quadmath.h 9.1 KB

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