12116Sjkh/* s_finitef.c -- float version of s_finite.c.
22116Sjkh * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
32116Sjkh */
42116Sjkh
52116Sjkh/*
62116Sjkh * ====================================================
72116Sjkh * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
82116Sjkh *
92116Sjkh * Developed at SunPro, a Sun Microsystems, Inc. business.
102116Sjkh * Permission to use, copy, modify, and distribute this
118870Srgrimes * software is freely granted, provided that this notice
122116Sjkh * is preserved.
132116Sjkh * ====================================================
142116Sjkh */
152116Sjkh
16176451Sdas#include <sys/cdefs.h>
17176451Sdas__FBSDID("$FreeBSD$");
182116Sjkh
192116Sjkh/*
202116Sjkh * finitef(x) returns 1 is x is finite, else 0;
212116Sjkh * no branching!
222116Sjkh */
232116Sjkh
242116Sjkh#include "math.h"
252116Sjkh#include "math_private.h"
262116Sjkh
272116Sjkh	int finitef(float x)
282116Sjkh{
292116Sjkh	int32_t ix;
302116Sjkh	GET_FLOAT_WORD(ix,x);
312116Sjkh	return (int)((u_int32_t)((ix&0x7fffffff)-0x7f800000)>>31);
322116Sjkh}
33