1 /* GCC Quad-Precision Math Library 2 Copyright (C) 2010, 2011 Free Software Foundation, Inc. 3 Written by Francois-Xavier Coudert <fxcoudert (at) gcc.gnu.org> 4 5 This file is part of the libquadmath library. 6 Libquadmath is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Library General Public 8 License as published by the Free Software Foundation; either 9 version 2 of the License, or (at your option) any later version. 10 11 Libquadmath is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Library General Public License for more details. 15 16 You should have received a copy of the GNU Library General Public 17 License along with libquadmath; see the file COPYING.LIB. If 18 not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, 19 Boston, MA 02110-1301, USA. */ 20 21 #ifndef QUADMATH_H 22 #define QUADMATH_H 23 24 #include <stdlib.h> 25 26 #ifdef __cplusplus 27 extern "C" { 28 #endif 29 30 /* Define the complex type corresponding to __float128 31 ("_Complex __float128" is not allowed) */ 32 typedef _Complex float __attribute__((mode(TC))) __complex128; 33 34 #ifdef __cplusplus 35 # define __quadmath_throw throw () 36 # define __quadmath_nth(fct) fct throw () 37 #else 38 # define __quadmath_throw __attribute__((__nothrow__)) 39 # define __quadmath_nth(fct) __attribute__((__nothrow__)) fct 40 #endif 41 42 /* Prototypes for real functions */ 43 extern __float128 acosq (__float128) __quadmath_throw; 44 extern __float128 acoshq (__float128) __quadmath_throw; 45 extern __float128 asinq (__float128) __quadmath_throw; 46 extern __float128 asinhq (__float128) __quadmath_throw; 47 extern __float128 atanq (__float128) __quadmath_throw; 48 extern __float128 atanhq (__float128) __quadmath_throw; 49 extern __float128 atan2q (__float128, __float128) __quadmath_throw; 50 extern __float128 cbrtq (__float128) __quadmath_throw; 51 extern __float128 ceilq (__float128) __quadmath_throw; 52 extern __float128 copysignq (__float128, __float128) __quadmath_throw; 53 extern __float128 coshq (__float128) __quadmath_throw; 54 extern __float128 cosq (__float128) __quadmath_throw; 55 extern __float128 erfq (__float128) __quadmath_throw; 56 extern __float128 erfcq (__float128) __quadmath_throw; 57 extern __float128 expq (__float128) __quadmath_throw; 58 extern __float128 expm1q (__float128) __quadmath_throw; 59 extern __float128 fabsq (__float128) __quadmath_throw; 60 extern __float128 fdimq (__float128, __float128) __quadmath_throw; 61 extern int finiteq (__float128) __quadmath_throw; 62 extern __float128 floorq (__float128) __quadmath_throw; 63 extern __float128 fmaq (__float128, __float128, __float128) __quadmath_throw; 64 extern __float128 fmaxq (__float128, __float128) __quadmath_throw; 65 extern __float128 fminq (__float128, __float128) __quadmath_throw; 66 extern __float128 fmodq (__float128, __float128) __quadmath_throw; 67 extern __float128 frexpq (__float128, int *) __quadmath_throw; 68 extern __float128 hypotq (__float128, __float128) __quadmath_throw; 69 extern int isinfq (__float128) __quadmath_throw; 70 extern int ilogbq (__float128) __quadmath_throw; 71 extern int isnanq (__float128) __quadmath_throw; 72 extern __float128 j0q (__float128) __quadmath_throw; 73 extern __float128 j1q (__float128) __quadmath_throw; 74 extern __float128 jnq (int, __float128) __quadmath_throw; 75 extern __float128 ldexpq (__float128, int) __quadmath_throw; 76 extern __float128 lgammaq (__float128) __quadmath_throw; 77 extern long long int llrintq (__float128) __quadmath_throw; 78 extern long long int llroundq (__float128) __quadmath_throw; 79 extern __float128 logq (__float128) __quadmath_throw; 80 extern __float128 log10q (__float128) __quadmath_throw; 81 extern __float128 log2q (__float128) __quadmath_throw; 82 extern __float128 log1pq (__float128) __quadmath_throw; 83 extern long int lrintq (__float128) __quadmath_throw; 84 extern long int lroundq (__float128) __quadmath_throw; 85 extern __float128 modfq (__float128, __float128 *) __quadmath_throw; 86 extern __float128 nanq (const char *) __quadmath_throw; 87 extern __float128 nearbyintq (__float128) __quadmath_throw; 88 extern __float128 nextafterq (__float128, __float128) __quadmath_throw; 89 extern __float128 powq (__float128, __float128) __quadmath_throw; 90 extern __float128 remainderq (__float128, __float128) __quadmath_throw; 91 extern __float128 remquoq (__float128, __float128, int *) __quadmath_throw; 92 extern __float128 rintq (__float128) __quadmath_throw; 93 extern __float128 roundq (__float128) __quadmath_throw; 94 extern __float128 scalblnq (__float128, long int) __quadmath_throw; 95 extern __float128 scalbnq (__float128, int) __quadmath_throw; 96 extern int signbitq (__float128) __quadmath_throw; 97 extern void sincosq (__float128, __float128 *, __float128 *) __quadmath_throw; 98 extern __float128 sinhq (__float128) __quadmath_throw; 99 extern __float128 sinq (__float128) __quadmath_throw; 100 extern __float128 sqrtq (__float128) __quadmath_throw; 101 extern __float128 tanq (__float128) __quadmath_throw; 102 extern __float128 tanhq (__float128) __quadmath_throw; 103 extern __float128 tgammaq (__float128) __quadmath_throw; 104 extern __float128 truncq (__float128) __quadmath_throw; 105 extern __float128 y0q (__float128) __quadmath_throw; 106 extern __float128 y1q (__float128) __quadmath_throw; 107 extern __float128 ynq (int, __float128) __quadmath_throw; 108 109 110 /* Prototypes for complex functions */ 111 extern __float128 cabsq (__complex128) __quadmath_throw; 112 extern __float128 cargq (__complex128) __quadmath_throw; 113 extern __float128 cimagq (__complex128) __quadmath_throw; 114 extern __float128 crealq (__complex128) __quadmath_throw; 115 extern __complex128 cacosq (__complex128) __quadmath_throw; 116 extern __complex128 cacoshq (__complex128) __quadmath_throw; 117 extern __complex128 casinq (__complex128) __quadmath_throw; 118 extern __complex128 casinhq (__complex128) __quadmath_throw; 119 extern __complex128 catanq (__complex128) __quadmath_throw; 120 extern __complex128 catanhq (__complex128) __quadmath_throw; 121 extern __complex128 ccosq (__complex128) __quadmath_throw; 122 extern __complex128 ccoshq (__complex128) __quadmath_throw; 123 extern __complex128 cexpq (__complex128) __quadmath_throw; 124 extern __complex128 cexpiq (__float128) __quadmath_throw; 125 extern __complex128 clogq (__complex128) __quadmath_throw; 126 extern __complex128 clog10q (__complex128) __quadmath_throw; 127 extern __complex128 conjq (__complex128) __quadmath_throw; 128 extern __complex128 cpowq (__complex128, __complex128) __quadmath_throw; 129 extern __complex128 cprojq (__complex128) __quadmath_throw; 130 extern __complex128 csinq (__complex128) __quadmath_throw; 131 extern __complex128 csinhq (__complex128) __quadmath_throw; 132 extern __complex128 csqrtq (__complex128) __quadmath_throw; 133 extern __complex128 ctanq (__complex128) __quadmath_throw; 134 extern __complex128 ctanhq (__complex128) __quadmath_throw; 135 136 137 /* Prototypes for string <-> __float128 conversion functions */ 138 extern __float128 strtoflt128 (const char *, char **) __quadmath_throw; 139 extern int quadmath_snprintf (char *str, size_t size, 140 const char *format, ...) __quadmath_throw; 141 142 143 /* Macros */ 144 #define FLT128_MAX 1.18973149535723176508575932662800702e4932Q 145 #define FLT128_MIN 3.36210314311209350626267781732175260e-4932Q 146 #define FLT128_EPSILON 1.92592994438723585305597794258492732e-34Q 147 #define FLT128_DENORM_MIN 6.475175119438025110924438958227646552e-4966Q 148 #define FLT128_MANT_DIG 113 149 #define FLT128_MIN_EXP (-16381) 150 #define FLT128_MAX_EXP 16384 151 #define FLT128_DIG 33 152 #define FLT128_MIN_10_EXP (-4931) 153 #define FLT128_MAX_10_EXP 4932 154 155 156 #define HUGE_VALQ __builtin_huge_valq() 157 /* The following alternative is valid, but brings the warning: 158 (floating constant exceeds range of __float128) */ 159 /* #define HUGE_VALQ (__extension__ 0x1.0p32767Q) */ 160 161 #define M_Eq 2.7182818284590452353602874713526625Q /* e */ 162 #define M_LOG2Eq 1.4426950408889634073599246810018921Q /* log_2 e */ 163 #define M_LOG10Eq 0.4342944819032518276511289189166051Q /* log_10 e */ 164 #define M_LN2q 0.6931471805599453094172321214581766Q /* log_e 2 */ 165 #define M_LN10q 2.3025850929940456840179914546843642Q /* log_e 10 */ 166 #define M_PIq 3.1415926535897932384626433832795029Q /* pi */ 167 #define M_PI_2q 1.5707963267948966192313216916397514Q /* pi/2 */ 168 #define M_PI_4q 0.7853981633974483096156608458198757Q /* pi/4 */ 169 #define M_1_PIq 0.3183098861837906715377675267450287Q /* 1/pi */ 170 #define M_2_PIq 0.6366197723675813430755350534900574Q /* 2/pi */ 171 #define M_2_SQRTPIq 1.1283791670955125738961589031215452Q /* 2/sqrt(pi) */ 172 #define M_SQRT2q 1.4142135623730950488016887242096981Q /* sqrt(2) */ 173 #define M_SQRT1_2q 0.7071067811865475244008443621048490Q /* 1/sqrt(2) */ 174 175 #define __quadmath_extern_inline \ 176 extern inline __attribute__ ((__gnu_inline__)) 177 178 __quadmath_extern_inline __float128 179 __quadmath_nth (cimagq (__complex128 __z)) 180 { 181 return __imag__ __z; 182 } 183 184 __quadmath_extern_inline __float128 185 __quadmath_nth (crealq (__complex128 __z)) 186 { 187 return __real__ __z; 188 } 189 190 __quadmath_extern_inline __complex128 191 __quadmath_nth (conjq (__complex128 __z)) 192 { 193 return __extension__ ~__z; 194 } 195 196 #ifdef __cplusplus 197 } 198 #endif 199 200 #endif 201
