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author | pfg <pfg@FreeBSD.org> | 2015-01-30 19:19:03 +0000 |
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committer | pfg <pfg@FreeBSD.org> | 2015-01-30 19:19:03 +0000 |
commit | 5c68a1d8dbde6d5e483c55495e78aa159a72b14f (patch) | |
tree | cb4ec86c8397bab4038ce81850fc4948acdf9074 /lib/msun | |
parent | ff569dac966a5784535fe9a751ac89966c293581 (diff) | |
download | FreeBSD-src-5c68a1d8dbde6d5e483c55495e78aa159a72b14f.zip FreeBSD-src-5c68a1d8dbde6d5e483c55495e78aa159a72b14f.tar.gz |
msun: use previously ignored value.
This fixes evaluation of exceptional values in scalblnl().
While here, simplify the code as suggested by Bruce Evans.
Reported by: clang static analyzer
MFC after: 1 week
Diffstat (limited to 'lib/msun')
-rw-r--r-- | lib/msun/src/s_scalbln.c | 26 |
1 files changed, 4 insertions, 22 deletions
diff --git a/lib/msun/src/s_scalbln.c b/lib/msun/src/s_scalbln.c index d609d4e..2aa6900 100644 --- a/lib/msun/src/s_scalbln.c +++ b/lib/msun/src/s_scalbln.c @@ -35,13 +35,7 @@ scalbln (double x, long n) { int in; - in = (int)n; - if (in != n) { - if (n > 0) - in = INT_MAX; - else - in = INT_MIN; - } + in = (n > INT_MAX) ? INT_MAX : (n < INT_MIN) ? INT_MIN : n; return (scalbn(x, in)); } @@ -50,13 +44,7 @@ scalblnf (float x, long n) { int in; - in = (int)n; - if (in != n) { - if (n > 0) - in = INT_MAX; - else - in = INT_MIN; - } + in = (n > INT_MAX) ? INT_MAX : (n < INT_MIN) ? INT_MIN : n; return (scalbnf(x, in)); } @@ -65,12 +53,6 @@ scalblnl (long double x, long n) { int in; - in = (int)n; - if (in != n) { - if (n > 0) - in = INT_MAX; - else - in = INT_MIN; - } - return (scalbnl(x, (int)n)); + in = (n > INT_MAX) ? INT_MAX : (n < INT_MIN) ? INT_MIN : n; + return (scalbnl(x, in)); } |