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24fdb84edc
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Co-authored-by: Paul Romano <paul.k.romano@gmail.com>
80 lines
No EOL
2.7 KiB
C++
80 lines
No EOL
2.7 KiB
C++
#include "openmc/tallies/filter_energy.h"
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#include "openmc/tallies/tally.h"
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#include <catch2/catch_test_macros.hpp>
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using namespace openmc;
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TEST_CASE("Test add/set_filter")
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{
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// create a new tally object
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Tally* tally = Tally::create();
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// create a new particle filter
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Filter* particle_filter = Filter::create("particle");
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// add the particle filter to the tally
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tally->add_filter(particle_filter);
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// the filter should be added to the tally
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REQUIRE(tally->filters().size() == 1);
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REQUIRE(model::filter_map[particle_filter->id()] == tally->filters(0));
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// add the particle filter to the tally again
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tally->add_filter(particle_filter);
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// the tally should have the same number of filters
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REQUIRE(tally->filters().size() == 1);
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// create a cell filter
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Filter* cell_filter = Filter::create("cell");
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tally->add_filter(cell_filter);
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// now the size of the filters should have increased
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REQUIRE(tally->filters().size() == 2);
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REQUIRE(model::filter_map[cell_filter->id()] == tally->filters(1));
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// if we set the filters explicitly there shouldn't be extra filters hanging
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// around
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tally->set_filters({&cell_filter, 1});
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REQUIRE(tally->filters().size() == 1);
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REQUIRE(model::filter_map[cell_filter->id()] == tally->filters(0));
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// set filters again using both filters
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std::vector<Filter*> filters = {cell_filter, particle_filter};
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tally->set_filters(filters);
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REQUIRE(tally->filters().size() == 2);
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REQUIRE(model::filter_map[cell_filter->id()] == tally->filters(0));
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REQUIRE(model::filter_map[particle_filter->id()] == tally->filters(1));
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// set filters with a duplicate filter, should only add the filter to the
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// tally once
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filters = {cell_filter, cell_filter};
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tally->set_filters(filters);
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REQUIRE(tally->filters().size() == 1);
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REQUIRE(model::filter_map[cell_filter->id()] == tally->filters(0));
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}
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// Regression test for 64-bit tally filter-bin counts (mesh x groups > 2^31).
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TEST_CASE("Tally filter-bin count does not overflow 32 bits")
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{
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// Two energy filters whose bin counts multiply to 2.5e9, above INT32_MAX.
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constexpr int64_t bins_per_filter = 50000;
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// Only the bin count matters here, so the edge values are an arbitrary ramp.
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std::vector<double> edges(bins_per_filter + 1);
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for (int64_t i = 0; i < bins_per_filter + 1; ++i)
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edges[i] = static_cast<double>(i);
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Tally* tally = Tally::create();
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for (int i = 0; i < 2; ++i) {
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Filter* filter = Filter::create("energy");
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dynamic_cast<EnergyFilter*>(filter)->set_bins(edges);
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tally->add_filter(filter);
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}
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tally->set_strides();
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// set_strides() previously accumulated this product in a 32-bit int.
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REQUIRE(tally->n_filter_bins() == bins_per_filter * bins_per_filter);
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REQUIRE(tally->n_filter_bins() > 2147483647);
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} |