| |
| /* Copyright (C) 1999-2021 by The D Language Foundation, All Rights Reserved |
| * http://www.digitalmars.com |
| * Distributed under the Boost Software License, Version 1.0. |
| * http://www.boost.org/LICENSE_1_0.txt |
| * https://github.com/dlang/dmd/blob/master/src/dmd/root/ctfloat.h |
| */ |
| |
| #pragma once |
| |
| #include "longdouble.h" |
| |
| // Type used by the front-end for compile-time reals |
| typedef longdouble real_t; |
| |
| // Compile-time floating-point helper |
| struct CTFloat |
| { |
| static bool yl2x_supported; |
| static bool yl2xp1_supported; |
| |
| static void yl2x(const real_t *x, const real_t *y, real_t *res); |
| static void yl2xp1(const real_t *x, const real_t *y, real_t *res); |
| |
| static real_t sin(real_t x); |
| static real_t cos(real_t x); |
| static real_t tan(real_t x); |
| static real_t sqrt(real_t x); |
| static real_t fabs(real_t x); |
| static real_t ldexp(real_t n, int exp); |
| |
| static real_t round(real_t x); |
| static real_t floor(real_t x); |
| static real_t ceil(real_t x); |
| static real_t trunc(real_t x); |
| static real_t log(real_t x); |
| static real_t log2(real_t x); |
| static real_t log10(real_t x); |
| static real_t pow(real_t x, real_t y); |
| static real_t exp(real_t x); |
| static real_t expm1(real_t x); |
| static real_t exp2(real_t x); |
| |
| static real_t fmin(real_t x, real_t y); |
| static real_t fmax(real_t x, real_t y); |
| static real_t copysign(real_t x, real_t s); |
| |
| static real_t fma(real_t x, real_t y, real_t z); |
| |
| static bool isIdentical(real_t a, real_t b); |
| static bool isNaN(real_t r); |
| static bool isSNaN(real_t r); |
| static bool isInfinity(real_t r); |
| |
| static real_t parse(const char *literal, bool *isOutOfRange = NULL); |
| static int sprint(char *str, char fmt, real_t x); |
| |
| static size_t hash(real_t a); |
| |
| // Constant real values 0, 1, -1 and 0.5. |
| static real_t zero; |
| static real_t one; |
| static real_t minusone; |
| static real_t half; |
| }; |