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author | pfg <pfg@FreeBSD.org> | 2015-03-23 20:00:35 +0000 |
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committer | pfg <pfg@FreeBSD.org> | 2015-03-23 20:00:35 +0000 |
commit | d201e39fd34bb07644b00c9902c809c1d06618d3 (patch) | |
tree | 1018995d7abea6fd42eceeb1450ad75a32d753c7 /lib | |
parent | b56d80f032bbae09a3aa86d5b67d88cd6051f8a2 (diff) | |
download | FreeBSD-src-d201e39fd34bb07644b00c9902c809c1d06618d3.zip FreeBSD-src-d201e39fd34bb07644b00c9902c809c1d06618d3.tar.gz |
MFC r277948:
msun: use previously ignored "in" value.
This fixes evaluation of exceptional values in scalblnl().
While here, simplify the code as suggested by Bruce Evans.
Reported by: clang static analyzer
Diffstat (limited to 'lib')
-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)); } |