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/* $OpenBSD: s_nearbyint.c,v 1.1 2011/04/28 18:05:39 martynas Exp $ */
/*
* Copyright (c) 2011 Martynas Venckus <martynas@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <fenv.h>
#include <math.h>
double
nearbyint(double x)
{
fenv_t fenv;
double res;
feholdexcept(&fenv);
res = rint(x);
fesetenv(&fenv);
return (res);
}
float
nearbyintf(float x)
{
fenv_t fenv;
float res;
feholdexcept(&fenv);
res = rintf(x);
fesetenv(&fenv);
return (res);
}
long double
nearbyintl(long double x)
{
fenv_t fenv;
long double res;
feholdexcept(&fenv);
res = rintl(x);
fesetenv(&fenv);
return (res);
}
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