newlib-cygwin/newlib/libm/common/s_signbit.c

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2002-06-08 05:59:57 +08:00
/* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved.
*
* Permission to use, copy, modify, and distribute this software
* is freely granted, provided that this notice is preserved.
*/
#include "fdlibm.h"
int __signbitf (float x);
int __signbitd (double x);
int
__signbitf (float x)
{
unsigned int w;
GET_FLOAT_WORD(w,x);
return (w & 0x80000000);
}
int
__signbitd (double x)
{
unsigned int msw;
GET_HIGH_WORD(msw, x);
return (msw & 0x80000000);
}