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31 lines
776 B
C
31 lines
776 B
C
/* finiteq.c -- __float128 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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#include "quadmath-imp.h"
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/*
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* finiteq(x) returns 1 is x is finite, else 0;
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* no branching!
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*/
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int
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finiteq (const __float128 x)
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{
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int64_t hx;
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GET_FLT128_MSW64(hx,x);
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return (int)((uint64_t)((hx&0x7fff000000000000LL)
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-0x7fff000000000000LL)>>63);
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}
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