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annotate Objects/floatobject.c @ 2059:866c81068dbd legacy-trunk

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Added 1995 to copyright message. floatobject.c: fix hash(). methodobject.c: support METH_FREENAME flag bit.
author Guido van Rossum <guido@python.org>
date Wed, 04 Jan 1995 19:07:38 +0000
parents de49d49044d7
children cfbab79a799f
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1 /***********************************************************
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2 Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
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3 The Netherlands.
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4
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5 All Rights Reserved
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6
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7 Permission to use, copy, modify, and distribute this software and its
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8 documentation for any purpose and without fee is hereby granted,
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9 provided that the above copyright notice appear in all copies and that
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10 both that copyright notice and this permission notice appear in
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11 supporting documentation, and that the names of Stichting Mathematisch
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12 Centrum or CWI not be used in advertising or publicity pertaining to
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13 distribution of the software without specific, written prior permission.
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14
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15 STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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16 THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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17 FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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18 FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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19 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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20 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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21 OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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22
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23 ******************************************************************/
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24
6
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25 /* Float object implementation */
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26
27
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27 /* XXX There should be overflow checks here, but it's hard to check
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28 for any kind of float exception without losing portability. */
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29
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30 #include "allobjects.h"
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31 #include "modsupport.h"
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32
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33 #include <errno.h>
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34 #include <ctype.h>
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35 #include <math.h>
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36
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37 #ifdef i860
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38 /* Cray APP has bogus definition of HUGE_VAL in <math.h> */
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39 #undef HUGE_VAL
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40 #endif
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41
496
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42 #ifdef HUGE_VAL
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43 #define CHECK(x) if (errno != 0) ; \
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44 else if (-HUGE_VAL <= (x) && (x) <= HUGE_VAL) ; \
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45 else errno = ERANGE
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46 #else
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47 #define CHECK(x) /* Don't know how to check */
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48 #endif
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49
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50 #ifdef HAVE_LIMITS_H
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51 #include <limits.h>
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52 #endif
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53
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54 #ifndef LONG_MAX
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55 #define LONG_MAX 0X7FFFFFFFL
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56 #endif
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57
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58 #ifndef LONG_MIN
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59 #define LONG_MIN (-LONG_MAX-1)
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60 #endif
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61
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62 #ifndef macintosh
60
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63 extern double fmod PROTO((double, double));
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64 extern double pow PROTO((double, double));
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65 #endif
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66
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67 object *
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68 newfloatobject(fval)
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69 double fval;
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70 {
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71 /* For efficiency, this code is copied from newobject() */
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72 register floatobject *op = (floatobject *) malloc(sizeof(floatobject));
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73 if (op == NULL)
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74 return err_nomem();
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75 op->ob_type = &Floattype;
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76 op->ob_fval = fval;
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77 NEWREF(op);
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78 return (object *) op;
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79 }
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80
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81 static void
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82 float_dealloc(op)
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83 object *op;
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84 {
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85 DEL(op);
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86 }
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87
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88 double
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89 getfloatvalue(op)
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90 object *op;
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91 {
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92 number_methods *nb;
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93 floatobject *fo;
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94 double val;
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95
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96 if (op && is_floatobject(op))
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97 return GETFLOATVALUE((floatobject*) op);
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98
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99 if (op == NULL || (nb = op->ob_type->tp_as_number) == NULL ||
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100 nb->nb_float == NULL) {
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101 err_badarg();
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102 return -1;
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103 }
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104
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105 fo = (floatobject*) (*nb->nb_float) (op);
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106 if (fo == NULL)
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107 return -1;
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108 if (!is_floatobject(fo)) {
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109 err_setstr(TypeError, "nb_float should return float object");
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110 return -1;
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111 }
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112
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113 val = GETFLOATVALUE(fo);
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114 DECREF(fo);
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115
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116 return val;
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117 }
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118
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119 /* Methods */
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120
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121 void
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122 float_buf_repr(buf, v)
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123 char *buf;
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124 floatobject *v;
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125 {
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126 register char *cp;
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127 /* Subroutine for float_repr and float_print.
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128 We want float numbers to be recognizable as such,
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129 i.e., they should contain a decimal point or an exponent.
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130 However, %g may print the number as an integer;
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131 in such cases, we append ".0" to the string. */
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132 sprintf(buf, "%.12g", v->ob_fval);
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133 cp = buf;
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134 if (*cp == '-')
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135 cp++;
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136 for (; *cp != '\0'; cp++) {
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137 /* Any non-digit means it's not an integer;
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138 this takes care of NAN and INF as well. */
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139 if (!isdigit(*cp))
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140 break;
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141 }
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142 if (*cp == '\0') {
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143 *cp++ = '.';
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144 *cp++ = '0';
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145 *cp++ = '\0';
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146 }
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147 }
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148
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149 /* ARGSUSED */
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150 static int
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151 float_print(v, fp, flags)
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152 floatobject *v;
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153 FILE *fp;
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154 int flags; /* Not used but required by interface */
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155 {
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156 char buf[100];
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157 float_buf_repr(buf, v);
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158 fputs(buf, fp);
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159 return 0;
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160 }
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161
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162 static object *
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163 float_repr(v)
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164 floatobject *v;
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165 {
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166 char buf[100];
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167 float_buf_repr(buf, v);
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168 return newstringobject(buf);
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169 }
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170
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171 static int
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172 float_compare(v, w)
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173 floatobject *v, *w;
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174 {
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175 double i = v->ob_fval;
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176 double j = w->ob_fval;
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177 return (i < j) ? -1 : (i > j) ? 1 : 0;
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178 }
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179
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180 static long
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181 float_hash(v)
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182 floatobject *v;
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183 {
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184 double intpart, fractpart;
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185 int expo;
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186 long x;
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187 /* This is designed so that Python numbers with the same
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188 value hash to the same value, otherwise comparisons
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189 of mapping keys will turn out weird */
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190
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191 #ifdef MPW /* MPW C modf expects pointer to extended as second argument */
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192 {
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193 extended e;
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194 fractpart = modf(v->ob_fval, &e);
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195 intpart = e;
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196 }
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197 #else
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198 fractpart = modf(v->ob_fval, &intpart);
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199 #endif
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200
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201 if (fractpart == 0.0) {
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202 if (intpart > 0x7fffffffL || -intpart > 0x7fffffffL) {
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203 /* Convert to long int and use its hash... */
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204 object *w = dnewlongobject(v->ob_fval);
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205 if (w == NULL)
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206 return -1;
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207 x = hashobject(w);
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208 DECREF(w);
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209 return x;
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210 }
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211 x = (long)intpart;
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212 }
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213 else {
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214 fractpart = frexp(fractpart, &expo);
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215 fractpart = fractpart*2147483648.0; /* 2**31 */
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216 x = (long) (intpart + fractpart) ^ expo; /* Rather arbitrary */
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217 }
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218 if (x == -1)
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219 x = -2;
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220 return x;
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221 }
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222
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223 static object *
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224 float_add(v, w)
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225 floatobject *v;
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226 floatobject *w;
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227 {
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228 return newfloatobject(v->ob_fval + w->ob_fval);
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229 }
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230
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231 static object *
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232 float_sub(v, w)
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233 floatobject *v;
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234 floatobject *w;
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235 {
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236 return newfloatobject(v->ob_fval - w->ob_fval);
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237 }
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238
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239 static object *
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240 float_mul(v, w)
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241 floatobject *v;
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242 floatobject *w;
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243 {
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244 return newfloatobject(v->ob_fval * w->ob_fval);
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245 }
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246
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247 static object *
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248 float_div(v, w)
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249 floatobject *v;
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250 floatobject *w;
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251 {
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252 if (w->ob_fval == 0) {
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253 err_setstr(ZeroDivisionError, "float division");
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254 return NULL;
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255 }
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256 return newfloatobject(v->ob_fval / w->ob_fval);
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257 }
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258
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259 static object *
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260 float_rem(v, w)
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261 floatobject *v;
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262 floatobject *w;
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263 {
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264 double vx, wx;
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265 double /* div, */ mod;
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266 wx = w->ob_fval;
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267 if (wx == 0.0) {
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268 err_setstr(ZeroDivisionError, "float modulo");
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269 return NULL;
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270 }
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271 vx = v->ob_fval;
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272 mod = fmod(vx, wx);
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273 /* div = (vx - mod) / wx; */
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274 if (wx*mod < 0) {
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275 mod += wx;
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276 /* div -= 1.0; */
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277 }
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278 return newfloatobject(mod);
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279 }
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280
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281 static object *
227
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282 float_divmod(v, w)
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283 floatobject *v;
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284 floatobject *w;
227
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285 {
391
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286 double vx, wx;
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287 double div, mod;
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288 wx = w->ob_fval;
391
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289 if (wx == 0.0) {
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290 err_setstr(ZeroDivisionError, "float divmod()");
391
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291 return NULL;
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292 }
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293 vx = v->ob_fval;
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294 mod = fmod(vx, wx);
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295 div = (vx - mod) / wx;
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296 if (wx*mod < 0) {
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297 mod += wx;
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298 div -= 1.0;
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299 }
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300 return mkvalue("(dd)", div, mod);
227
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301 }
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302
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303 static object *
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304 float_pow(v, w, z)
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305 floatobject *v;
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306 floatobject *w;
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307 floatobject *z;
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308 {
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309 double iv, iw, ix;
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310 iv = v->ob_fval;
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311 iw = w->ob_fval;
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312 /* XXX Doesn't handle overflows if z!=None yet; it may never do so :(
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313 * 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
314 * long integers. Maybe something clever with logarithms could be done.
17c80a952914 New patches by Andrew to fix various problems
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parents: 1746
diff changeset
315 * [AMK]
17c80a952914 New patches by Andrew to fix various problems
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parents: 1746
diff changeset
316 */
249
bab1f5494b8e Fix special cases in pow()
Guido van Rossum <guido@python.org>
parents: 239
diff changeset
317 /* Sort out special cases here instead of relying on pow() */
1775
17c80a952914 New patches by Andrew to fix various problems
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parents: 1746
diff changeset
318 if (iw == 0.0) { /* x**0 is 1, even 0**0 */
17c80a952914 New patches by Andrew to fix various problems
Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
319 if ((object *)z!=None) {
17c80a952914 New patches by Andrew to fix various problems
Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
320 ix=fmod(1.0, z->ob_fval);
17c80a952914 New patches by Andrew to fix various problems
Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
321 if (ix!=0 && z->ob_fval<0) ix+=z->ob_fval;
17c80a952914 New patches by Andrew to fix various problems
Guido van Rossum <guido@python.org>
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diff changeset
322 }
17c80a952914 New patches by Andrew to fix various problems
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parents: 1746
diff changeset
323 else ix=1.0;
17c80a952914 New patches by Andrew to fix various problems
Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
324 return newfloatobject(ix);
17c80a952914 New patches by Andrew to fix various problems
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parents: 1746
diff changeset
325 }
249
bab1f5494b8e Fix special cases in pow()
Guido van Rossum <guido@python.org>
parents: 239
diff changeset
326 if (iv == 0.0) {
bab1f5494b8e Fix special cases in pow()
Guido van Rossum <guido@python.org>
parents: 239
diff changeset
327 if (iw < 0.0) {
1775
17c80a952914 New patches by Andrew to fix various problems
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parents: 1746
diff changeset
328 err_setstr(ValueError, "0.0 to a negative power");
249
bab1f5494b8e Fix special cases in pow()
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parents: 239
diff changeset
329 return NULL;
bab1f5494b8e Fix special cases in pow()
Guido van Rossum <guido@python.org>
parents: 239
diff changeset
330 }
bab1f5494b8e Fix special cases in pow()
Guido van Rossum <guido@python.org>
parents: 239
diff changeset
331 return newfloatobject(0.0);
bab1f5494b8e Fix special cases in pow()
Guido van Rossum <guido@python.org>
parents: 239
diff changeset
332 }
bab1f5494b8e Fix special cases in pow()
Guido van Rossum <guido@python.org>
parents: 239
diff changeset
333 if (iv < 0.0) {
470
a1025cbba30d Formulate better error strings.
Guido van Rossum <guido@python.org>
parents: 405
diff changeset
334 err_setstr(ValueError, "negative float to float power");
249
bab1f5494b8e Fix special cases in pow()
Guido van Rossum <guido@python.org>
parents: 239
diff changeset
335 return NULL;
bab1f5494b8e Fix special cases in pow()
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parents: 239
diff changeset
336 }
6
fc6fcd7df4f7 Initial revision
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parents:
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337 errno = 0;
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
338 ix = pow(iv, iw);
496
0ac392b7f76e Explicitly check for weird values after calling pow().
Guido van Rossum <guido@python.org>
parents: 470
diff changeset
339 CHECK(ix);
27
82c7bab78bb1 New errors.
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parents: 6
diff changeset
340 if (errno != 0) {
82c7bab78bb1 New errors.
Guido van Rossum <guido@python.org>
parents: 6
diff changeset
341 /* XXX could it be another type of error? */
82c7bab78bb1 New errors.
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parents: 6
diff changeset
342 err_errno(OverflowError);
6
fc6fcd7df4f7 Initial revision
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parents:
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343 return NULL;
27
82c7bab78bb1 New errors.
Guido van Rossum <guido@python.org>
parents: 6
diff changeset
344 }
1775
17c80a952914 New patches by Andrew to fix various problems
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parents: 1746
diff changeset
345 if ((object *)z!=None) {
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Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
346 ix=fmod(ix, z->ob_fval); /* XXX To Be Rewritten */
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parents: 1746
diff changeset
347 if ( ix!=0 &&
17c80a952914 New patches by Andrew to fix various problems
Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
348 ((iv<0 && z->ob_fval>0) || (iv>0 && z->ob_fval<0) )) {
17c80a952914 New patches by Andrew to fix various problems
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parents: 1746
diff changeset
349 ix+=z->ob_fval;
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Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
350 }
17c80a952914 New patches by Andrew to fix various problems
Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
351 }
27
82c7bab78bb1 New errors.
Guido van Rossum <guido@python.org>
parents: 6
diff changeset
352 return newfloatobject(ix);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
353 }
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
354
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
355 static object *
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
356 float_neg(v)
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
357 floatobject *v;
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 return newfloatobject(-v->ob_fval);
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
360 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
361
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
362 static object *
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
363 float_pos(v)
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
364 floatobject *v;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
365 {
227
7ec6058b539b Added (dummy) divmod and (functional) abs.
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
366 INCREF(v);
7ec6058b539b Added (dummy) divmod and (functional) abs.
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
367 return (object *)v;
7ec6058b539b Added (dummy) divmod and (functional) abs.
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
368 }
7ec6058b539b Added (dummy) divmod and (functional) abs.
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
369
7ec6058b539b Added (dummy) divmod and (functional) abs.
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
370 static object *
7ec6058b539b Added (dummy) divmod and (functional) abs.
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
371 float_abs(v)
7ec6058b539b Added (dummy) divmod and (functional) abs.
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
372 floatobject *v;
7ec6058b539b Added (dummy) divmod and (functional) abs.
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
373 {
7ec6058b539b Added (dummy) divmod and (functional) abs.
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
374 if (v->ob_fval < 0)
7ec6058b539b Added (dummy) divmod and (functional) abs.
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
375 return float_neg(v);
7ec6058b539b Added (dummy) divmod and (functional) abs.
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
376 else
7ec6058b539b Added (dummy) divmod and (functional) abs.
Guido van Rossum <guido@python.org>
parents: 145
diff changeset
377 return float_pos(v);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
378 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
379
239
fda973f2a512 Added nonzero test
Guido van Rossum <guido@python.org>
parents: 227
diff changeset
380 static int
fda973f2a512 Added nonzero test
Guido van Rossum <guido@python.org>
parents: 227
diff changeset
381 float_nonzero(v)
fda973f2a512 Added nonzero test
Guido van Rossum <guido@python.org>
parents: 227
diff changeset
382 floatobject *v;
fda973f2a512 Added nonzero test
Guido van Rossum <guido@python.org>
parents: 227
diff changeset
383 {
fda973f2a512 Added nonzero test
Guido van Rossum <guido@python.org>
parents: 227
diff changeset
384 return v->ob_fval != 0.0;
fda973f2a512 Added nonzero test
Guido van Rossum <guido@python.org>
parents: 227
diff changeset
385 }
fda973f2a512 Added nonzero test
Guido van Rossum <guido@python.org>
parents: 227
diff changeset
386
1313
6ee380349c84 * Added gmtime/localtime/mktime and SYSV timezone globals to timemodule.c.
Guido van Rossum <guido@python.org>
parents: 1271
diff changeset
387 static int
955
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c:
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
388 float_coerce(pv, pw)
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c:
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
389 object **pv;
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c:
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
390 object **pw;
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c:
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
391 {
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c:
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
392 if (is_intobject(*pw)) {
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c:
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
393 long x = getintvalue(*pw);
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c:
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
394 *pw = newfloatobject((double)x);
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c:
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
395 INCREF(*pv);
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c:
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
396 return 0;
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c:
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
397 }
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c:
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
398 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
399 *pw = newfloatobject(dgetlongvalue(*pw));
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c:
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
400 INCREF(*pv);
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c:
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
401 return 0;
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c:
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
402 }
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c:
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
403 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
404 }
03de67080c95 * classobject.[ch], {float,long,int}object.c, bltinmodule.c:
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
405
1049
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
406 static object *
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
407 float_int(v)
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
408 object *v;
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
409 {
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
410 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
411 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
412 : (x = floor(x)) > (double)LONG_MAX) {
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1775
diff changeset
413 err_setstr(OverflowError, "float to large to convert");
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1775
diff changeset
414 return NULL;
0437738279a8 * Include/classobject.h, Objects/classobject.c, Python/ceval.c:
Guido van Rossum <guido@python.org>
parents: 1775
diff changeset
415 }
1049
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
416 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
417 }
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
418
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
419 static object *
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
420 float_long(v)
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
421 object *v;
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
422 {
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
423 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
424 return dnewlongobject(x);
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
425 }
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
426
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
427 static object *
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
428 float_float(v)
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
429 object *v;
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
430 {
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
431 INCREF(v);
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
432 return v;
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
433 }
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
434
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
435
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
436 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
437 (binaryfunc)float_add, /*nb_add*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1347
diff changeset
438 (binaryfunc)float_sub, /*nb_subtract*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1347
diff changeset
439 (binaryfunc)float_mul, /*nb_multiply*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1347
diff changeset
440 (binaryfunc)float_div, /*nb_divide*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1347
diff changeset
441 (binaryfunc)float_rem, /*nb_remainder*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1347
diff changeset
442 (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
443 (ternaryfunc)float_pow, /*nb_power*/
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1347
diff changeset
444 (unaryfunc)float_neg, /*nb_negative*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1347
diff changeset
445 (unaryfunc)float_pos, /*nb_positive*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1347
diff changeset
446 (unaryfunc)float_abs, /*nb_absolute*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1347
diff changeset
447 (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
448 0, /*nb_invert*/
d3d328680328 Added NULL function pointers for shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 391
diff changeset
449 0, /*nb_lshift*/
d3d328680328 Added NULL function pointers for shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 391
diff changeset
450 0, /*nb_rshift*/
d3d328680328 Added NULL function pointers for shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 391
diff changeset
451 0, /*nb_and*/
d3d328680328 Added NULL function pointers for shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 391
diff changeset
452 0, /*nb_xor*/
d3d328680328 Added NULL function pointers for shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 391
diff changeset
453 0, /*nb_or*/
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1347
diff changeset
454 (coercion)float_coerce, /*nb_coerce*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1347
diff changeset
455 (unaryfunc)float_int, /*nb_int*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1347
diff changeset
456 (unaryfunc)float_long, /*nb_long*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1347
diff changeset
457 (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
458 0, /*nb_oct*/
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459 0, /*nb_hex*/
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460 };
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461
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462 typeobject Floattype = {
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463 OB_HEAD_INIT(&Typetype)
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464 0,
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465 "float",
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466 sizeof(floatobject),
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467 0,
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468 (destructor)float_dealloc, /*tp_dealloc*/
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469 (printfunc)float_print, /*tp_print*/
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470 0, /*tp_getattr*/
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471 0, /*tp_setattr*/
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472 (cmpfunc)float_compare, /*tp_compare*/
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473 (reprfunc)float_repr, /*tp_repr*/
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474 &float_as_number, /*tp_as_number*/
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475 0, /*tp_as_sequence*/
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476 0, /*tp_as_mapping*/
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477 (hashfunc)float_hash, /*tp_hash*/
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478 };