fenv.h

// Copyright (c) 2015-2017 Nuxi, https://nuxi.nl/
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// <fenv.h> - floating-point environment

#ifndef _FENV_H_
#define _FENV_H_

#if defined(__aarch64__)
#include <_/arch/aarch64/fenv.h>
#elif defined(__arm__)
#include <_/arch/arm/fenv.h>
#elif defined(__i386__) || defined(__x86_64__)
#include <_/arch/i386/fenv.h>
#elif defined(__riscv)
#include <_/arch/riscv/fenv.h>
#else
#error "Unknown architecture"
#endif
#include <_/cdefs.h>

// Default floating-point environment.
extern const fenv_t __fe_dfl_env;
static const fenv_t *const FE_DFL_ENV = &__fe_dfl_env;
#define FE_DFL_ENV FE_DFL_ENV

__BEGIN_DECLS
int feclearexcept(int);
int fegetenv(fenv_t *);
int fegetexceptflag(fexcept_t *, int);
int fegetround(void);
int feholdexcept(fenv_t *);
int feraiseexcept(int);
int fesetenv(const fenv_t *);
int fesetexceptflag(const fexcept_t *, int);
int fesetround(int);
int fetestexcept(int);
int feupdateenv(const fenv_t *);
__END_DECLS

#endif