> parents: 4503 diff changeset	359 in complexobject.c */
13141 cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	360 x = _Py_HashDouble(v->ob_fval);
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	361 if (x == -1)
cca84745da3e This patch addresses two main issues: (1) There exist some non-fatal Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	362 return -1;
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	363 }
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	364 if (x == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	365 x = -2;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	366 return x;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	367 }
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	368
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	369 static PyObject *
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	370 float_add(PyFloatObject v, PyFloatObject w)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	371 {
5118 002865af55e5 Changes for Lee Busby's SIGFPE patch set. Guido van Rossum <guido@python.org> parents: 4933 diff changeset	372 double result;
002865af55e5 Changes for Lee Busby's SIGFPE patch set. Guido van Rossum <guido@python.org> parents: 4933 diff changeset	373 PyFPE_START_PROTECT("add", return 0)
002865af55e5 Changes for Lee Busby's SIGFPE patch set. Guido van Rossum <guido@python.org> parents: 4933 diff changeset	374 result = v->ob_fval + w->ob_fval;
5197 74c12704a0bd New form of PyFPE_END_PROTECT macro. Guido van Rossum <guido@python.org> parents: 5118 diff changeset	375 PyFPE_END_PROTECT(result)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	376 return PyFloat_FromDouble(result);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	377 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	378
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	379 static PyObject *
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	380 float_sub(PyFloatObject v, PyFloatObject w)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	381 {
5118 002865af55e5 Changes for Lee Busby's SIGFPE patch set. Guido van Rossum <guido@python.org> parents: 4933 diff changeset	382 double result;
002865af55e5 Changes for Lee Busby's SIGFPE patch set. Guido van Rossum <guido@python.org> parents: 4933 diff changeset	383 PyFPE_START_PROTECT("subtract", return 0)
002865af55e5 Changes for Lee Busby's SIGFPE patch set. Guido van Rossum <guido@python.org> parents: 4933 diff changeset	384 result = v->ob_fval - w->ob_fval;
5197 74c12704a0bd New form of PyFPE_END_PROTECT macro. Guido van Rossum <guido@python.org> parents: 5118 diff changeset	385 PyFPE_END_PROTECT(result)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	386 return PyFloat_FromDouble(result);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	387 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	388
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	389 static PyObject *
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	390 float_mul(PyFloatObject v, PyFloatObject w)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	391 {
5118 002865af55e5 Changes for Lee Busby's SIGFPE patch set. Guido van Rossum <guido@python.org> parents: 4933 diff changeset	392 double result;
002865af55e5 Changes for Lee Busby's SIGFPE patch set. Guido van Rossum <guido@python.org> parents: 4933 diff changeset	393
002865af55e5 Changes for Lee Busby's SIGFPE patch set. Guido van Rossum <guido@python.org> parents: 4933 diff changeset	394 PyFPE_START_PROTECT("multiply", return 0)
002865af55e5 Changes for Lee Busby's SIGFPE patch set. Guido van Rossum <guido@python.org> parents: 4933 diff changeset	395 result = v->ob_fval * w->ob_fval;
5197 74c12704a0bd New form of PyFPE_END_PROTECT macro. Guido van Rossum <guido@python.org> parents: 5118 diff changeset	396 PyFPE_END_PROTECT(result)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	397 return PyFloat_FromDouble(result);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	398 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	399
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	400 static PyObject *
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	401 float_div(PyFloatObject v, PyFloatObject w)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	402 {
5118 002865af55e5 Changes for Lee Busby's SIGFPE patch set. Guido van Rossum <guido@python.org> parents: 4933 diff changeset	403 double result;
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	404 if (w->ob_fval == 0) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	405 PyErr_SetString(PyExc_ZeroDivisionError, "float division");
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	406 return NULL;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	407 }
5118 002865af55e5 Changes for Lee Busby's SIGFPE patch set. Guido van Rossum <guido@python.org> parents: 4933 diff changeset	408 PyFPE_START_PROTECT("divide", return 0)
002865af55e5 Changes for Lee Busby's SIGFPE patch set. Guido van Rossum <guido@python.org> parents: 4933 diff changeset	409 result = v->ob_fval / w->ob_fval;
5197 74c12704a0bd New form of PyFPE_END_PROTECT macro. Guido van Rossum <guido@python.org> parents: 5118 diff changeset	410 PyFPE_END_PROTECT(result)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	411 return PyFloat_FromDouble(result);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	412 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	413
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	414 static PyObject *
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	415 float_rem(PyFloatObject v, PyFloatObject w)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	416 {
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	417 double vx, wx;
10833 135c1ec9636c Tim Peters writes: Guido van Rossum <guido@python.org> parents: 10432 diff changeset	418 double mod;
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	419 wx = w->ob_fval;
0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	420 if (wx == 0.0) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	421 PyErr_SetString(PyExc_ZeroDivisionError, "float modulo");
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	422 return NULL;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	423 }
5118 002865af55e5 Changes for Lee Busby's SIGFPE patch set. Guido van Rossum <guido@python.org> parents: 4933 diff changeset	424 PyFPE_START_PROTECT("modulo", return 0)
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	425 vx = v->ob_fval;
0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	426 mod = fmod(vx, wx);
10833 135c1ec9636c Tim Peters writes: Guido van Rossum <guido@python.org> parents: 10432 diff changeset	427 /* note: checking mod*wx < 0 is incorrect -- underflows to
135c1ec9636c Tim Peters writes: Guido van Rossum <guido@python.org> parents: 10432 diff changeset	428 0 if wx < sqrt(smallest nonzero double) */
135c1ec9636c Tim Peters writes: Guido van Rossum <guido@python.org> parents: 10432 diff changeset	429 if (mod && ((wx < 0) != (mod < 0))) {
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	430 mod += wx;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	431 }
5197 74c12704a0bd New form of PyFPE_END_PROTECT macro. Guido van Rossum <guido@python.org> parents: 5118 diff changeset	432 PyFPE_END_PROTECT(mod)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	433 return PyFloat_FromDouble(mod);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	434 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	435
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	436 static PyObject *
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	437 float_divmod(PyFloatObject v, PyFloatObject w)
227 7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	438 {
391 caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	439 double vx, wx;
10833 135c1ec9636c Tim Peters writes: Guido van Rossum <guido@python.org> parents: 10432 diff changeset	440 double div, mod, floordiv;
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	441 wx = w->ob_fval;
391 caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	442 if (wx == 0.0) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	443 PyErr_SetString(PyExc_ZeroDivisionError, "float divmod()");
391 caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	444 return NULL;
caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	445 }
5118 002865af55e5 Changes for Lee Busby's SIGFPE patch set. Guido van Rossum <guido@python.org> parents: 4933 diff changeset	446 PyFPE_START_PROTECT("divmod", return 0)
391 caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	447 vx = v->ob_fval;
caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	448 mod = fmod(vx, wx);
10833 135c1ec9636c Tim Peters writes: Guido van Rossum <guido@python.org> parents: 10432 diff changeset	449 /* fmod is typically exact, so vx-mod is mathemtically an
135c1ec9636c Tim Peters writes: Guido van Rossum <guido@python.org> parents: 10432 diff changeset	450 exact multiple of wx. But this is fp arithmetic, and fp
135c1ec9636c Tim Peters writes: Guido van Rossum <guido@python.org> parents: 10432 diff changeset	451 vx - mod is an approximation; the result is that div may
135c1ec9636c Tim Peters writes: Guido van Rossum <guido@python.org> parents: 10432 diff changeset	452 not be an exact integral value after the division, although
135c1ec9636c Tim Peters writes: Guido van Rossum <guido@python.org> parents: 10432 diff changeset	453 it will always be very close to one.
135c1ec9636c Tim Peters writes: Guido van Rossum <guido@python.org> parents: 10432 diff changeset	454 */
391 caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	455 div = (vx - mod) / wx;
10833 135c1ec9636c Tim Peters writes: Guido van Rossum <guido@python.org> parents: 10432 diff changeset	456 /* note: checking mod*wx < 0 is incorrect -- underflows to
135c1ec9636c Tim Peters writes: Guido van Rossum <guido@python.org> parents: 10432 diff changeset	457 0 if wx < sqrt(smallest nonzero double) */
135c1ec9636c Tim Peters writes: Guido van Rossum <guido@python.org> parents: 10432 diff changeset	458 if (mod && ((wx < 0) != (mod < 0))) {
391 caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	459 mod += wx;
caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	460 div -= 1.0;
caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	461 }
10833 135c1ec9636c Tim Peters writes: Guido van Rossum <guido@python.org> parents: 10432 diff changeset	462 /* snap quotient to nearest integral value */
135c1ec9636c Tim Peters writes: Guido van Rossum <guido@python.org> parents: 10432 diff changeset	463 floordiv = floor(div);
135c1ec9636c Tim Peters writes: Guido van Rossum <guido@python.org> parents: 10432 diff changeset	464 if (div - floordiv > 0.5)
135c1ec9636c Tim Peters writes: Guido van Rossum <guido@python.org> parents: 10432 diff changeset	465 floordiv += 1.0;
5197 74c12704a0bd New form of PyFPE_END_PROTECT macro. Guido van Rossum <guido@python.org> parents: 5118 diff changeset	466 PyFPE_END_PROTECT(div)
10833 135c1ec9636c Tim Peters writes: Guido van Rossum <guido@python.org> parents: 10432 diff changeset	467 return Py_BuildValue("(dd)", floordiv, mod);
227 7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	468 }
7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	469
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	470 static double powu(double x, long n)
3329 67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	471 {
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	472 double r = 1.;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	473 double p = x;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	474 long mask = 1;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	475 while (mask > 0 && n >= mask) {
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	476 if (n & mask)
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	477 r *= p;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	478 mask <<= 1;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	479 p *= p;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	480 }
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	481 return r;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	482 }
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	483
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	484 static PyObject *
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	485 float_pow(PyFloatObject v, PyObject w, PyFloatObject *z)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	486 {
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	487 double iv, iw, ix;
3329 67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	488 long intw;
1775 17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	489 /* XXX Doesn't handle overflows if z!=None yet; it may never do so :(
17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	490 * The z parameter is really only going to be useful for integers and
17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	491 * long integers. Maybe something clever with logarithms could be done.
17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	492 * [AMK]
17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	493 */
3329 67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	494 iv = v->ob_fval;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	495 iw = ((PyFloatObject *)w)->ob_fval;
3329 67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	496 intw = (long)iw;
4007 1a0aa986f6fa Test for negative # to the nonintegral float power here. Guido van Rossum <guido@python.org> parents: 3984 diff changeset	497 if (iw == intw && -10000 < intw && intw < 10000) {
3329 67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	498 /* Sort out special cases here instead of relying on pow() */
3984 0613f17dcfd8 Correct wrong calculation of pow(0.0, 0.0, negative_number) Guido van Rossum <guido@python.org> parents: 3704 diff changeset	499 if (intw == 0) { /* x0 is 1, even 00 */
5118 002865af55e5 Changes for Lee Busby's SIGFPE patch set. Guido van Rossum <guido@python.org> parents: 4933 diff changeset	500 PyFPE_START_PROTECT("pow", return 0)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	501 if ((PyObject *)z!=Py_None) {
3329 67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	502 ix=fmod(1.0, z->ob_fval);
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	503 if (ix!=0 && z->ob_fval<0) ix+=z->ob_fval;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	504 }
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	505 else ix=1.0;
5197 74c12704a0bd New form of PyFPE_END_PROTECT macro. Guido van Rossum <guido@python.org> parents: 5118 diff changeset	506 PyFPE_END_PROTECT(ix)
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	507 return PyFloat_FromDouble(ix);
249 bab1f5494b8e Fix special cases in pow() Guido van Rossum <guido@python.org> parents: 239 diff changeset	508 }
3984 0613f17dcfd8 Correct wrong calculation of pow(0.0, 0.0, negative_number) Guido van Rossum <guido@python.org> parents: 3704 diff changeset	509 errno = 0;
5118 002865af55e5 Changes for Lee Busby's SIGFPE patch set. Guido van Rossum <guido@python.org> parents: 4933 diff changeset	510 PyFPE_START_PROTECT("pow", return 0)
4007 1a0aa986f6fa Test for negative # to the nonintegral float power here. Guido van Rossum <guido@python.org> parents: 3984 diff changeset	511 if (intw > 0)
1a0aa986f6fa Test for negative # to the nonintegral float power here. Guido van Rossum <guido@python.org> parents: 3984 diff changeset	512 ix = powu(iv, intw);
1a0aa986f6fa Test for negative # to the nonintegral float power here. Guido van Rossum <guido@python.org> parents: 3984 diff changeset	513 else
1a0aa986f6fa Test for negative # to the nonintegral float power here. Guido van Rossum <guido@python.org> parents: 3984 diff changeset	514 ix = 1./powu(iv, -intw);
5197 74c12704a0bd New form of PyFPE_END_PROTECT macro. Guido van Rossum <guido@python.org> parents: 5118 diff changeset	515 PyFPE_END_PROTECT(ix)
3984 0613f17dcfd8 Correct wrong calculation of pow(0.0, 0.0, negative_number) Guido van Rossum <guido@python.org> parents: 3704 diff changeset	516 }
0613f17dcfd8 Correct wrong calculation of pow(0.0, 0.0, negative_number) Guido van Rossum <guido@python.org> parents: 3704 diff changeset	517 else {
0613f17dcfd8 Correct wrong calculation of pow(0.0, 0.0, negative_number) Guido van Rossum <guido@python.org> parents: 3704 diff changeset	518 /* Sort out special cases here instead of relying on pow() */
3329 67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	519 if (iv == 0.0) {
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	520 if (iw < 0.0) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	521 PyErr_SetString(PyExc_ValueError,
4007 1a0aa986f6fa Test for negative # to the nonintegral float power here. Guido van Rossum <guido@python.org> parents: 3984 diff changeset	522 "0.0 to a negative power");
3329 67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	523 return NULL;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	524 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	525 return PyFloat_FromDouble(0.0);
3329 67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	526 }
4007 1a0aa986f6fa Test for negative # to the nonintegral float power here. Guido van Rossum <guido@python.org> parents: 3984 diff changeset	527 if (iv < 0.0) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	528 PyErr_SetString(PyExc_ValueError,
4007 1a0aa986f6fa Test for negative # to the nonintegral float power here. Guido van Rossum <guido@python.org> parents: 3984 diff changeset	529 "negative number to a float power");
1a0aa986f6fa Test for negative # to the nonintegral float power here. Guido van Rossum <guido@python.org> parents: 3984 diff changeset	530 return NULL;
1a0aa986f6fa Test for negative # to the nonintegral float power here. Guido van Rossum <guido@python.org> parents: 3984 diff changeset	531 }
3329 67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	532 errno = 0;
5118 002865af55e5 Changes for Lee Busby's SIGFPE patch set. Guido van Rossum <guido@python.org> parents: 4933 diff changeset	533 PyFPE_START_PROTECT("pow", return 0)
3329 67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	534 ix = pow(iv, iw);
5197 74c12704a0bd New form of PyFPE_END_PROTECT macro. Guido van Rossum <guido@python.org> parents: 5118 diff changeset	535 PyFPE_END_PROTECT(ix)
249 bab1f5494b8e Fix special cases in pow() Guido van Rossum <guido@python.org> parents: 239 diff changeset	536 }
496 0ac392b7f76e Explicitly check for weird values after calling pow(). Guido van Rossum <guido@python.org> parents: 470 diff changeset	537 CHECK(ix);
27 82c7bab78bb1 New errors. Guido van Rossum <guido@python.org> parents: 6 diff changeset	538 if (errno != 0) {
82c7bab78bb1 New errors. Guido van Rossum <guido@python.org> parents: 6 diff changeset	539 /* XXX could it be another type of error? */
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	540 PyErr_SetFromErrno(PyExc_OverflowError);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	541 return NULL;
27 82c7bab78bb1 New errors. Guido van Rossum <guido@python.org> parents: 6 diff changeset	542 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	543 if ((PyObject *)z!=Py_None) {
5118 002865af55e5 Changes for Lee Busby's SIGFPE patch set. Guido van Rossum <guido@python.org> parents: 4933 diff changeset	544 PyFPE_START_PROTECT("pow", return 0)
1775 17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	545 ix=fmod(ix, z->ob_fval); /* XXX To Be Rewritten */
17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	546 if ( ix!=0 &&
17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	547 ((iv<0 && z->ob_fval>0) \|\| (iv>0 && z->ob_fval<0) )) {
17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	548 ix+=z->ob_fval;
17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	549 }
5197 74c12704a0bd New form of PyFPE_END_PROTECT macro. Guido van Rossum <guido@python.org> parents: 5118 diff changeset	550 PyFPE_END_PROTECT(ix)
1775 17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	551 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	552 return PyFloat_FromDouble(ix);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	553 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	554
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	555 static PyObject *
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	556 float_neg(PyFloatObject *v)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	557 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	558 return PyFloat_FromDouble(-v->ob_fval);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	559 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	560
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	561 static PyObject *
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	562 float_pos(PyFloatObject *v)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	563 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	564 Py_INCREF(v);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	565 return (PyObject *)v;
227 7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	566 }
7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	567
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	568 static PyObject *
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	569 float_abs(PyFloatObject *v)
227 7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	570 {
7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	571 if (v->ob_fval < 0)
7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	572 return float_neg(v);
7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	573 else
7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	574 return float_pos(v);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	575 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	576
239 fda973f2a512 Added nonzero test Guido van Rossum <guido@python.org> parents: 227 diff changeset	577 static int
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	578 float_nonzero(PyFloatObject *v)
239 fda973f2a512 Added nonzero test Guido van Rossum <guido@python.org> parents: 227 diff changeset	579 {
fda973f2a512 Added nonzero test Guido van Rossum <guido@python.org> parents: 227 diff changeset	580 return v->ob_fval != 0.0;
fda973f2a512 Added nonzero test Guido van Rossum <guido@python.org> parents: 227 diff changeset	581 }
fda973f2a512 Added nonzero test Guido van Rossum <guido@python.org> parents: 227 diff changeset	582
1313 6ee380349c84 * Added gmtime/localtime/mktime and SYSV timezone globals to timemodule.c. Guido van Rossum <guido@python.org> parents: 1271 diff changeset	583 static int
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	584 float_coerce(PyObject pv, PyObject pw)
955 03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	585 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	586 if (PyInt_Check(*pw)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	587 long x = PyInt_AsLong(*pw);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	588 *pw = PyFloat_FromDouble((double)x);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	589 Py_INCREF(*pv);
955 03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	590 return 0;
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	591 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	592 else if (PyLong_Check(*pw)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	593 pw = PyFloat_FromDouble(PyLong_AsDouble(pw));
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	594 Py_INCREF(*pv);
955 03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	595 return 0;
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	596 }
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	597 return 1; /* Can't do it */
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	598 }
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	599
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	600 static PyObject *
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	601 float_int(PyObject *v)
1049 2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	602 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	603 double x = PyFloat_AsDouble(v);
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	604 if (x < 0 ? (x = ceil(x)) < (double)LONG_MIN
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	605 : (x = floor(x)) > (double)LONG_MAX) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	606 PyErr_SetString(PyExc_OverflowError,
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	607 "float too large to convert");
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	608 return NULL;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	609 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	610 return PyInt_FromLong((long)x);
1049 2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	611 }
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	612
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	613 static PyObject *
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	614 float_long(PyObject *v)
1049 2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	615 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	616 double x = PyFloat_AsDouble(v);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	617 return PyLong_FromDouble(x);
1049 2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	618 }
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	619
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	620 static PyObject *
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	621 float_float(PyObject *v)
1049 2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	622 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	623 Py_INCREF(v);
1049 2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	624 return v;
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	625 }
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	626
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	627
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	628 static PyNumberMethods float_as_number = {
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	629 (binaryfunc)float_add, /nb_add/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	630 (binaryfunc)float_sub, /nb_subtract/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	631 (binaryfunc)float_mul, /nb_multiply/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	632 (binaryfunc)float_div, /nb_divide/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	633 (binaryfunc)float_rem, /nb_remainder/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	634 (binaryfunc)float_divmod, /nb_divmod/
1775 17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	635 (ternaryfunc)float_pow, /nb_power/
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	636 (unaryfunc)float_neg, /nb_negative/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	637 (unaryfunc)float_pos, /nb_positive/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	638 (unaryfunc)float_abs, /nb_absolute/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	639 (inquiry)float_nonzero, /nb_nonzero/
405 d3d328680328 Added NULL function pointers for shift and mask ops. Guido van Rossum <guido@python.org> parents: 391 diff changeset	640 0, /nb_invert/
d3d328680328 Added NULL function pointers for shift and mask ops. Guido van Rossum <guido@python.org> parents: 391 diff changeset	641 0, /nb_lshift/
d3d328680328 Added NULL function pointers for shift and mask ops. Guido van Rossum <guido@python.org> parents: 391 diff changeset	642 0, /nb_rshift/
d3d328680328 Added NULL function pointers for shift and mask ops. Guido van Rossum <guido@python.org> parents: 391 diff changeset	643 0, /nb_and/
d3d328680328 Added NULL function pointers for shift and mask ops. Guido van Rossum <guido@python.org> parents: 391 diff changeset	644 0, /nb_xor/
d3d328680328 Added NULL function pointers for shift and mask ops. Guido van Rossum <guido@python.org> parents: 391 diff changeset	645 0, /nb_or/
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	646 (coercion)float_coerce, /nb_coerce/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	647 (unaryfunc)float_int, /nb_int/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	648 (unaryfunc)float_long, /nb_long/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	649 (unaryfunc)float_float, /nb_float/
1049 2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	650 0, /nb_oct/
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	651 0, /nb_hex/
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	652 };
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	653
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	654 PyTypeObject PyFloat_Type = {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	655 PyObject_HEAD_INIT(&PyType_Type)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	656 0,
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	657 "float",
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 5197 diff changeset	658 sizeof(PyFloatObject),
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	659 0,
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	660 (destructor)float_dealloc, /tp_dealloc/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	661 (printfunc)float_print, /tp_print/
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	662 0, /tp_getattr/
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	663 0, /tp_setattr/
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	664 (cmpfunc)float_compare, /tp_compare/
11631 cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	665 (reprfunc)float_repr, /tp_repr/
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	666 &float_as_number, /tp_as_number/
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	667 0, /tp_as_sequence/
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	668 0, /tp_as_mapping/
11631 cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	669 (hashfunc)float_hash, /tp_hash/
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	670 0, /tp_call/
cf7a0f1b7b48 Implement the other easy thing: repr() of a float now uses %.17g, Guido van Rossum <guido@python.org> parents: 11383 diff changeset	671 (reprfunc)float_str, /tp_str/
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	672 };
5936 80d24364b932 Added _Fini() routines to free up some memory Guido van Rossum <guido@python.org> parents: 5504 diff changeset	673
80d24364b932 Added _Fini() routines to free up some memory Guido van Rossum <guido@python.org> parents: 5504 diff changeset	674 void
13454 fcc75a3748f5 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13447 diff changeset	675 PyFloat_Fini(void)
5936 80d24364b932 Added _Fini() routines to free up some memory Guido van Rossum <guido@python.org> parents: 5504 diff changeset	676 {
10391 7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	677 PyFloatObject *p;
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	678 PyFloatBlock list, next;
10382 e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	679 int i;
e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	680 int bc, bf; /* block count, number of freed blocks */
e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	681 int frem, fsum; /* remaining unfreed floats per block, total */
e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	682
e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	683 bc = 0;
e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	684 bf = 0;
e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	685 fsum = 0;
e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	686 list = block_list;
e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	687 block_list = NULL;
10432 1cc5d20d2ed8 Fix a problem with Vladimir's PyFloat_Fini code: clear the free list; if Guido van Rossum <guido@python.org> parents: 10391 diff changeset	688 free_list = NULL;
10382 e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	689 while (list != NULL) {
e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	690 bc++;
e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	691 frem = 0;
10432 1cc5d20d2ed8 Fix a problem with Vladimir's PyFloat_Fini code: clear the free list; if Guido van Rossum <guido@python.org> parents: 10391 diff changeset	692 for (i = 0, p = &list->objects[0];
1cc5d20d2ed8 Fix a problem with Vladimir's PyFloat_Fini code: clear the free list; if Guido van Rossum <guido@python.org> parents: 10391 diff changeset	693 i < N_FLOATOBJECTS;
1cc5d20d2ed8 Fix a problem with Vladimir's PyFloat_Fini code: clear the free list; if Guido van Rossum <guido@python.org> parents: 10391 diff changeset	694 i++, p++) {
10382 e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	695 if (PyFloat_Check(p) && p->ob_refcnt != 0)
e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	696 frem++;
e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	697 }
10391 7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	698 next = list->next;
10382 e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	699 if (frem) {
10391 7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	700 list->next = block_list;
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	701 block_list = list;
10432 1cc5d20d2ed8 Fix a problem with Vladimir's PyFloat_Fini code: clear the free list; if Guido van Rossum <guido@python.org> parents: 10391 diff changeset	702 for (i = 0, p = &list->objects[0];
1cc5d20d2ed8 Fix a problem with Vladimir's PyFloat_Fini code: clear the free list; if Guido van Rossum <guido@python.org> parents: 10391 diff changeset	703 i < N_FLOATOBJECTS;
1cc5d20d2ed8 Fix a problem with Vladimir's PyFloat_Fini code: clear the free list; if Guido van Rossum <guido@python.org> parents: 10391 diff changeset	704 i++, p++) {
1cc5d20d2ed8 Fix a problem with Vladimir's PyFloat_Fini code: clear the free list; if Guido van Rossum <guido@python.org> parents: 10391 diff changeset	705 if (!PyFloat_Check(p) \|\| p->ob_refcnt == 0) {
1cc5d20d2ed8 Fix a problem with Vladimir's PyFloat_Fini code: clear the free list; if Guido van Rossum <guido@python.org> parents: 10391 diff changeset	706 p->ob_type = (struct _typeobject *)
1cc5d20d2ed8 Fix a problem with Vladimir's PyFloat_Fini code: clear the free list; if Guido van Rossum <guido@python.org> parents: 10391 diff changeset	707 free_list;
1cc5d20d2ed8 Fix a problem with Vladimir's PyFloat_Fini code: clear the free list; if Guido van Rossum <guido@python.org> parents: 10391 diff changeset	708 free_list = p;
1cc5d20d2ed8 Fix a problem with Vladimir's PyFloat_Fini code: clear the free list; if Guido van Rossum <guido@python.org> parents: 10391 diff changeset	709 }
1cc5d20d2ed8 Fix a problem with Vladimir's PyFloat_Fini code: clear the free list; if Guido van Rossum <guido@python.org> parents: 10391 diff changeset	710 }
10382 e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	711 }
e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	712 else {
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12248 diff changeset	713 PyMem_FREE(list); /* XXX PyObject_FREE ??? */
10382 e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	714 bf++;
e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	715 }
e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	716 fsum += frem;
10391 7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	717 list = next;
10382 e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	718 }
10391 7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	719 if (!Py_VerboseFlag)
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	720 return;
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	721 fprintf(stderr, "# cleanup floats");
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	722 if (!fsum) {
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	723 fprintf(stderr, "\n");
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	724 }
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	725 else {
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	726 fprintf(stderr,
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	727 ": %d unfreed float%s in %d out of %d block%s\n",
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	728 fsum, fsum == 1 ? "" : "s",
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	729 bc - bf, bc, bc == 1 ? "" : "s");
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	730 }
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	731 if (Py_VerboseFlag > 1) {
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	732 list = block_list;
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	733 while (list != NULL) {
10432 1cc5d20d2ed8 Fix a problem with Vladimir's PyFloat_Fini code: clear the free list; if Guido van Rossum <guido@python.org> parents: 10391 diff changeset	734 for (i = 0, p = &list->objects[0];
1cc5d20d2ed8 Fix a problem with Vladimir's PyFloat_Fini code: clear the free list; if Guido van Rossum <guido@python.org> parents: 10391 diff changeset	735 i < N_FLOATOBJECTS;
1cc5d20d2ed8 Fix a problem with Vladimir's PyFloat_Fini code: clear the free list; if Guido van Rossum <guido@python.org> parents: 10391 diff changeset	736 i++, p++) {
10391 7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	737 if (PyFloat_Check(p) && p->ob_refcnt != 0) {
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	738 char buf[100];
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	739 PyFloat_AsString(buf, p);
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	740 fprintf(stderr,
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 13141 diff changeset	741 "# <float at %p, refcnt=%d, val=%s>\n",
ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 13141 diff changeset	742 p, p->ob_refcnt, buf);
10391 7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	743 }
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	744 }
7b810aa35b5c Vladimir has restructured his code somewhat so that the blocks are now Guido van Rossum <guido@python.org> parents: 10382 diff changeset	745 list = list->next;
10382 e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	746 }
e2a08a81e56f OK, try again. Vladimir gave me a fix for the alignment bus error, Guido van Rossum <guido@python.org> parents: 10375 diff changeset	747 }
5936 80d24364b932 Added _Fini() routines to free up some memory Guido van Rossum <guido@python.org> parents: 5504 diff changeset	748 }

Mercurial > cpython-lru_cache-weakref

annotate Objects/floatobject.c @ 13778:f6e4a9dd67cd legacy-trunk