| /* _Float128 overrides for building ldbl-128 as _Float128. |
| Copyright (C) 2017-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| /* This must be included before the function renames below. */ |
| #include <gmp.h> |
| #include <math.h> |
| #undef HUGE_VALL |
| #define HUGE_VALL HUGE_VAL_F128 |
| #include <math/mul_splitl.h> |
| |
| /* This must be included before the renames of types and macros from |
| it. */ |
| #include <ieee754.h> |
| |
| /* Renames derived from math_private.h. */ |
| #include <math_private.h> |
| #include <ieee754_float128.h> |
| #define ieee854_long_double_shape_type ieee854_float128_shape_type |
| #define ieee854_long_double ieee854_float128 |
| |
| #undef GET_LDOUBLE_LSW64 |
| #undef GET_LDOUBLE_MSW64 |
| #undef GET_LDOUBLE_WORDS64 |
| #undef SET_LDOUBLE_LSW64 |
| #undef SET_LDOUBLE_MSW64 |
| #undef SET_LDOUBLE_WORDS64 |
| #define GET_LDOUBLE_LSW64(x,y) GET_FLOAT128_LSW64 (x, y) |
| #define GET_LDOUBLE_MSW64(x,y) GET_FLOAT128_MSW64 (x, y) |
| #define GET_LDOUBLE_WORDS64(x,y,z) GET_FLOAT128_WORDS64 (x, y, z) |
| #define SET_LDOUBLE_LSW64(x,y) SET_FLOAT128_LSW64 (x, y) |
| #define SET_LDOUBLE_MSW64(x,y) SET_FLOAT128_MSW64 (x, y) |
| #define SET_LDOUBLE_WORDS64(x,y,z) SET_FLOAT128_WORDS64 (x, y, z) |
| |
| #undef IEEE854_LONG_DOUBLE_BIAS |
| #define IEEE854_LONG_DOUBLE_BIAS IEEE854_FLOAT128_BIAS |
| |
| #ifdef SET_RESTORE_ROUNDF128 |
| # undef SET_RESTORE_ROUNDL |
| # define SET_RESTORE_ROUNDL(RM) SET_RESTORE_ROUNDF128 (RM) |
| #endif |
| |
| |
| /* misc macros from the header below. */ |
| #include <fix-fp-int-convert-overflow.h> |
| #undef FIX_LDBL_LONG_CONVERT_OVERFLOW |
| #undef FIX_LDBL_LLONG_CONVERT_OVERFLOW |
| #define FIX_LDBL_LONG_CONVERT_OVERFLOW FIX_FLT128_LONG_CONVERT_OVERFLOW |
| #define FIX_LDBL_LLONG_CONVERT_OVERFLOW FIX_FLT128_LLONG_CONVERT_OVERFLOW |
| |
| |
| /* float.h constants. */ |
| #include <float.h> |
| #undef LDBL_DIG |
| #undef LDBL_EPSILON |
| #undef LDBL_MANT_DIG |
| #undef LDBL_MAX |
| #undef LDBL_MAX_10_EXP |
| #undef LDBL_MAX_EXP |
| #undef LDBL_MIN |
| #undef LDBL_MIN_10_EXP |
| #undef LDBL_MIN_EXP |
| #undef LDBL_TRUE_MIN |
| #define LDBL_DIG FLT128_DIG |
| #define LDBL_EPSILON FLT128_EPSILON |
| #define LDBL_MANT_DIG FLT128_MANT_DIG |
| #define LDBL_MAX FLT128_MAX |
| #define LDBL_MAX_10_EXP FLT128_MAX_10_EXP |
| #define LDBL_MAX_EXP FLT128_MAX_EXP |
| #define LDBL_MIN FLT128_MIN |
| #define LDBL_MIN_10_EXP FLT128_MIN_10_EXP |
| #define LDBL_MIN_EXP FLT128_MIN_EXP |
| #define LDBL_TRUE_MIN FLT128_TRUE_MIN |
| |
| |
| /* math.h GNU constants. */ |
| #undef M_El |
| #undef M_LOG2El |
| #undef M_LOG10El |
| #undef M_LN2l |
| #undef M_LN10l |
| #undef M_PIl |
| #undef M_PI_2l |
| #undef M_PI_4l |
| #undef M_1_PIl |
| #undef M_2_PIl |
| #undef M_2_SQRTPIl |
| #undef M_SQRT2l |
| #undef M_SQRT1_2l |
| #define M_El M_Ef128 |
| #define M_LOG2El M_LOG2Ef128 |
| #define M_LOG10El M_LOG10Ef128 |
| #define M_LN2l M_LN2f128 |
| #define M_LN10l M_LN10f128 |
| #define M_PIl M_PIf128 |
| #define M_PI_2l M_PI_2f128 |
| #define M_PI_4l M_PI_4f128 |
| #define M_1_PIl M_1_PIf128 |
| #define M_2_PIl M_2_PIf128 |
| #define M_2_SQRTPIl M_2_SQRTPIf128 |
| #define M_SQRT2l M_SQRT2f128 |
| #define M_SQRT1_2l M_SQRT1_2f128 |
| |
| |
| #include <libm-alias-ldouble.h> |
| #include <libm-alias-float128.h> |
| #undef libm_alias_ldouble_r |
| #define libm_alias_ldouble_r(from, to, r) libm_alias_float128_r (from, to, r) |
| |
| |
| /* IEEE function renames. */ |
| #define __ieee754_acoshl __ieee754_acoshf128 |
| #define __ieee754_acosl __ieee754_acosf128 |
| #define __ieee754_asinhl __ieee754_asinhf128 |
| #define __ieee754_asinl __ieee754_asinf128 |
| #define __ieee754_atan2l __ieee754_atan2f128 |
| #define __ieee754_atanhl __ieee754_atanhf128 |
| #define __ieee754_coshl __ieee754_coshf128 |
| #define __ieee754_cosl __ieee754_cosf128 |
| #define __ieee754_exp10l __ieee754_exp10f128 |
| #define __ieee754_exp2l __ieee754_exp2f128 |
| #define __ieee754_expl __ieee754_expf128 |
| #define __ieee754_fmodl __ieee754_fmodf128 |
| #define __ieee754_gammal_r __ieee754_gammaf128_r |
| #define __ieee754_hypotl __ieee754_hypotf128 |
| #define __ieee754_ilogbl __ieee754_ilogbf128 |
| #define __ieee754_j0l __ieee754_j0f128 |
| #define __ieee754_j1l __ieee754_j1f128 |
| #define __ieee754_jnl __ieee754_jnf128 |
| #define __ieee754_lgammal_r __ieee754_lgammaf128_r |
| #define __ieee754_log10l __ieee754_log10f128 |
| #define __ieee754_log2l __ieee754_log2f128 |
| #define __ieee754_logl __ieee754_logf128 |
| #define __ieee754_powl __ieee754_powf128 |
| #define __ieee754_rem_pio2l __ieee754_rem_pio2f128 |
| #define __ieee754_remainderl __ieee754_remainderf128 |
| #define __ieee754_sinhl __ieee754_sinhf128 |
| #define __ieee754_sqrtl __ieee754_sqrtf128 |
| #define __ieee754_y0l __ieee754_y0f128 |
| #define __ieee754_y1l __ieee754_y1f128 |
| #define __ieee754_ynl __ieee754_ynf128 |
| |
| |
| /* finite math entry points. */ |
| #define __acoshl_finite __acoshf128_finite |
| #define __acosl_finite __acosf128_finite |
| #define __asinl_finite __asinf128_finite |
| #define __atan2l_finite __atan2f128_finite |
| #define __atanhl_finite __atanhf128_finite |
| #define __coshl_finite __coshf128_finite |
| #define __cosl_finite __cosf128_finite |
| #define __exp10l_finite __exp10f128_finite |
| #define __exp2l_finite __exp2f128_finite |
| #define __expl_finite __expf128_finite |
| #define __fmodl_finite __fmodf128_finite |
| #define __hypotl_finite __hypotf128_finite |
| #define __ilogbl_finite __ilogbf128_finite |
| #define __j0l_finite __j0f128_finite |
| #define __j1l_finite __j1f128_finite |
| #define __jnl_finite __jnf128_finite |
| #define __lgammal_r_finite __lgammaf128_r_finite |
| #define __log10l_finite __log10f128_finite |
| #define __log2l_finite __log2f128_finite |
| #define __logl_finite __logf128_finite |
| #define __powl_finite __powf128_finite |
| #define __remainderl_finite __remainderf128_finite |
| #define __sinhl_finite __sinhf128_finite |
| #define __y0l_finite __y0f128_finite |
| #define __y1l_finite __y1f128_finite |
| #define __ynl_finite __ynf128_finite |
| |
| |
| /* internal function names. */ |
| #define __asinhl __asinhf128 |
| #define __atanl __atanf128 |
| #define __cbrtl __cbrtf128 |
| #define __ceill __ceilf128 |
| #define __copysignl __copysignf128 |
| #define __cosl __cosf128 |
| #define __erfcl __erfcf128 |
| #define __erfl __erff128 |
| #define __expl __expf128 |
| #define __expm1l __expm1f128 |
| #define __fabsl __fabsf128 |
| #define __fdiml __fdimf128 |
| #define __finitel __finitef128 |
| #define __floorl __floorf128 |
| #define __fmal __fmaf128 |
| #define __fmaxl __fmaxf128 |
| #define __fminl __fminf128 |
| #define __fpclassifyl __fpclassifyf128 |
| #define __frexpl __frexpf128 |
| #define __gammal_r_finite __gammaf128_r_finite |
| #define __getpayloadl __getpayloadf128 |
| #define __isinfl __isinff128 |
| #define __isnanl __isnanf128 |
| #define __issignalingl __issignalingf128 |
| #define __ldexpl __ldexpf128 |
| #define __llrintl __llrintf128 |
| #define __llroundl __llroundf128 |
| #define __log1pl __log1pf128 |
| #define __logbl __logbf128 |
| #define __logl __logf128 |
| #define __lrintl __lrintf128 |
| #define __lroundl __lroundf128 |
| #define __modfl __modff128 |
| #define __nearbyintl __nearbyintf128 |
| #define __nextafterl __nextafterf128 |
| #define __nextdownl __nextdownf128 |
| #define __nextupl __nextupf128 |
| #define __remquol __remquof128 |
| #define __rintl __rintf128 |
| #define __roundevenl __roundevenf128 |
| #define __roundl __roundf128 |
| #define __scalblnl __scalblnf128 |
| #define __scalbnl __scalbnf128 |
| #define __signbitl __signbitf128 |
| #define __sincosl __sincosf128 |
| #define __sinl __sinf128 |
| #define __sqrtl __sqrtf128 |
| #define __tanhl __tanhf128 |
| #define __tanl __tanf128 |
| #define __totalorderl __totalorderf128 |
| #define __totalordermagl __totalordermagf128 |
| #define __truncl __truncf128 |
| #define __x2y2m1l __x2y2m1f128 |
| |
| /* __nexttowardf128 is not _Float128 API. */ |
| #define __nexttowardl __nexttowardf128_do_not_use |
| #define nexttowardl nexttowardf128_do_not_use |
| |
| |
| /* public entry points. */ |
| #define asinhl asinhf128 |
| #define atanl atanf128 |
| #define cbrtl cbrtf128 |
| #define ceill ceilf128 |
| #define copysignl copysignf128 |
| #define cosl cosf128 |
| #define erfcl erfcf128 |
| #define erfl erff128 |
| #define expl expf128 |
| #define expm1l expm1f128 |
| #define fabsl fabsf128 |
| #define fdiml fdimf128 |
| #define finitel finitef128_do_not_use |
| #define floorl floorf128 |
| #define fmal fmaf128 |
| #define fmaxl fmaxf128 |
| #define fminl fminf128 |
| #define frexpl frexpf128 |
| #define getpayloadl getpayloadf128 |
| #define isinfl isinff128_do_not_use |
| #define isnanl isnanf128_do_not_use |
| #define ldexpl ldexpf128 |
| #define llrintl llrintf128 |
| #define llroundl llroundf128 |
| #define log1pl log1pf128 |
| #define logbl logbf128 |
| #define logl logf128 |
| #define lrintl lrintf128 |
| #define lroundl lroundf128 |
| #define modfl modff128 |
| #define nanl nanf128 |
| #define nearbyintl nearbyintf128 |
| #define nextafterl nextafterf128 |
| #define nextdownl nextdownf128 |
| #define nextupl nextupf128 |
| #define remquol remquof128 |
| #define rintl rintf128 |
| #define roundevenl roundevenf128 |
| #define roundl roundf128 |
| #define scalbnl scalbnf128 |
| #define sincosl sincosf128 |
| #define sinl sinf128 |
| #define sqrtl sqrtf128 |
| #define tanhl tanhf128 |
| #define tanl tanf128 |
| #define totalorderl totalorderf128 |
| #define totalordermagl totalordermagf128 |
| #define truncl truncf128 |
| |
| |
| /* misc internal renames. */ |
| #define __builtin_fmal __builtin_fmaf128 |
| #define __expl_table __expf128_table |
| #define __gamma_productl __gamma_productf128 |
| #define __kernel_cosl __kernel_cosf128 |
| #define __kernel_rem_pio2l __kernel_rem_pio2f128 |
| #define __kernel_sincosl __kernel_sincosf128 |
| #define __kernel_sinl __kernel_sinf128 |
| #define __kernel_tanl __kernel_tanf128 |
| #define __lgamma_negl __lgamma_negf128 |
| #define __lgamma_productl __lgamma_productf128 |
| #define __mpn_extract_long_double __mpn_extract_float128 |
| #define __sincosl_table __sincosf128_table |
| #define mul_splitl mul_splitf128 |
| |
| /* Builtin renames. */ |
| #define __builtin_copysignl __builtin_copysignf128 |
| #define __builtin_signbitl __builtin_signbit |
| |
| /* Get the constant suffix from bits/floatn-compat.h. */ |
| #define L(x) __f128 (x) |
| |
| static inline void |
| mul_splitf128 (_Float128 *hi, _Float128 *lo, _Float128 x, _Float128 y) |
| { |
| #ifdef __FP_FAST_FMAF128 |
| /* Fast built-in fused multiply-add. */ |
| *hi = x * y; |
| *lo = __builtin_fmal (x, y, -*hi); |
| #else |
| /* Apply Dekker's algorithm. */ |
| *hi = x * y; |
| # define C ((1LL << (FLT128_MANT_DIG + 1) / 2) + 1) |
| _Float128 x1 = x * C; |
| _Float128 y1 = y * C; |
| # undef C |
| x1 = (x - x1) + x1; |
| y1 = (y - y1) + y1; |
| _Float128 x2 = x - x1; |
| _Float128 y2 = y - y1; |
| *lo = (((x1 * y1 - *hi) + x1 * y2) + x2 * y1) + x2 * y2; |
| #endif |
| } |
