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/** @file
* IPRT / No-CRT - math.h, x86 inlined functions.
*/
/*
* Copyright (C) 2006-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
#ifndef IPRT_INCLUDED_nocrt_x86_math_h
#define IPRT_INCLUDED_nocrt_x86_math_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <iprt/asm.h>
#if RT_INLINE_ASM_GNU_STYLE
DECLINLINE(long double) inline_atan2l(long double lrd1, long double lrd2)
{
long double lrdResult;
__asm__ __volatile__("fpatan"
: "=t" (lrdResult)
: "u" (lrd1),
"0" (lrd2)
: "st(1)");
return lrdResult;
}
DECLINLINE(long double) inline_rintl(long double lrd)
{
long double lrdResult;
__asm__ __volatile__("frndint"
: "=t" (lrdResult)
: "0" (lrd));
return lrdResult;
}
DECLINLINE(float) inline_rintf(float rf)
{
return (float)inline_rintl(rf);
}
DECLINLINE(double) inline_rint(double rd)
{
return (double)inline_rintl(rd);
}
DECLINLINE(long double) inline_sqrtl(long double lrd)
{
long double lrdResult;
__asm__ __volatile__("fsqrt"
: "=t" (lrdResult)
: "0" (lrd));
return lrdResult;
}
DECLINLINE(float) inline_sqrtf(float rf)
{
return (float)inline_sqrtl(rf);
}
DECLINLINE(double) inline_sqrt(double rd)
{
return (double)inline_sqrtl(rd);
}
# undef atan2l
# define atan2l(lrd1, lrd2) inline_atan2l(lrd1, lrd2)
# undef rint
# define rint(rd) inline_rint(rd)
# undef rintf
# define rintf(rf) inline_rintf(rf)
# undef rintl
# define rintl(lrd) inline_rintl(lrd)
# undef sqrt
# define sqrt(rd) inline_sqrt(rd)
# undef sqrtf
# define sqrtf(rf) inline_sqrtf(rf)
# undef sqrtl
# define sqrtl(lrd) inline_sqrtl(lrd)
#endif /* RT_INLINE_ASM_GNU_STYLE */
#endif /* !IPRT_INCLUDED_nocrt_x86_math_h */
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