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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libquadmath/] [math/] [isnanq.c] - Blame information for rev 750

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1 740 jeremybenn
/* s_isnanl.c -- long double version of s_isnan.c.
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 * Conversion to 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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int
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isnanq (const __float128 x)
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{
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  int64_t hx,lx;
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  GET_FLT128_WORDS64(hx,lx,x);
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  hx &= 0x7fffffffffffffffLL;
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  hx |= (uint64_t)(lx|(-lx))>>63;
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  hx = 0x7fff000000000000LL - hx;
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  return (int)((uint64_t)hx>>63);
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}

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