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annotate lphobos/std/c/math.d @ 883:b52d5de7783f

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GC defines and linkage changes.
author Christian Kamm <kamm incasoftware de>
date Thu, 08 Jan 2009 18:20:02 +0100
parents c53b6e3fe49a
children
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1
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1
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2 /**
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3 * C's &lt;math.h&gt;
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4 * Authors: Walter Bright, Digital Mars, www.digitalmars.com
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5 * License: Public Domain
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6 * Macros:
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7 * WIKI=Phobos/StdCMath
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8 */
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9
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10 module std.c.math;
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11
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12 extern (C):
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13
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14 alias float float_t; ///
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15 alias double double_t; ///
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16
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17 const double HUGE_VAL = double.infinity; ///
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18 const float HUGE_VALF = float.infinity; /// ditto
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19 const real HUGE_VALL = real.infinity; /// ditto
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20
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21 const float INFINITY = float.infinity; ///
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22 const float NAN = float.nan; ///
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23
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24 enum
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25 {
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26 FP_NANS, // extension
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27 FP_NANQ, // extension
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28 FP_INFINITE, ///
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29 FP_NAN = FP_NANQ, ///
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30 FP_NORMAL = 3, ///
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31 FP_SUBNORMAL = 4, ///
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32 FP_ZERO = 5, ///
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33 FP_EMPTY = 6, // extension
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34 FP_UNSUPPORTED = 7, // extension
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35 }
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36
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37 enum
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38 {
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39 FP_FAST_FMA = 0, ///
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40 FP_FAST_FMAF = 0, ///
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41 FP_FAST_FMAL = 0, ///
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42 }
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43
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44 const int FP_ILOGB0 = int.min; ///
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45 const int FP_ILOGBNAN = int.min; ///
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46
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47 const int MATH_ERRNO = 1; ///
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48 const int MATH_ERREXCEPT = 2; ///
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49 const int math_errhandling = MATH_ERRNO | MATH_ERREXCEPT; ///
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50
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51 double acos(double x); ///
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52 float acosf(float x); /// ditto
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53 real acosl(real x); /// ditto
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54
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55 double asin(double x); ///
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56 float asinf(float x); /// ditto
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57 real asinl(real x); /// ditto
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58
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59 double atan(double x); ///
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60 float atanf(float x); /// ditto
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61 real atanl(real x); /// ditto
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62
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63 double atan2(double y, double x); ///
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64 float atan2f(float y, float x); /// ditto
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65 real atan2l(real y, real x); /// ditto
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66
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67 double cos(double x); ///
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68 float cosf(float x); /// ditto
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69 real cosl(real x); /// ditto
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70
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71 double sin(double x); ///
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72 float sinf(float x); /// ditto
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73 real sinl(real x); /// ditto
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74
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75 double tan(double x); ///
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76 float tanf(float x); /// ditto
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77 real tanl(real x); /// ditto
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78
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79 double acosh(double x); ///
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80 float acoshf(float x); /// ditto
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81 real acoshl(real x); /// ditto
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82
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83 double asinh(double x); ///
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84 float asinhf(float x); /// ditto
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85 real asinhl(real x); /// ditto
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86
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87 double atanh(double x); ///
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88 float atanhf(float x); /// ditto
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89 real atanhl(real x); /// ditto
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90
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91 double cosh(double x); ///
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92 float coshf(float x); /// ditto
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93 real coshl(real x); /// ditto
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94
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95 double sinh(double x); ///
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96 float sinhf(float x); /// ditto
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97 real sinhl(real x); /// ditto
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98
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99 double tanh(double x); ///
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100 float tanhf(float x); /// ditto
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101 real tanhl(real x); /// ditto
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102
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103 double exp(double x); ///
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104 float expf(float x); /// ditto
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105 real expl(real x); /// ditto
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106
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107 double exp2(double x); ///
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108 float exp2f(float x); /// ditto
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109 real exp2l(real x); /// ditto
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110
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111 double expm1(double x); ///
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112 float expm1f(float x); /// ditto
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113 real expm1l(real x); /// ditto
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114
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115 double frexp(double value, int *exp); ///
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116 float frexpf(float value, int *exp); /// ditto
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117 real frexpl(real value, int *exp); /// ditto
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118
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119 int ilogb(double x); ///
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120 int ilogbf(float x); /// ditto
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121 int ilogbl(real x); /// ditto
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122
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123 double ldexp(double x, int exp); ///
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124 float ldexpf(float x, int exp); /// ditto
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125 real ldexpl(real x, int exp); /// ditto
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126
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127 double log(double x); ///
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128 float logf(float x); /// ditto
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129 real logl(real x); /// ditto
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130
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131 double log10(double x); ///
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132 float log10f(float x); /// ditto
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133 real log10l(real x); /// ditto
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134
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135 double log1p(double x); ///
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136 float log1pf(float x); /// ditto
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137 real log1pl(real x); /// ditto
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138
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139 double log2(double x); ///
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140 float log2f(float x); /// ditto
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141 real log2l(real x); /// ditto
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142
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143 double logb(double x); ///
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144 float logbf(float x); /// ditto
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145 real logbl(real x); /// ditto
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146
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147 double modf(double value, double *iptr); ///
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148 float modff(float value, float *iptr); /// ditto
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149 real modfl(real value, real *iptr); /// ditto
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150
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151 double scalbn(double x, int n); ///
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152 float scalbnf(float x, int n); /// ditto
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153 real scalbnl(real x, int n); /// ditto
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154
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155 double scalbln(double x, int n); ///
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156 float scalblnf(float x, int n); /// ditto
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157 real scalblnl(real x, int n); /// ditto
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158
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159 double cbrt(double x); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
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160 float cbrtf(float x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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161 real cbrtl(real x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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162
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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163 double fabs(double x); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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164 float fabsf(float x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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165 real fabsl(real x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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166
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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167 double hypot(double x, double y); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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168 float hypotf(float x, float y); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
169 real hypotl(real x, real y); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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170
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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171 double pow(double x, double y); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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172 float powf(float x, float y); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
173 real powl(real x, real y); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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174
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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175 double sqrt(double x); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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176 float sqrtf(float x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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177 real sqrtl(real x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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178
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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179 double erf(double x); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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180 float erff(float x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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181 real erfl(real x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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182
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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183 double erfc(double x); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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184 float erfcf(float x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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185 real erfcl(real x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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186
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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187 double lgamma(double x); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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188 float lgammaf(float x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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189 real lgammal(real x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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190
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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191 double tgamma(double x); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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192 float tgammaf(float x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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193 real tgammal(real x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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194
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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195 double ceil(double x); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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196 float ceilf(float x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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197 real ceill(real x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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198
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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199 double floor(double x); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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200 float floorf(float x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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201 real floorl(real x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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202
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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203 double nearbyint(double x); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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204 float nearbyintf(float x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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205 real nearbyintl(real x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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206
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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207 double rint(double x); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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208 float rintf(float x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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209 real rintl(real x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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210
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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211 int lrint(double x); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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212 int lrintf(float x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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213 int lrintl(real x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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214
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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215 long llrint(double x); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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216 long llrintf(float x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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217 long llrintl(real x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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218
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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219 double round(double x); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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220 float roundf(float x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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221 real roundl(real x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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222
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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223 int lround(double x); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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224 int lroundf(float x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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225 int lroundl(real x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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226
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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227 long llround(double x); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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228 long llroundf(float x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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229 long llroundl(real x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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230
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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231 double trunc(double x); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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232 float truncf(float x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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233 real truncl(real x); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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234
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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235 double fmod(double x, double y); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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236 float fmodf(float x, float y); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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237 real fmodl(real x, real y); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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238
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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239 double remainder(double x, double y); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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240 float remainderf(float x, float y); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
241 real remainderl(real x, real y); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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242
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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243 double remquo(double x, double y, int *quo); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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244 float remquof(float x, float y, int *quo); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
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diff changeset
245 real remquol(real x, real y, int *quo); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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246
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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247 double copysign(double x, double y); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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248 float copysignf(float x, float y); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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249 real copysignl(real x, real y); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
250
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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251 double nan(char *tagp); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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252 float nanf(char *tagp); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
253 real nanl(char *tagp); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
254
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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255 double nextafter(double x, double y); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
256 float nextafterf(float x, float y); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
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diff changeset
257 real nextafterl(real x, real y); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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258
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
259 double nexttoward(double x, real y); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
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diff changeset
260 float nexttowardf(float x, real y); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
261 real nexttowardl(real x, real y); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
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diff changeset
262
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
263 double fdim(double x, double y); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
264 float fdimf(float x, float y); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
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diff changeset
265 real fdiml(real x, real y); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
266
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
267 double fmax(double x, double y); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
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diff changeset
268 float fmaxf(float x, float y); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
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diff changeset
269 real fmaxl(real x, real y); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
270
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
271 double fmin(double x, double y); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
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diff changeset
272 float fminf(float x, float y); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
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diff changeset
273 real fminl(real x, real y); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
274
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
275 double fma(double x, double y, double z); ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
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diff changeset
276 float fmaf(float x, float y, float z); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
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diff changeset
277 real fmal(real x, real y, real z); /// ditto
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
278
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
279 ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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280 int isgreater(real x, real y) { return !(x !> y); }
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
281 ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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282 int isgreaterequal(real x, real y) { return !(x !>= y); }
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
283 ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
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284 int isless(real x, real y) { return !(x !< y); }
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
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diff changeset
285 ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
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286 int islessequal(real x, real y) { return !(x !<= y); }
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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diff changeset
287 ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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288 int islessgreater(real x, real y) { return !(x !<> y); }
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
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289 ///
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
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290 int isunordered(real x, real y) { return (x !<>= y); }
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
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diff changeset
291