diff options
| author | Andrej Rode <mail@andrejro.de> | 2018-03-19 23:19:02 +0100 |
|---|---|---|
| committer | Marcus Müller <marcus.mueller@ettus.com> | 2018-03-30 16:51:31 +0200 |
| commit | 5f455396abe7da2ec96300c7b1ee31748f138752 (patch) | |
| tree | beebddd5fbb755db3231dc84b83bb725621d4789 /gnuradio-runtime/lib/math | |
| parent | 8ca68d846ba9e07ec1c43f106ebcedfdbeb46c91 (diff) | |
analog: remove std::time(0) seed from gr::random if 0 is selected
Instead the default seed implemented in boost::random is used by
calling seed() without arguments
Diffstat (limited to 'gnuradio-runtime/lib/math')
| -rw-r--r-- | gnuradio-runtime/lib/math/random.cc | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/gnuradio-runtime/lib/math/random.cc b/gnuradio-runtime/lib/math/random.cc index 401ba89735..af90a33429 100644 --- a/gnuradio-runtime/lib/math/random.cc +++ b/gnuradio-runtime/lib/math/random.cc @@ -73,9 +73,12 @@ namespace gr { void random::reseed(unsigned int seed) { - if(seed==0) d_seed = static_cast<unsigned int>(std::time(0)); - else d_seed = seed; - d_rng->seed(d_seed); + d_seed = seed; + if (d_seed == 0){ + d_rng->seed(); + } else { + d_rng->seed(d_seed); + } // reinstantiate generators. Otherwise reseed doesn't take effect. delete d_generator; d_generator = new boost::variate_generator<boost::mt19937&, boost::uniform_real<float> > (*d_rng,*d_uniform); // create number generator in [0,1) from boost.random |