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

annotate Objects/floatobject.c @ 3930:52c19ee83a6b legacy-trunk

Guido's 1.4b2 fixes: Py_GetProgramName, Py_GetPrefix and Py_GetExecPrefix.

author	Jack Jansen <jack.jansen@cwi.nl>
date	Fri, 02 Aug 1996 15:16:16 +0000
parents	17030515f623
children	0613f17dcfd8

rev	line source
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	1 /***********************************************************
2059 866c81068dbd Added 1995 to copyright message. Guido van Rossum <guido@python.org> parents: 2053 diff changeset	2 Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
866c81068dbd Added 1995 to copyright message. Guido van Rossum <guido@python.org> parents: 2053 diff changeset	3 The Netherlands.
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	4
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	5 All Rights Reserved
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	6
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	7 Permission to use, copy, modify, and distribute this software and its
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	8 documentation for any purpose and without fee is hereby granted,
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	9 provided that the above copyright notice appear in all copies and that
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	10 both that copyright notice and this permission notice appear in
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	11 supporting documentation, and that the names of Stichting Mathematisch
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	12 Centrum or CWI not be used in advertising or publicity pertaining to
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	13 distribution of the software without specific, written prior permission.
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	14
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	15 STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	16 THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	17 FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	18 FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	19 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	20 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	21 OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	22
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	23 ******************************************************************/
853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 91 diff changeset	24
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	25 /* Float object implementation */
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	26
27 82c7bab78bb1 New errors. Guido van Rossum <guido@python.org> parents: 6 diff changeset	27 /* 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	28 for any kind of float exception without losing portability. */
82c7bab78bb1 New errors. Guido van Rossum <guido@python.org> parents: 6 diff changeset	29
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 60 diff changeset	30 #include "allobjects.h"
1252 c4cd0d9d8281 * Changed many files to use mkvalue() instead of newtupleobject(). Guido van Rossum <guido@python.org> parents: 1049 diff changeset	31 #include "modsupport.h"
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	32
91 5c357d37b327 Added <errno.h> Guido van Rossum <guido@python.org> parents: 86 diff changeset	33 #include <errno.h>
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 60 diff changeset	34 #include <ctype.h>
2433 6cbd2830b5a2 for MPW __SC__ compiler Guido van Rossum <guido@python.org> parents: 2327 diff changeset	35 #include "mymath.h"
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	36
1271 2919b448e385 * Microscopic corrections to make things compile on the Cray APP. Guido van Rossum <guido@python.org> parents: 1257 diff changeset	37 #ifdef i860
2919b448e385 * Microscopic corrections to make things compile on the Cray APP. Guido van Rossum <guido@python.org> parents: 1257 diff changeset	38 /* 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	39 #undef HUGE_VAL
2919b448e385 * Microscopic corrections to make things compile on the Cray APP. Guido van Rossum <guido@python.org> parents: 1257 diff changeset	40 #endif
2919b448e385 * Microscopic corrections to make things compile on the Cray APP. Guido van Rossum <guido@python.org> parents: 1257 diff changeset	41
3704 17030515f623 Different logic for defining CHECK(); 16-bit MSC specific define. Guido van Rossum <guido@python.org> parents: 3608 diff changeset	42 #if defined(_MSC_VER) && _MSC_VER < 850
17030515f623 Different logic for defining CHECK(); 16-bit MSC specific define. Guido van Rossum <guido@python.org> parents: 3608 diff changeset	43 #define CHECK(x) /* errno is always set VC++ Ver 1.5*/
17030515f623 Different logic for defining CHECK(); 16-bit MSC specific define. Guido van Rossum <guido@python.org> parents: 3608 diff changeset	44 #endif
17030515f623 Different logic for defining CHECK(); 16-bit MSC specific define. Guido van Rossum <guido@python.org> parents: 3608 diff changeset	45
17030515f623 Different logic for defining CHECK(); 16-bit MSC specific define. Guido van Rossum <guido@python.org> parents: 3608 diff changeset	46 #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	47 #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	48 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	49 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	50 #endif
17030515f623 Different logic for defining CHECK(); 16-bit MSC specific define. Guido van Rossum <guido@python.org> parents: 3608 diff changeset	51
17030515f623 Different logic for defining CHECK(); 16-bit MSC specific define. Guido van Rossum <guido@python.org> parents: 3608 diff changeset	52 #ifndef CHECK
496 0ac392b7f76e Explicitly check for weird values after calling pow(). Guido van Rossum <guido@python.org> parents: 470 diff changeset	53 #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	54 #endif
0ac392b7f76e Explicitly check for weird values after calling pow(). Guido van Rossum <guido@python.org> parents: 470 diff changeset	55
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	56 #ifdef HAVE_LIMITS_H
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	57 #include <limits.h>
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	58 #endif
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	59
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	60 #ifndef LONG_MAX
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	61 #define LONG_MAX 0X7FFFFFFFL
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	62 #endif
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	63
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	64 #ifndef LONG_MIN
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	65 #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	66 #endif
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	67
2327 43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	68 #ifdef __NeXT__
43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	69 #ifdef __sparc__
43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	70 /*
43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	71 * 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	72 * limits.h header file.
43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	73 * 10-Feb-1995 bwarsaw@cnri.reston.va.us
43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	74 */
43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	75 #undef LONG_MIN
43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	76 #define LONG_MIN (-LONG_MAX-1)
43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	77 #endif
43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	78 #endif
43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	79
2433 6cbd2830b5a2 for MPW __SC__ compiler Guido van Rossum <guido@python.org> parents: 2327 diff changeset	80 #if !defined(__STDC__) && !defined(macintosh)
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	81 extern double fmod PROTO((double, double));
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	82 extern double pow PROTO((double, double));
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	83 #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	84
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	85 object *
2433 6cbd2830b5a2 for MPW __SC__ compiler Guido van Rossum <guido@python.org> parents: 2327 diff changeset	86 #ifdef __SC__
6cbd2830b5a2 for MPW __SC__ compiler Guido van Rossum <guido@python.org> parents: 2327 diff changeset	87 newfloatobject(double fval)
6cbd2830b5a2 for MPW __SC__ compiler Guido van Rossum <guido@python.org> parents: 2327 diff changeset	88 #else
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	89 newfloatobject(fval)
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	90 double fval;
2433 6cbd2830b5a2 for MPW __SC__ compiler Guido van Rossum <guido@python.org> parents: 2327 diff changeset	91 #endif
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	92 {
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	93 /* For efficiency, this code is copied from newobject() */
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	94 register floatobject op = (floatobject ) malloc(sizeof(floatobject));
27 82c7bab78bb1 New errors. Guido van Rossum <guido@python.org> parents: 6 diff changeset	95 if (op == NULL)
82c7bab78bb1 New errors. Guido van Rossum <guido@python.org> parents: 6 diff changeset	96 return err_nomem();
82c7bab78bb1 New errors. Guido van Rossum <guido@python.org> parents: 6 diff changeset	97 op->ob_type = &Floattype;
82c7bab78bb1 New errors. Guido van Rossum <guido@python.org> parents: 6 diff changeset	98 op->ob_fval = fval;
1347 a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects, Sjoerd Mullender <sjoerd@acm.org> parents: 1319 diff changeset	99 NEWREF(op);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	100 return (object *) op;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	101 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	102
1313 6ee380349c84 * Added gmtime/localtime/mktime and SYSV timezone globals to timemodule.c. Guido van Rossum <guido@python.org> parents: 1271 diff changeset	103 static void
745 c7b23cc8cded answer lint's complaints Guido van Rossum <guido@python.org> parents: 632 diff changeset	104 float_dealloc(op)
c7b23cc8cded answer lint's complaints Guido van Rossum <guido@python.org> parents: 632 diff changeset	105 object *op;
c7b23cc8cded answer lint's complaints Guido van Rossum <guido@python.org> parents: 632 diff changeset	106 {
c7b23cc8cded answer lint's complaints Guido van Rossum <guido@python.org> parents: 632 diff changeset	107 DEL(op);
c7b23cc8cded answer lint's complaints Guido van Rossum <guido@python.org> parents: 632 diff changeset	108 }
c7b23cc8cded answer lint's complaints Guido van Rossum <guido@python.org> parents: 632 diff changeset	109
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	110 double
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	111 getfloatvalue(op)
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	112 object *op;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	113 {
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	114 number_methods *nb;
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	115 floatobject *fo;
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	116 double val;
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	117
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	118 if (op && is_floatobject(op))
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	119 return GETFLOATVALUE((floatobject*) op);
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	120
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	121 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	122 nb->nb_float == NULL) {
27 82c7bab78bb1 New errors. Guido van Rossum <guido@python.org> parents: 6 diff changeset	123 err_badarg();
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	124 return -1;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	125 }
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	126
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	127 fo = (floatobject) (nb->nb_float) (op);
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	128 if (fo == NULL)
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	129 return -1;
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	130 if (!is_floatobject(fo)) {
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	131 err_setstr(TypeError, "nb_float should return float object");
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	132 return -1;
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	133 }
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	134
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	135 val = GETFLOATVALUE(fo);
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	136 DECREF(fo);
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	137
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	138 return val;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	139 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	140
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	141 /* Methods */
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	142
268 0fe2471166f0 Export float_buf_repr() interface, for marshalling of floats. Guido van Rossum <guido@python.org> parents: 249 diff changeset	143 void
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	144 float_buf_repr(buf, v)
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	145 char *buf;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	146 floatobject *v;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	147 {
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	148 register char *cp;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	149 /* Subroutine for float_repr and float_print.
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	150 We want float numbers to be recognizable as such,
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	151 i.e., they should contain a decimal point or an exponent.
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	152 However, %g may print the number as an integer;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	153 in such cases, we append ".0" to the string. */
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	154 sprintf(buf, "%.12g", v->ob_fval);
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	155 cp = buf;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	156 if (*cp == '-')
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	157 cp++;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	158 for (; *cp != '\0'; cp++) {
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	159 /* Any non-digit means it's not an integer;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	160 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	161 if (!isdigit(Py_CHARMASK(*cp)))
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	162 break;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	163 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	164 if (*cp == '\0') {
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	165 *cp++ = '.';
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	166 *cp++ = '0';
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	167 *cp++ = '\0';
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	168 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	169 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	170
745 c7b23cc8cded answer lint's complaints Guido van Rossum <guido@python.org> parents: 632 diff changeset	171 /* ARGSUSED */
284 6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 268 diff changeset	172 static int
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	173 float_print(v, fp, flags)
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	174 floatobject *v;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	175 FILE *fp;
745 c7b23cc8cded answer lint's complaints Guido van Rossum <guido@python.org> parents: 632 diff changeset	176 int flags; /* Not used but required by interface */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	177 {
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	178 char buf[100];
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	179 float_buf_repr(buf, v);
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	180 fputs(buf, fp);
284 6ac402023cac printobject now returns an error code Guido van Rossum <guido@python.org> parents: 268 diff changeset	181 return 0;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	182 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	183
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	184 static object *
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	185 float_repr(v)
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	186 floatobject *v;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	187 {
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	188 char buf[100];
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	189 float_buf_repr(buf, v);
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	190 return newstringobject(buf);
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	191 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	192
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	193 static int
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	194 float_compare(v, w)
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	195 floatobject v, w;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	196 {
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	197 double i = v->ob_fval;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	198 double j = w->ob_fval;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	199 return (i < j) ? -1 : (i > j) ? 1 : 0;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	200 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	201
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	202 static long
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	203 float_hash(v)
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	204 floatobject *v;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	205 {
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	206 double intpart, fractpart;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	207 int expo;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	208 long x;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	209 /* 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	210 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	211 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	212
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	213 #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	214 {
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	215 extended e;
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	216 fractpart = modf(v->ob_fval, &e);
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	217 intpart = e;
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	218 }
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	219 #else
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	220 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	221 #endif
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	222
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	223 if (fractpart == 0.0) {
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	224 if (intpart > 0x7fffffffL \|\| -intpart > 0x7fffffffL) {
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	225 /* Convert to long int and use its hash... */
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	226 object *w = dnewlongobject(v->ob_fval);
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	227 if (w == NULL)
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	228 return -1;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	229 x = hashobject(w);
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	230 DECREF(w);
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	231 return x;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	232 }
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	233 x = (long)intpart;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	234 }
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	235 else {
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	236 fractpart = frexp(fractpart, &expo);
2059 866c81068dbd Added 1995 to copyright message. Guido van Rossum <guido@python.org> parents: 2053 diff changeset	237 fractpart = fractpart2147483648.0; / 2*31 /
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	238 x = (long) (intpart + fractpart) ^ expo; /* Rather arbitrary */
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	239 }
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	240 if (x == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	241 x = -2;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	242 return x;
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	243 }
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 1252 diff changeset	244
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	245 static object *
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	246 float_add(v, w)
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	247 floatobject *v;
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	248 floatobject *w;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	249 {
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	250 return newfloatobject(v->ob_fval + w->ob_fval);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	251 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	252
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	253 static object *
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	254 float_sub(v, w)
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	255 floatobject *v;
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	256 floatobject *w;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	257 {
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	258 return newfloatobject(v->ob_fval - w->ob_fval);
6 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
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	261 static object *
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	262 float_mul(v, w)
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	263 floatobject *v;
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	264 floatobject *w;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	265 {
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	266 return newfloatobject(v->ob_fval * w->ob_fval);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	267 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	268
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	269 static object *
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	270 float_div(v, w)
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	271 floatobject *v;
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	272 floatobject *w;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	273 {
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	274 if (w->ob_fval == 0) {
470 a1025cbba30d Formulate better error strings. Guido van Rossum <guido@python.org> parents: 405 diff changeset	275 err_setstr(ZeroDivisionError, "float division");
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	276 return NULL;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	277 }
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	278 return newfloatobject(v->ob_fval / w->ob_fval);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	279 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	280
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	281 static object *
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	282 float_rem(v, w)
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	283 floatobject *v;
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	284 floatobject *w;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	285 {
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	286 double vx, wx;
745 c7b23cc8cded answer lint's complaints Guido van Rossum <guido@python.org> parents: 632 diff changeset	287 double /* div, */ mod;
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	288 wx = w->ob_fval;
0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	289 if (wx == 0.0) {
0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	290 err_setstr(ZeroDivisionError, "float modulo");
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	291 return NULL;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	292 }
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	293 vx = v->ob_fval;
0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	294 mod = fmod(vx, wx);
745 c7b23cc8cded answer lint's complaints Guido van Rossum <guido@python.org> parents: 632 diff changeset	295 /* div = (vx - mod) / wx; */
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	296 if (wx*mod < 0) {
0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	297 mod += wx;
745 c7b23cc8cded answer lint's complaints Guido van Rossum <guido@python.org> parents: 632 diff changeset	298 /* div -= 1.0; */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	299 }
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	300 return newfloatobject(mod);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	301 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	302
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	303 static object *
227 7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	304 float_divmod(v, w)
7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	305 floatobject *v;
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	306 floatobject *w;
227 7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	307 {
391 caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	308 double vx, wx;
caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	309 double div, mod;
632 0c1938f2e0c0 Get rid of redundant type checks. Guido van Rossum <guido@python.org> parents: 496 diff changeset	310 wx = w->ob_fval;
391 caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	311 if (wx == 0.0) {
470 a1025cbba30d Formulate better error strings. Guido van Rossum <guido@python.org> parents: 405 diff changeset	312 err_setstr(ZeroDivisionError, "float divmod()");
391 caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	313 return NULL;
caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	314 }
caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	315 vx = v->ob_fval;
caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	316 mod = fmod(vx, wx);
caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	317 div = (vx - mod) / wx;
caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	318 if (wx*mod < 0) {
caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	319 mod += wx;
caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	320 div -= 1.0;
caf8466dcc9c Finally implemented divmod(). Guido van Rossum <guido@python.org> parents: 284 diff changeset	321 }
1252 c4cd0d9d8281 * Changed many files to use mkvalue() instead of newtupleobject(). Guido van Rossum <guido@python.org> parents: 1049 diff changeset	322 return mkvalue("(dd)", div, mod);
227 7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	323 }
7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	324
3608 8573e65fa948 make some things static Guido van Rossum <guido@python.org> parents: 3329 diff changeset	325 static double powu(x, n)
3329 67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	326 double x;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	327 long n;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	328 {
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	329 double r = 1.;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	330 double p = x;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	331 long mask = 1;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	332 while (mask > 0 && n >= mask) {
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	333 if (n & mask)
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	334 r *= p;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	335 mask <<= 1;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	336 p *= p;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	337 }
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	338 return r;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	339 }
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	340
3608 8573e65fa948 make some things static Guido van Rossum <guido@python.org> parents: 3329 diff changeset	341 static double powi(x, n)
3329 67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	342 double x;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	343 long n;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	344 {
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	345 if (n > 10000 \|\| n < -10000)
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	346 return pow(x, (double) n);
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	347 else if (n > 0)
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	348 return powu(x, n);
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	349 else
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	350 return 1./powu(x, -n);
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	351 }
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	352
227 7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	353 static object *
1775 17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	354 float_pow(v, w, z)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	355 floatobject *v;
3329 67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	356 object *w;
1775 17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	357 floatobject *z;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	358 {
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	359 double iv, iw, ix;
3329 67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	360 long intw;
1775 17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	361 /* 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	362 * 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	363 * 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	364 * [AMK]
17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	365 */
3329 67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	366 iv = v->ob_fval;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	367 iw = ((floatobject *)w)->ob_fval;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	368 intw = (long)iw;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	369 if (iw == intw) {
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	370 errno = 0;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	371 ix = powi(iv, intw);
1775 17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	372 }
3329 67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	373 else {
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	374 /* Sort out special cases here instead of relying on pow() */
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	375 if (iw == 0.0) { /* x0 is 1, even 00 */
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	376 if ((object *)z!=None) {
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	377 ix=fmod(1.0, z->ob_fval);
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	378 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	379 }
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	380 else ix=1.0;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	381 return newfloatobject(ix);
249 bab1f5494b8e Fix special cases in pow() Guido van Rossum <guido@python.org> parents: 239 diff changeset	382 }
3329 67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	383 if (iv == 0.0) {
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	384 if (iw < 0.0) {
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	385 err_setstr(ValueError, "0.0 to a negative power");
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	386 return NULL;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	387 }
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	388 return newfloatobject(0.0);
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	389 }
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	390 errno = 0;
67d347c32fff better power implementation Guido van Rossum <guido@python.org> parents: 2433 diff changeset	391 ix = pow(iv, iw);
249 bab1f5494b8e Fix special cases in pow() Guido van Rossum <guido@python.org> parents: 239 diff changeset	392 }
496 0ac392b7f76e Explicitly check for weird values after calling pow(). Guido van Rossum <guido@python.org> parents: 470 diff changeset	393 CHECK(ix);
27 82c7bab78bb1 New errors. Guido van Rossum <guido@python.org> parents: 6 diff changeset	394 if (errno != 0) {
82c7bab78bb1 New errors. Guido van Rossum <guido@python.org> parents: 6 diff changeset	395 /* XXX could it be another type of error? */
82c7bab78bb1 New errors. Guido van Rossum <guido@python.org> parents: 6 diff changeset	396 err_errno(OverflowError);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	397 return NULL;
27 82c7bab78bb1 New errors. Guido van Rossum <guido@python.org> parents: 6 diff changeset	398 }
1775 17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	399 if ((object *)z!=None) {
17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	400 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	401 if ( ix!=0 &&
17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	402 ((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	403 ix+=z->ob_fval;
17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	404 }
17c80a952914 New patches by Andrew to fix various problems Guido van Rossum <guido@python.org> parents: 1746 diff changeset	405 }
27 82c7bab78bb1 New errors. Guido van Rossum <guido@python.org> parents: 6 diff changeset	406 return newfloatobject(ix);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	407 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	408
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	409 static object *
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	410 float_neg(v)
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	411 floatobject *v;
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 return newfloatobject(-v->ob_fval);
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	414 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	415
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	416 static object *
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	417 float_pos(v)
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	418 floatobject *v;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	419 {
227 7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	420 INCREF(v);
7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	421 return (object *)v;
7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	422 }
7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	423
7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	424 static object *
7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	425 float_abs(v)
7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	426 floatobject *v;
7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	427 {
7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	428 if (v->ob_fval < 0)
7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	429 return float_neg(v);
7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	430 else
7ec6058b539b Added (dummy) divmod and (functional) abs. Guido van Rossum <guido@python.org> parents: 145 diff changeset	431 return float_pos(v);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	432 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	433
239 fda973f2a512 Added nonzero test Guido van Rossum <guido@python.org> parents: 227 diff changeset	434 static int
fda973f2a512 Added nonzero test Guido van Rossum <guido@python.org> parents: 227 diff changeset	435 float_nonzero(v)
fda973f2a512 Added nonzero test Guido van Rossum <guido@python.org> parents: 227 diff changeset	436 floatobject *v;
fda973f2a512 Added nonzero test Guido van Rossum <guido@python.org> parents: 227 diff changeset	437 {
fda973f2a512 Added nonzero test Guido van Rossum <guido@python.org> parents: 227 diff changeset	438 return v->ob_fval != 0.0;
fda973f2a512 Added nonzero test Guido van Rossum <guido@python.org> parents: 227 diff changeset	439 }
fda973f2a512 Added nonzero test Guido van Rossum <guido@python.org> parents: 227 diff changeset	440
1313 6ee380349c84 * Added gmtime/localtime/mktime and SYSV timezone globals to timemodule.c. Guido van Rossum <guido@python.org> parents: 1271 diff changeset	441 static int
955 03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	442 float_coerce(pv, pw)
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	443 object **pv;
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	444 object **pw;
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	445 {
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	446 if (is_intobject(*pw)) {
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	447 long x = getintvalue(*pw);
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	448 *pw = newfloatobject((double)x);
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	449 INCREF(*pv);
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	450 return 0;
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	451 }
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	452 else if (is_longobject(*pw)) {
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	453 pw = newfloatobject(dgetlongvalue(pw));
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	454 INCREF(*pv);
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	455 return 0;
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	456 }
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	457 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	458 }
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c: Guido van Rossum <guido@python.org> parents: 795 diff changeset	459
1049 2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	460 static object *
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	461 float_int(v)
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	462 object *v;
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	463 {
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	464 double x = getfloatvalue(v);
1908 0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	465 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	466 : (x = floor(x)) > (double)LONG_MAX) {
2327 43f9e7549c70 NeXT/Sparc 3.3 fix Guido van Rossum <guido@python.org> parents: 2308 diff changeset	467 err_setstr(OverflowError, "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	468 return NULL;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c: Guido van Rossum <guido@python.org> parents: 1775 diff changeset	469 }
1049 2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	470 return newintobject((long)x);
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	471 }
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	472
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	473 static object *
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	474 float_long(v)
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	475 object *v;
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	476 {
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	477 double x = getfloatvalue(v);
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	478 return dnewlongobject(x);
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	479 }
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	480
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	481 static object *
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	482 float_float(v)
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	483 object *v;
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	484 {
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	485 INCREF(v);
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	486 return v;
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	487 }
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	488
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	489
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	490 static number_methods float_as_number = {
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	491 (binaryfunc)float_add, /nb_add/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	492 (binaryfunc)float_sub, /nb_subtract/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	493 (binaryfunc)float_mul, /nb_multiply/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	494 (binaryfunc)float_div, /nb_divide/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	495 (binaryfunc)float_rem, /nb_remainder/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	496 (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	497 (ternaryfunc)float_pow, /nb_power/
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	498 (unaryfunc)float_neg, /nb_negative/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	499 (unaryfunc)float_pos, /nb_positive/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	500 (unaryfunc)float_abs, /nb_absolute/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	501 (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	502 0, /nb_invert/
d3d328680328 Added NULL function pointers for shift and mask ops. Guido van Rossum <guido@python.org> parents: 391 diff changeset	503 0, /nb_lshift/
d3d328680328 Added NULL function pointers for shift and mask ops. Guido van Rossum <guido@python.org> parents: 391 diff changeset	504 0, /nb_rshift/
d3d328680328 Added NULL function pointers for shift and mask ops. Guido van Rossum <guido@python.org> parents: 391 diff changeset	505 0, /nb_and/
d3d328680328 Added NULL function pointers for shift and mask ops. Guido van Rossum <guido@python.org> parents: 391 diff changeset	506 0, /nb_xor/
d3d328680328 Added NULL function pointers for shift and mask ops. Guido van Rossum <guido@python.org> parents: 391 diff changeset	507 0, /nb_or/
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	508 (coercion)float_coerce, /nb_coerce/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	509 (unaryfunc)float_int, /nb_int/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	510 (unaryfunc)float_long, /nb_long/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	511 (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	512 0, /nb_oct/
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic. Guido van Rossum <guido@python.org> parents: 955 diff changeset	513 0, /nb_hex/
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	514 };
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	515
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	516 typeobject Floattype = {
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	517 OB_HEAD_INIT(&Typetype)
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	518 0,
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	519 "float",
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	520 sizeof(floatobject),
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	521 0,
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	522 (destructor)float_dealloc, /tp_dealloc/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	523 (printfunc)float_print, /tp_print/
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	524 0, /tp_getattr/
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	525 0, /tp_setattr/
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	526 (cmpfunc)float_compare, /tp_compare/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	527 (reprfunc)float_repr, /tp_repr/
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	528 &float_as_number, /tp_as_number/
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	529 0, /tp_as_sequence/
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	530 0, /tp_as_mapping/
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1347 diff changeset	531 (hashfunc)float_hash, /tp_hash/
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	532 };

Mercurial > cpython-lru_cache-weakref

annotate Objects/floatobject.c @ 3930:52c19ee83a6b legacy-trunk