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| author | Ulrich Drepper <drepper@redhat.com> | 2001-02-19 23:07:28 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2001-02-19 23:07:28 +0000 |
| commit | d210ca02ec8a5ba034946c57b85c2f3e503a6017 (patch) | |
| tree | eea5e5b7d3eae5c4608add6a9cd7e4cdd9341f67 /sysdeps/generic/e_scalbf.c | |
| parent | 2d7faa721d72da439dd3b732ff9a41d096438cc8 (diff) | |
| download | glibc-d210ca02ec8a5ba034946c57b85c2f3e503a6017.zip glibc-d210ca02ec8a5ba034946c57b85c2f3e503a6017.tar.gz glibc-d210ca02ec8a5ba034946c57b85c2f3e503a6017.tar.bz2 | |
Update.
* sysdeps/generic/e_scalb.c: Set invalid exception for invalid
parameters.
* sysdeps/generic/e_scalbf.c: New file.
* sysdeps/generic/e_scalbl.c: New file.
Diffstat (limited to 'sysdeps/generic/e_scalbf.c')
| -rw-r--r-- | sysdeps/generic/e_scalbf.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/sysdeps/generic/e_scalbf.c b/sysdeps/generic/e_scalbf.c index f51057e..9d769f4 100644 --- a/sysdeps/generic/e_scalbf.c +++ b/sysdeps/generic/e_scalbf.c @@ -8,7 +8,7 @@ * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice + * software is freely granted, provided that this notice * is preserved. * ==================================================== */ @@ -17,6 +17,7 @@ static char rcsid[] = "$NetBSD: e_scalbf.c,v 1.3 1995/05/10 20:46:12 jtc Exp $"; #endif +#include <fenv.h> #include "math.h" #include "math_private.h" @@ -45,10 +46,17 @@ static char rcsid[] = "$NetBSD: e_scalbf.c,v 1.3 1995/05/10 20:46:12 jtc Exp $"; else if (x == 0) return x; else if (!__finitef (x)) - return __nanf (""); + { + feraiseexcept (FE_INVALID); + return __nanf (""); + } else return x/(-fn); } - if (__rintf(fn)!=fn) return __nanf (""); + if (__rintf(fn)!=fn) + { + feraiseexcept (FE_INVALID); + return __nanf (""); + } if ( fn > (float)65000.0) return __scalbnf(x, 65000); if (-fn > (float)65000.0) return __scalbnf(x,-65000); return __scalbnf(x,(int)fn); |