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Generalize russian_roulette function

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This commit is contained in:
Paul Romano 2022-01-19 09:14:41 -06:00
parent f18caa1712
commit de50a7bfca
5 changed files with 18 additions and 23 deletions
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14
src/physics_common.cpp
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@ -9,15 +9,13 @@ namespace openmc {
// RUSSIAN_ROULETTE
//==============================================================================
void russian_roulette(Particle& p)
void russian_roulette(Particle& p, double weight_survive)
{
if (p.wgt() < settings::weight_cutoff) {
if (settings::weight_survive * prn(p.current_seed()) < p.wgt()) {
p.wgt() = settings::weight_survive;
} else {
p.wgt() = 0.;
p.alive() = false;
}
if (weight_survive * prn(p.current_seed()) < p.wgt()) {
p.wgt() = weight_survive;
} else {
p.wgt() = 0.;
p.alive() = false;
}
}