From 957221f5511cf97447f52ba274eb0e0be7eff151 Mon Sep 17 00:00:00 2001 From: Jonathan Wakely Date: Mon, 24 Apr 2017 14:43:19 +0100 Subject: [PATCH] PR libstdc++/80506 fix constant used in condition PR libstdc++/80506 * include/bits/random.tcc (gamma_distribution::operator()): Fix magic number used in loop condition. From-SVN: r247099 --- libstdc++-v3/ChangeLog | 4 ++++ libstdc++-v3/include/bits/random.tcc | 2 +- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index f2d139accf5..f2b533b4ae9 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,5 +1,9 @@ 2017-04-24 Jonathan Wakely + PR libstdc++/80506 + * include/bits/random.tcc (gamma_distribution::operator()): Fix magic + number used in loop condition. + PR libstdc++/80504 * include/bits/refwrap.h (ref, cref): Qualify calls. * testsuite/20_util/reference_wrapper/80504.cc: New test. diff --git a/libstdc++-v3/include/bits/random.tcc b/libstdc++-v3/include/bits/random.tcc index df05ebea6e9..63d1c020285 100644 --- a/libstdc++-v3/include/bits/random.tcc +++ b/libstdc++-v3/include/bits/random.tcc @@ -2356,7 +2356,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION __v = __v * __v * __v; __u = __aurng(); } - while (__u > result_type(1.0) - 0.331 * __n * __n * __n * __n + while (__u > result_type(1.0) - 0.0331 * __n * __n * __n * __n && (std::log(__u) > (0.5 * __n * __n + __a1 * (1.0 - __v + std::log(__v))))); -- 2.30.2