1 | /* GCC Quad-Precision Math Library
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2 | Copyright (C) 2010-2019 Free Software Foundation, Inc.
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3 | Written by Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
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4 |
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5 | This file is part of the libquadmath library.
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6 | Libquadmath is free software; you can redistribute it and/or
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7 | modify it under the terms of the GNU Library General Public
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8 | License as published by the Free Software Foundation; either
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9 | version 2 of the License, or (at your option) any later version.
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10 |
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11 | Libquadmath is distributed in the hope that it will be useful,
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12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | Library General Public License for more details.
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15 |
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16 | You should have received a copy of the GNU Library General Public
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17 | License along with libquadmath; see the file COPYING.LIB. If
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18 | not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
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19 | Boston, MA 02110-1301, USA. */
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20 |
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21 | #ifndef QUADMATH_H
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22 | #define QUADMATH_H
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23 |
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24 | #include <stdlib.h>
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25 |
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26 | #ifdef __cplusplus
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27 | extern "C" {
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28 | #endif
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29 |
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30 | /* Define the complex type corresponding to __float128
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31 | ("_Complex __float128" is not allowed) */
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32 | #if (!defined(_ARCH_PPC)) || defined(__LONG_DOUBLE_IEEE128__)
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33 | typedef _Complex float __attribute__((mode(TC))) __complex128;
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34 | #else
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35 | typedef _Complex float __attribute__((mode(KC))) __complex128;
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36 | #endif
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37 |
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38 | #ifdef __cplusplus
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39 | # define __quadmath_throw throw ()
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40 | # define __quadmath_nth(fct) fct throw ()
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41 | #else
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42 | # define __quadmath_throw __attribute__((__nothrow__))
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43 | # define __quadmath_nth(fct) __attribute__((__nothrow__)) fct
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44 | #endif
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45 |
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46 | /* Prototypes for real functions */
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47 | extern __float128 acosq (__float128) __quadmath_throw;
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48 | extern __float128 acoshq (__float128) __quadmath_throw;
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49 | extern __float128 asinq (__float128) __quadmath_throw;
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50 | extern __float128 asinhq (__float128) __quadmath_throw;
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51 | extern __float128 atanq (__float128) __quadmath_throw;
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52 | extern __float128 atanhq (__float128) __quadmath_throw;
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53 | extern __float128 atan2q (__float128, __float128) __quadmath_throw;
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54 | extern __float128 cbrtq (__float128) __quadmath_throw;
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55 | extern __float128 ceilq (__float128) __quadmath_throw;
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56 | extern __float128 copysignq (__float128, __float128) __quadmath_throw;
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57 | extern __float128 coshq (__float128) __quadmath_throw;
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58 | extern __float128 cosq (__float128) __quadmath_throw;
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59 | extern __float128 erfq (__float128) __quadmath_throw;
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60 | extern __float128 erfcq (__float128) __quadmath_throw;
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61 | extern __float128 exp2q (__float128) __quadmath_throw;
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62 | extern __float128 expq (__float128) __quadmath_throw;
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63 | extern __float128 expm1q (__float128) __quadmath_throw;
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64 | extern __float128 fabsq (__float128) __quadmath_throw;
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65 | extern __float128 fdimq (__float128, __float128) __quadmath_throw;
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66 | extern int finiteq (__float128) __quadmath_throw;
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67 | extern __float128 floorq (__float128) __quadmath_throw;
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68 | extern __float128 fmaq (__float128, __float128, __float128) __quadmath_throw;
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69 | extern __float128 fmaxq (__float128, __float128) __quadmath_throw;
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70 | extern __float128 fminq (__float128, __float128) __quadmath_throw;
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71 | extern __float128 fmodq (__float128, __float128) __quadmath_throw;
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72 | extern __float128 frexpq (__float128, int *) __quadmath_throw;
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73 | extern __float128 hypotq (__float128, __float128) __quadmath_throw;
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74 | extern int isinfq (__float128) __quadmath_throw;
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75 | extern int ilogbq (__float128) __quadmath_throw;
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76 | extern int isnanq (__float128) __quadmath_throw;
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77 | extern int issignalingq (__float128) __quadmath_throw;
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78 | extern __float128 j0q (__float128) __quadmath_throw;
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79 | extern __float128 j1q (__float128) __quadmath_throw;
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80 | extern __float128 jnq (int, __float128) __quadmath_throw;
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81 | extern __float128 ldexpq (__float128, int) __quadmath_throw;
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82 | extern __float128 lgammaq (__float128) __quadmath_throw;
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83 | extern long long int llrintq (__float128) __quadmath_throw;
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84 | extern long long int llroundq (__float128) __quadmath_throw;
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85 | extern __float128 logbq (__float128) __quadmath_throw;
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86 | extern __float128 logq (__float128) __quadmath_throw;
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87 | extern __float128 log10q (__float128) __quadmath_throw;
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88 | extern __float128 log2q (__float128) __quadmath_throw;
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89 | extern __float128 log1pq (__float128) __quadmath_throw;
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90 | extern long int lrintq (__float128) __quadmath_throw;
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91 | extern long int lroundq (__float128) __quadmath_throw;
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92 | extern __float128 modfq (__float128, __float128 *) __quadmath_throw;
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93 | extern __float128 nanq (const char *) __quadmath_throw;
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94 | extern __float128 nearbyintq (__float128) __quadmath_throw;
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95 | extern __float128 nextafterq (__float128, __float128) __quadmath_throw;
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96 | extern __float128 powq (__float128, __float128) __quadmath_throw;
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97 | extern __float128 remainderq (__float128, __float128) __quadmath_throw;
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98 | extern __float128 remquoq (__float128, __float128, int *) __quadmath_throw;
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99 | extern __float128 rintq (__float128) __quadmath_throw;
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100 | extern __float128 roundq (__float128) __quadmath_throw;
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101 | extern __float128 scalblnq (__float128, long int) __quadmath_throw;
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102 | extern __float128 scalbnq (__float128, int) __quadmath_throw;
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103 | extern int signbitq (__float128) __quadmath_throw;
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104 | extern void sincosq (__float128, __float128 *, __float128 *) __quadmath_throw;
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105 | extern __float128 sinhq (__float128) __quadmath_throw;
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106 | extern __float128 sinq (__float128) __quadmath_throw;
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107 | extern __float128 sqrtq (__float128) __quadmath_throw;
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108 | extern __float128 tanq (__float128) __quadmath_throw;
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109 | extern __float128 tanhq (__float128) __quadmath_throw;
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110 | extern __float128 tgammaq (__float128) __quadmath_throw;
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111 | extern __float128 truncq (__float128) __quadmath_throw;
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112 | extern __float128 y0q (__float128) __quadmath_throw;
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113 | extern __float128 y1q (__float128) __quadmath_throw;
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114 | extern __float128 ynq (int, __float128) __quadmath_throw;
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115 |
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116 |
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117 | /* Prototypes for complex functions */
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118 | extern __float128 cabsq (__complex128) __quadmath_throw;
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119 | extern __float128 cargq (__complex128) __quadmath_throw;
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120 | extern __float128 cimagq (__complex128) __quadmath_throw;
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121 | extern __float128 crealq (__complex128) __quadmath_throw;
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122 | extern __complex128 cacosq (__complex128) __quadmath_throw;
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123 | extern __complex128 cacoshq (__complex128) __quadmath_throw;
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124 | extern __complex128 casinq (__complex128) __quadmath_throw;
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125 | extern __complex128 casinhq (__complex128) __quadmath_throw;
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126 | extern __complex128 catanq (__complex128) __quadmath_throw;
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127 | extern __complex128 catanhq (__complex128) __quadmath_throw;
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128 | extern __complex128 ccosq (__complex128) __quadmath_throw;
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129 | extern __complex128 ccoshq (__complex128) __quadmath_throw;
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130 | extern __complex128 cexpq (__complex128) __quadmath_throw;
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131 | extern __complex128 cexpiq (__float128) __quadmath_throw;
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132 | extern __complex128 clogq (__complex128) __quadmath_throw;
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133 | extern __complex128 clog10q (__complex128) __quadmath_throw;
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134 | extern __complex128 conjq (__complex128) __quadmath_throw;
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135 | extern __complex128 cpowq (__complex128, __complex128) __quadmath_throw;
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136 | extern __complex128 cprojq (__complex128) __quadmath_throw;
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137 | extern __complex128 csinq (__complex128) __quadmath_throw;
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138 | extern __complex128 csinhq (__complex128) __quadmath_throw;
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139 | extern __complex128 csqrtq (__complex128) __quadmath_throw;
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140 | extern __complex128 ctanq (__complex128) __quadmath_throw;
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141 | extern __complex128 ctanhq (__complex128) __quadmath_throw;
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142 |
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143 |
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144 | /* Prototypes for string <-> __float128 conversion functions */
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145 | extern __float128 strtoflt128 (const char *, char **) __quadmath_throw;
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146 | extern int quadmath_snprintf (char *str, size_t size,
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147 | const char *format, ...) __quadmath_throw;
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148 |
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149 |
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150 | /* Macros */
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151 | #define FLT128_MAX 1.18973149535723176508575932662800702e4932Q
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152 | #define FLT128_MIN 3.36210314311209350626267781732175260e-4932Q
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153 | #define FLT128_EPSILON 1.92592994438723585305597794258492732e-34Q
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154 | #define FLT128_DENORM_MIN 6.475175119438025110924438958227646552e-4966Q
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155 | #define FLT128_MANT_DIG 113
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156 | #define FLT128_MIN_EXP (-16381)
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157 | #define FLT128_MAX_EXP 16384
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158 | #define FLT128_DIG 33
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159 | #define FLT128_MIN_10_EXP (-4931)
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160 | #define FLT128_MAX_10_EXP 4932
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161 |
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162 |
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163 | #define HUGE_VALQ __builtin_huge_valq()
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164 | /* The following alternative is valid, but brings the warning:
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165 | (floating constant exceeds range of ‘__float128’) */
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166 | /* #define HUGE_VALQ (__extension__ 0x1.0p32767Q) */
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167 |
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168 | #define M_Eq 2.718281828459045235360287471352662498Q /* e */
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169 | #define M_LOG2Eq 1.442695040888963407359924681001892137Q /* log_2 e */
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170 | #define M_LOG10Eq 0.434294481903251827651128918916605082Q /* log_10 e */
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171 | #define M_LN2q 0.693147180559945309417232121458176568Q /* log_e 2 */
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172 | #define M_LN10q 2.302585092994045684017991454684364208Q /* log_e 10 */
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173 | #define M_PIq 3.141592653589793238462643383279502884Q /* pi */
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174 | #define M_PI_2q 1.570796326794896619231321691639751442Q /* pi/2 */
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175 | #define M_PI_4q 0.785398163397448309615660845819875721Q /* pi/4 */
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176 | #define M_1_PIq 0.318309886183790671537767526745028724Q /* 1/pi */
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177 | #define M_2_PIq 0.636619772367581343075535053490057448Q /* 2/pi */
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178 | #define M_2_SQRTPIq 1.128379167095512573896158903121545172Q /* 2/sqrt(pi) */
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179 | #define M_SQRT2q 1.414213562373095048801688724209698079Q /* sqrt(2) */
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180 | #define M_SQRT1_2q 0.707106781186547524400844362104849039Q /* 1/sqrt(2) */
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181 |
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182 | #define __quadmath_extern_inline \
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183 | extern inline __attribute__ ((__gnu_inline__))
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184 |
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185 | __quadmath_extern_inline __float128
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186 | __quadmath_nth (cimagq (__complex128 __z))
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187 | {
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188 | return __imag__ __z;
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189 | }
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190 |
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191 | __quadmath_extern_inline __float128
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192 | __quadmath_nth (crealq (__complex128 __z))
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193 | {
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194 | return __real__ __z;
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195 | }
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196 |
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197 | __quadmath_extern_inline __complex128
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198 | __quadmath_nth (conjq (__complex128 __z))
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199 | {
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200 | return __extension__ ~__z;
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201 | }
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202 |
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203 | #ifdef __cplusplus
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204 | }
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205 | #endif
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206 |
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207 | #endif
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