Mercurial > hg > CbC > CbC_gcc
diff libquadmath/math/ldexpq.c @ 68:561a7518be6b
update gcc-4.6
author | Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> |
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date | Sun, 21 Aug 2011 07:07:55 +0900 |
parents | |
children | 04ced10e8804 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libquadmath/math/ldexpq.c Sun Aug 21 07:07:55 2011 +0900 @@ -0,0 +1,27 @@ +/* s_ldexpl.c -- long double version of s_ldexp.c. + * Conversion to long double by Ulrich Drepper, + * Cygnus Support, drepper@cygnus.com. + */ + +/* + * ==================================================== + * 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. + * ==================================================== + */ + +#include <errno.h> +#include "quadmath-imp.h" + +__float128 +ldexpq (__float128 value, int exp) +{ + if(!finiteq(value)||value==0.0Q) return value; + value = scalbnq(value,exp); + if(!finiteq(value)||value==0.0Q) errno = ERANGE; + return value; +}