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37 lines
909 B
C
37 lines
909 B
C
/* s_finitel.c -- long double version of s_finite.c.
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* Conversion to long double by Ulrich Drepper,
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* Cygnus Support, drepper@cygnus.com.
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*/
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/*
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* ====================================================
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* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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*
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* Developed at SunPro, a Sun Microsystems, Inc. business.
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* Permission to use, copy, modify, and distribute this
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* software is freely granted, provided that this notice
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* is preserved.
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* ====================================================
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*/
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#if defined(LIBM_SCCS) && !defined(lint)
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static char rcsid[] = "$NetBSD: $";
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#endif
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/*
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* finitel(x) returns 1 is x is finite, else 0;
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* no branching!
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*/
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#include <math.h>
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#include <math_private.h>
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int __finitel(long double x)
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{
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int32_t exp;
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GET_LDOUBLE_EXP(exp,x);
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return (int)((u_int32_t)((exp&0x7fff)-0x7fff)>>31);
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}
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hidden_def (__finitel)
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weak_alias (__finitel, finitel)
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