ref: 8d296f03850a2b981a90a6a62bb3663bd9effd4f
dir: /external/SDL2/src/libm/s_fabs.c/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
/*
* fabs(x) returns the absolute value of x.
*/
/*#include <features.h>*/
/* Prevent math.h from defining a colliding inline */
#undef __USE_EXTERN_INLINES
#include "math_libm.h"
#include "math_private.h"
double fabs(double x)
{
u_int32_t high;
GET_HIGH_WORD(high,x);
SET_HIGH_WORD(x,high&0x7fffffff);
return x;
}
libm_hidden_def(fabs)