sortix-mirror/libc/fabs.cpp

47 lines
1.3 KiB
C++

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2012.
This file is part of the Sortix C Library.
The Sortix C Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
The Sortix C Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
fabs.cpp
Absolute value of floating point numbers.
*******************************************************************************/
#include <math.h>
extern "C" double fabs(double x)
{
if ( x < 0.0f )
return -x;
return x;
}
extern "C" float fabsf(float x)
{
if ( x < 0.0f )
return -x;
return x;
}
extern "C" long double fabsl(long double x)
{
if ( x < 0.0f )
return -x;
return x;
}