libquadmath/quadmath.h

   1 /* GCC Quad-Precision Math Library
   2    Copyright (C) 2010 Free Software Foundation, Inc.
   3    Written by Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
   4
   5 This file is part of the libiberty library.
   6 Libiberty 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 Libiberty 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 libiberty; 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 // Define the complex type corresponding to __float128
  27 // ("_Complex __float128" is not allowed)
  28 typedef _Complex float __attribute__((mode(TC))) __complex128;
  29
  30
  31 // Prototypes for real functions
  32 extern __float128 acosq (__float128);
  33 extern __float128 acoshq (__float128);
  34 extern __float128 asinq (__float128);
  35 extern __float128 asinhq (__float128);
  36 extern __float128 atanq (__float128);
  37 extern __float128 atanhq (__float128);
  38 extern __float128 atan2q (__float128, __float128);
  39 extern __float128 cbrtq (const __float128);
  40 extern __float128 ceilq (__float128);
  41 extern __float128 copysignq (__float128, __float128);
  42 extern __float128 coshq (__float128);
  43 extern __float128 cosq (__float128);
  44 extern __float128 erfq (__float128);
  45 extern __float128 erfcq (__float128);
  46 extern __float128 expq (__float128);
  47 extern __float128 expm1q (__float128);
  48 extern __float128 fabsq (__float128);
  49 extern int finiteq (const __float128);
  50 extern __float128 floorq (__float128);
  51 extern __float128 fmodq (__float128, __float128);
  52 extern __float128 frexpq (__float128, int *);
  53 extern __float128 hypotq (__float128, __float128);
  54 extern int isinfq (__float128);
  55 extern int isnanq (const __float128);
  56 extern __float128 j0q (__float128);
  57 extern __float128 j1q (__float128);
  58 extern __float128 jnq (int, __float128);
  59 extern __float128 ldexpq (__float128, int);
  60 extern __float128 lgammaq (__float128);
  61 extern long long int llroundq (__float128);
  62 extern __float128 logq (__float128);
  63 extern __float128 log10q (__float128);
  64 extern __float128 log1pq (__float128);
  65 extern long int lroundq (__float128);
  66 extern __float128 modfq (__float128, __float128 *);
  67 extern __float128 nanq (const char *);
  68 extern __float128 nextafterq (__float128, __float128);
  69 extern __float128 powq (__float128, __float128);
  70 extern __float128 remainderq (__float128, __float128);
  71 extern __float128 rintq (__float128);
  72 extern __float128 roundq (__float128);
  73 extern __float128 scalblnq (__float128, long int);
  74 extern __float128 scalbnq (__float128, int);
  75 extern int signbitq (const __float128);
  76 extern void sincosq (__float128, __float128 *, __float128 *);
  77 extern __float128 sinhq (__float128);
  78 extern __float128 sinq (__float128);
  79 extern __float128 sqrtq (const __float128);
  80 extern __float128 tanq (__float128);
  81 extern __float128 tanhq (__float128);
  82 extern __float128 tgammaq (__float128);
  83 extern __float128 truncq (__float128);
  84 extern __float128 y0q (__float128);
  85 extern __float128 y1q (__float128);
  86 extern __float128 ynq (int, __float128);
  87
  88
  89 // Prototypes for complex functions
  90 extern __float128 cabsq (__complex128);
  91 extern __float128 cargq (__complex128);
  92 extern __complex128 ccosq (__complex128);
  93 extern __complex128 ccoshq (__complex128);
  94 extern __complex128 cexpq (__complex128);
  95 extern __complex128 cexpiq (__float128);
  96 extern __complex128 clogq (__complex128);
  97 extern __complex128 clog10q (__complex128);
  98 extern __complex128 cpowq (__complex128, __complex128);
  99 extern __complex128 csinq (__complex128);
 100 extern __complex128 csinhq (__complex128);
 101 extern __complex128 csqrtq (__complex128);
 102 extern __complex128 ctanq (__complex128);
 103 extern __complex128 ctanhq (__complex128);
 104
 105
 106 // Prototypes for our I/O functions
 107 extern int quadmath_strtopQ (const char *, char **, void *);
 108 extern void quadmath_dtoaq (char *, size_t, size_t, __float128);
 109
 110
 111 // Macros
 112 #define FLT128_MAX 1.18973149535723176508575932662800702e4932Q
 113 #define FLT128_MIN 3.36210314311209350626267781732175260e-4932Q
 114 #define FLT128_EPSILON 1.92592994438723585305597794258492732e-34Q
 115 #define FLT128_DENORM_MIN 6.475175119438025110924438958227646552e-4966Q
 116 #define FLT128_MANT_DIG 113
 117 #define FLT128_MIN_EXP (-16381)
 118 #define FLT128_MAX_EXP 16384
 119 // TODO -- One day, we need to add the following macros:
 120 // FLT128_DIG, FLT128_MIN_10_EXP, FLT128_MAX_10_EXP
 121
 122
 123 #define HUGE_VALQ __builtin_huge_valq()
 124 /* The following alternative is valid, but brings the warning:
 125    (floating constant exceeds range of ‘__float128’)  */
 126 /* #define HUGE_VALQ (__extension__ 0x1.0p32767Q) */
 127
 128 #endif