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43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
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/* s_finitel.c -- long double version of s_finite.c.
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* Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
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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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#include <math_ldbl_opt.h>
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int
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___finitel (long double x)
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{
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int64_t hx;
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GET_LDOUBLE_MSW64(hx,x);
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return (int)((u_int64_t)((hx&0x7fffffffffffffffLL)
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-0x7ff0000000000000LL)>>63);
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}
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hidden_ver (___finitel, __finitel)
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#ifndef IS_IN_libm
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weak_alias (___finitel, ____finitel)
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long_double_symbol (libc, ___finitel, finitel);
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long_double_symbol (libc, ____finitel, __finitel);
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#endif
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