/* @(#)s_finite.c 5.1 93/09/24 */
/*
 * ====================================================
 * 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.
 * ====================================================
 */

/*
 * finite(x) returns 1 is x is finite, else 0;
 * no branching!
 */

#include "fdlibm.h"

#ifdef _NEED_FLOAT64

int
finite64(__float64 x)
{
	__int32_t hx;
	GET_HIGH_WORD(hx,x);
	return  (int)((__uint32_t)((hx&0x7fffffff)-0x7ff00000)>>31);
}

_MATH_ALIAS_i_d(finite)

#if defined(_HAVE_ALIAS_ATTRIBUTE)
#ifndef __clang__
#pragma GCC diagnostic ignored "-Wmissing-attributes"
#endif
__strong_reference(finite64, __finite64);
#else

int __finite64(__float64 x)
{
    return finite64(x);
}

#endif

_MATH_ALIAS_i_d(__finite)

#endif /* _NEED_FLOAT64 */