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added a minimum panphasia resolution
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2 changed files with 4 additions and 1 deletions
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@ -98,6 +98,7 @@ seed = 12345
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# generator = PANPHASIA
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# descriptor = [Panph1,L10,(800,224,576),S9,CH1564365824,MXXL]
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# PanphasiaMinRootResolution = 512 # requires the white noise reallisation to be made at least at that resolution (default is 512)
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##> The MUSIC1 multi-scale random number generator is provided for convenience
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## warning: MUSIC1 generator is not MPI parallel (yet) (memory is needed for full field on each task)
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@ -171,10 +171,12 @@ protected:
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{
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// if ngrid is not a multiple of i_base, then we need to enlarge and then sample down
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ngrid_ = pcf_->get_value<size_t>("setup", "GridRes");
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size_t ngidminsize_panphasia = pcf_->get_value_safe<size_t>("random", "PanphasiaMinRootResolution",512);
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grid_p_ = pdescriptor_->i_base;
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lextra_ = (log10((double)ngrid_ / (double)grid_p_) + 0.001) / log10(2.0);
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lextra_ = (log10((double)std::max(ngrid_,ngidminsize_panphasia) / (double)grid_p_) + 0.001) / log10(2.0);
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// lmin
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ngrid_panphasia_ = (1 << lextra_) * grid_p_;
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