diff options
| author | paolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-06-05 21:23:59 +0000 |
|---|---|---|
| committer | paolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-06-05 21:23:59 +0000 |
| commit | 481b6d25d8462f1cd30c658fced574722c92a595 (patch) | |
| tree | bd7d9cd49961fed4289e3426f57cfd1814862fa1 /libstdc++-v3/include/tr1/random | |
| parent | 4885679ac651aeed106e89c25468ebcad3e5336c (diff) | |
| download | ppe42-gcc-481b6d25d8462f1cd30c658fced574722c92a595.tar.gz ppe42-gcc-481b6d25d8462f1cd30c658fced574722c92a595.zip | |
2006-06-05 Paolo Carlini <pcarlini@suse.de>
* include/tr1/random (mersenne_twister<>::seed()): Fix per
tr1/5.1.4.2, p8.
* include/tr1/random.tcc (mod_w): Add.
(mersenne_twister<>::seed(unsigned long)): Fix per tr1/5.1.4.2, p9.
(mersenne_twister<>::seed(Gen&, false_type)): Adjust to use mod_w.
* testsuite/tr1/5_numerical_facilies/random/mt19937.cc: Fix
expected result per tr1/5.1.5, p2.
* testsuite/tr1/5_numerical_facilies/random/mersenne_twister/
cons/default.cc: Adjust.
* include/tr1/random (exponential_distribution<>::operator()()): Fix.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@114412 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libstdc++-v3/include/tr1/random')
| -rw-r--r-- | libstdc++-v3/include/tr1/random | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libstdc++-v3/include/tr1/random b/libstdc++-v3/include/tr1/random index a4ec86e6a81..2d86cdbe154 100644 --- a/libstdc++-v3/include/tr1/random +++ b/libstdc++-v3/include/tr1/random @@ -493,7 +493,7 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1) void seed() - { seed(0UL); } + { seed(5489UL); } void seed(unsigned long value); @@ -1560,7 +1560,7 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1) template<class _UniformRandomNumberGenerator> result_type operator()(_UniformRandomNumberGenerator& __urng) - { return std::log(__urng) / _M_lambda; } + { return -std::log(__urng()) / _M_lambda; } /** * Inserts a %exponential_distribution random number distribution |
