| 1 | /* GCC Quad-Precision Math Library
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| 2 | Copyright (C) 2010, 2011 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 | typedef _Complex float __attribute__((mode(TC))) __complex128;
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| 33 |
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| 34 | #ifdef __cplusplus
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| 35 | # define __quadmath_throw throw ()
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| 36 | # define __quadmath_nth(fct) fct throw ()
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| 37 | #else
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| 38 | # define __quadmath_throw __attribute__((__nothrow__))
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| 39 | # define __quadmath_nth(fct) __attribute__((__nothrow__)) fct
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| 40 | #endif
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| 41 |
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| 42 | /* Prototypes for real functions */
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| 43 | extern __float128 acosq (__float128) __quadmath_throw;
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| 44 | extern __float128 acoshq (__float128) __quadmath_throw;
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| 45 | extern __float128 asinq (__float128) __quadmath_throw;
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| 46 | extern __float128 asinhq (__float128) __quadmath_throw;
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| 47 | extern __float128 atanq (__float128) __quadmath_throw;
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| 48 | extern __float128 atanhq (__float128) __quadmath_throw;
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| 49 | extern __float128 atan2q (__float128, __float128) __quadmath_throw;
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| 50 | extern __float128 cbrtq (__float128) __quadmath_throw;
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| 51 | extern __float128 ceilq (__float128) __quadmath_throw;
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| 52 | extern __float128 copysignq (__float128, __float128) __quadmath_throw;
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| 53 | extern __float128 coshq (__float128) __quadmath_throw;
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| 54 | extern __float128 cosq (__float128) __quadmath_throw;
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| 55 | extern __float128 erfq (__float128) __quadmath_throw;
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| 56 | extern __float128 erfcq (__float128) __quadmath_throw;
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| 57 | extern __float128 expq (__float128) __quadmath_throw;
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| 58 | extern __float128 expm1q (__float128) __quadmath_throw;
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| 59 | extern __float128 fabsq (__float128) __quadmath_throw;
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| 60 | extern __float128 fdimq (__float128, __float128) __quadmath_throw;
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| 61 | extern int finiteq (__float128) __quadmath_throw;
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| 62 | extern __float128 floorq (__float128) __quadmath_throw;
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| 63 | extern __float128 fmaq (__float128, __float128, __float128) __quadmath_throw;
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| 64 | extern __float128 fmaxq (__float128, __float128) __quadmath_throw;
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| 65 | extern __float128 fminq (__float128, __float128) __quadmath_throw;
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| 66 | extern __float128 fmodq (__float128, __float128) __quadmath_throw;
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| 67 | extern __float128 frexpq (__float128, int *) __quadmath_throw;
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| 68 | extern __float128 hypotq (__float128, __float128) __quadmath_throw;
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| 69 | extern int isinfq (__float128) __quadmath_throw;
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| 70 | extern int ilogbq (__float128) __quadmath_throw;
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| 71 | extern int isnanq (__float128) __quadmath_throw;
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| 72 | extern __float128 j0q (__float128) __quadmath_throw;
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| 73 | extern __float128 j1q (__float128) __quadmath_throw;
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| 74 | extern __float128 jnq (int, __float128) __quadmath_throw;
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| 75 | extern __float128 ldexpq (__float128, int) __quadmath_throw;
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| 76 | extern __float128 lgammaq (__float128) __quadmath_throw;
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| 77 | extern long long int llrintq (__float128) __quadmath_throw;
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| 78 | extern long long int llroundq (__float128) __quadmath_throw;
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| 79 | extern __float128 logq (__float128) __quadmath_throw;
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| 80 | extern __float128 log10q (__float128) __quadmath_throw;
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| 81 | extern __float128 log2q (__float128) __quadmath_throw;
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| 82 | extern __float128 log1pq (__float128) __quadmath_throw;
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| 83 | extern long int lrintq (__float128) __quadmath_throw;
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| 84 | extern long int lroundq (__float128) __quadmath_throw;
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| 85 | extern __float128 modfq (__float128, __float128 *) __quadmath_throw;
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| 86 | extern __float128 nanq (const char *) __quadmath_throw;
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| 87 | extern __float128 nearbyintq (__float128) __quadmath_throw;
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| 88 | extern __float128 nextafterq (__float128, __float128) __quadmath_throw;
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| 89 | extern __float128 powq (__float128, __float128) __quadmath_throw;
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| 90 | extern __float128 remainderq (__float128, __float128) __quadmath_throw;
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| 91 | extern __float128 remquoq (__float128, __float128, int *) __quadmath_throw;
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| 92 | extern __float128 rintq (__float128) __quadmath_throw;
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| 93 | extern __float128 roundq (__float128) __quadmath_throw;
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| 94 | extern __float128 scalblnq (__float128, long int) __quadmath_throw;
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| 95 | extern __float128 scalbnq (__float128, int) __quadmath_throw;
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| 96 | extern int signbitq (__float128) __quadmath_throw;
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| 97 | extern void sincosq (__float128, __float128 *, __float128 *) __quadmath_throw;
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| 98 | extern __float128 sinhq (__float128) __quadmath_throw;
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| 99 | extern __float128 sinq (__float128) __quadmath_throw;
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| 100 | extern __float128 sqrtq (__float128) __quadmath_throw;
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| 101 | extern __float128 tanq (__float128) __quadmath_throw;
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| 102 | extern __float128 tanhq (__float128) __quadmath_throw;
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| 103 | extern __float128 tgammaq (__float128) __quadmath_throw;
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| 104 | extern __float128 truncq (__float128) __quadmath_throw;
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| 105 | extern __float128 y0q (__float128) __quadmath_throw;
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| 106 | extern __float128 y1q (__float128) __quadmath_throw;
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| 107 | extern __float128 ynq (int, __float128) __quadmath_throw;
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| 108 |
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| 109 |
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| 110 | /* Prototypes for complex functions */
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| 111 | extern __float128 cabsq (__complex128) __quadmath_throw;
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| 112 | extern __float128 cargq (__complex128) __quadmath_throw;
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| 113 | extern __float128 cimagq (__complex128) __quadmath_throw;
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| 114 | extern __float128 crealq (__complex128) __quadmath_throw;
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| 115 | extern __complex128 cacosq (__complex128) __quadmath_throw;
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| 116 | extern __complex128 cacoshq (__complex128) __quadmath_throw;
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| 117 | extern __complex128 casinq (__complex128) __quadmath_throw;
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| 118 | extern __complex128 casinhq (__complex128) __quadmath_throw;
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| 119 | extern __complex128 catanq (__complex128) __quadmath_throw;
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| 120 | extern __complex128 catanhq (__complex128) __quadmath_throw;
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| 121 | extern __complex128 ccosq (__complex128) __quadmath_throw;
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| 122 | extern __complex128 ccoshq (__complex128) __quadmath_throw;
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| 123 | extern __complex128 cexpq (__complex128) __quadmath_throw;
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| 124 | extern __complex128 cexpiq (__float128) __quadmath_throw;
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| 125 | extern __complex128 clogq (__complex128) __quadmath_throw;
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| 126 | extern __complex128 clog10q (__complex128) __quadmath_throw;
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| 127 | extern __complex128 conjq (__complex128) __quadmath_throw;
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| 128 | extern __complex128 cpowq (__complex128, __complex128) __quadmath_throw;
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| 129 | extern __complex128 cprojq (__complex128) __quadmath_throw;
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| 130 | extern __complex128 csinq (__complex128) __quadmath_throw;
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| 131 | extern __complex128 csinhq (__complex128) __quadmath_throw;
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| 132 | extern __complex128 csqrtq (__complex128) __quadmath_throw;
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| 133 | extern __complex128 ctanq (__complex128) __quadmath_throw;
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| 134 | extern __complex128 ctanhq (__complex128) __quadmath_throw;
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| 135 |
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| 136 |
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| 137 | /* Prototypes for string <-> __float128 conversion functions */
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| 138 | extern __float128 strtoflt128 (const char *, char **) __quadmath_throw;
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| 139 | extern int quadmath_snprintf (char *str, size_t size,
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| 140 | const char *format, ...) __quadmath_throw;
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| 141 |
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| 142 |
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| 143 | /* Macros */
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| 144 | #define FLT128_MAX 1.18973149535723176508575932662800702e4932Q
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| 145 | #define FLT128_MIN 3.36210314311209350626267781732175260e-4932Q
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| 146 | #define FLT128_EPSILON 1.92592994438723585305597794258492732e-34Q
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| 147 | #define FLT128_DENORM_MIN 6.475175119438025110924438958227646552e-4966Q
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| 148 | #define FLT128_MANT_DIG 113
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| 149 | #define FLT128_MIN_EXP (-16381)
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| 150 | #define FLT128_MAX_EXP 16384
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| 151 | #define FLT128_DIG 33
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| 152 | #define FLT128_MIN_10_EXP (-4931)
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| 153 | #define FLT128_MAX_10_EXP 4932
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| 154 |
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| 155 |
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| 156 | #define HUGE_VALQ __builtin_huge_valq()
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| 157 | /* The following alternative is valid, but brings the warning:
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| 158 | (floating constant exceeds range of ‘__float128’) */
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| 159 | /* #define HUGE_VALQ (__extension__ 0x1.0p32767Q) */
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| 160 |
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| 161 | #define M_Eq 2.7182818284590452353602874713526625Q /* e */
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| 162 | #define M_LOG2Eq 1.4426950408889634073599246810018921Q /* log_2 e */
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| 163 | #define M_LOG10Eq 0.4342944819032518276511289189166051Q /* log_10 e */
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| 164 | #define M_LN2q 0.6931471805599453094172321214581766Q /* log_e 2 */
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| 165 | #define M_LN10q 2.3025850929940456840179914546843642Q /* log_e 10 */
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| 166 | #define M_PIq 3.1415926535897932384626433832795029Q /* pi */
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| 167 | #define M_PI_2q 1.5707963267948966192313216916397514Q /* pi/2 */
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| 168 | #define M_PI_4q 0.7853981633974483096156608458198757Q /* pi/4 */
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| 169 | #define M_1_PIq 0.3183098861837906715377675267450287Q /* 1/pi */
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| 170 | #define M_2_PIq 0.6366197723675813430755350534900574Q /* 2/pi */
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| 171 | #define M_2_SQRTPIq 1.1283791670955125738961589031215452Q /* 2/sqrt(pi) */
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| 172 | #define M_SQRT2q 1.4142135623730950488016887242096981Q /* sqrt(2) */
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| 173 | #define M_SQRT1_2q 0.7071067811865475244008443621048490Q /* 1/sqrt(2) */
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| 174 |
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| 175 | #define __quadmath_extern_inline \
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| 176 | extern inline __attribute__ ((__gnu_inline__))
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| 177 |
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| 178 | __quadmath_extern_inline __float128
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| 179 | __quadmath_nth (cimagq (__complex128 __z))
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| 180 | {
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| 181 | return __imag__ __z;
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| 182 | }
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| 183 |
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| 184 | __quadmath_extern_inline __float128
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| 185 | __quadmath_nth (crealq (__complex128 __z))
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| 186 | {
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| 187 | return __real__ __z;
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| 188 | }
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| 189 |
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| 190 | __quadmath_extern_inline __complex128
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| 191 | __quadmath_nth (conjq (__complex128 __z))
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| 192 | {
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| 193 | return __extension__ ~__z;
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| 194 | }
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| 195 |
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| 196 | #ifdef __cplusplus
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| 197 | }
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| 198 | #endif
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| 199 |
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| 200 | #endif
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