[v3] libstdc++/56202
Paolo Carlini
paolo.carlini@oracle.com
Mon Feb 4 17:18:00 GMT 2013
Hi,
tested x96_64-linux, committed to mainline.
Thanks,
Paolo.
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-------------- next part --------------
2013-02-04 Manuel López-Ibáñez <manu@gcc.gnu.org>
Paolo Carlini <paolo.carlini@oracle.com>
PR libstdc++/56202
* include/bits/random.tcc (binomial_distribution<>::
_M_waiting(_UniformRandomNumberGenerator&, _IntType)): Avoid
division by zero.
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Index: include/bits/random.tcc
===================================================================
--- include/bits/random.tcc (revision 195717)
+++ include/bits/random.tcc (working copy)
@@ -1658,6 +1658,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
do
{
const double __e = -std::log(1.0 - __aurng());
+ if (__t == __x)
+ {
+ if (__e)
+ return __x;
+ continue;
+ }
__sum += __e / (__t - __x);
__x += 1;
}
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