From d201e39fd34bb07644b00c9902c809c1d06618d3 Mon Sep 17 00:00:00 2001 From: pfg Date: Mon, 23 Mar 2015 20:00:35 +0000 Subject: 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 --- lib/msun/src/s_scalbln.c | 26 ++++---------------------- 1 file changed, 4 insertions(+), 22 deletions(-) (limited to 'lib/msun') 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)); } -- cgit v1.1