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random ray source update loop #90

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random ray source update loop #90

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14 changes: 7 additions & 7 deletions src/random_ray/flat_source_domain.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -112,19 +112,19 @@ void FlatSourceDomain::update_single_neutron_source(SourceRegionHandle& srh)
double density_mult = srh.density_mult();
if (material != MATERIAL_VOID) {
double inverse_k_eff = 1.0 / k_eff_;
int material_offset = material * negroups_;
int scatter_offset = material * negroups_ * negroups_;
for (int g_out = 0; g_out < negroups_; g_out++) {
double sigma_t = sigma_t_[material * negroups_ + g_out] * density_mult;
double sigma_t = sigma_t_[material_offset + g_out] * density_mult;
double scatter_source = 0.0;
double fission_source = 0.0;

for (int g_in = 0; g_in < negroups_; g_in++) {
double scalar_flux = srh.scalar_flux_old(g_in);
double sigma_s = sigma_s_[material * negroups_ * negroups_ +
g_out * negroups_ + g_in] *
density_mult;
double nu_sigma_f =
nu_sigma_f_[material * negroups_ + g_in] * density_mult;
double chi = chi_[material * negroups_ + g_out];
double sigma_s =
sigma_s_[scatter_offset + g_out * negroups_ + g_in] * density_mult;
double nu_sigma_f = nu_sigma_f_[material_offset + g_in] * density_mult;
double chi = chi_[material_offset + g_out];

scatter_source += sigma_s * scalar_flux;
if (settings::create_fission_neutrons) {
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