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fixed repetitions in simple RNG for MPI

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This commit is contained in:
Oliver Hahn 2019-05-13 12:38:43 +02:00
parent a4c8c340d1
commit 9c0eac9e68
1 changed files with 3 additions and 0 deletions
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3
src/grid_fft.cc
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@ -9,6 +9,9 @@ template <typename data_t>
void Grid_FFT<data_t>::FillRandomReal( unsigned long int seed )
{
gsl_rng *RNG = gsl_rng_alloc(gsl_rng_mt19937);
#if defined(USE_MPI)
seed += 17321 * CONFIG::MPI_task_rank;
#endif
gsl_rng_set(RNG, seed);
for (size_t i = 0; i < sizes_[0]; ++i)