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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
| commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
| tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/libquadmath/math/ldexpq.c | |
| parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
| download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip | |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/libquadmath/math/ldexpq.c')
| -rw-r--r-- | gcc-4.9/libquadmath/math/ldexpq.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc-4.9/libquadmath/math/ldexpq.c b/gcc-4.9/libquadmath/math/ldexpq.c new file mode 100644 index 000000000..c18968b03 --- /dev/null +++ b/gcc-4.9/libquadmath/math/ldexpq.c @@ -0,0 +1,27 @@ +/* ldexpq.c -- __float128 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; +} |