/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2004 David Schultz * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #define __fenv_static #include "fenv.h" #ifdef __GNUC_GNU_INLINE__ #error "This file must be compiled with C99 'inline' semantics" #endif /* * Hopefully the system ID byte is immutable, so it's valid to use * this as a default environment. */ const fenv_t __fe_dfl_env = 0; #ifdef __mips_soft_float #define __set_env(env, flags, mask, rnd) env = ((flags) \ | (mask)<<_FPUSW_SHIFT \ | (rnd) << 24) #define __env_flags(env) ((env) & FE_ALL_EXCEPT) #define __env_mask(env) (((env) >> _FPUSW_SHIFT) \ & FE_ALL_EXCEPT) #define __env_round(env) (((env) >> 24) & _ROUND_MASK) #include "fenv-softfloat.h" #endif extern inline int feclearexcept(int __excepts); extern inline int fegetexceptflag(fexcept_t *__flagp, int __excepts); extern inline int fesetexceptflag(const fexcept_t *__flagp, int __excepts); extern inline int feraiseexcept(int __excepts); extern inline int fetestexcept(int __excepts); extern inline int fegetround(void); extern inline int fesetround(int __round); extern inline int fegetenv(fenv_t *__envp); extern inline int feholdexcept(fenv_t *__envp); extern inline int fesetenv(const fenv_t *__envp); extern inline int feupdateenv(const fenv_t *__envp); extern inline int feenableexcept(int __mask); extern inline int fedisableexcept(int __mask); extern inline int fegetexcept(void);