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80 lines
2.9 KiB
C++
80 lines
2.9 KiB
C++
#ifndef OPENMC_GEOMETRY_H
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#define OPENMC_GEOMETRY_H
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#include <cmath>
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#include <cstdint>
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#include "openmc/array.h"
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#include "openmc/constants.h"
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#include "openmc/vector.h"
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namespace openmc {
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class BoundaryInfo;
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class Particle;
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//==============================================================================
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// Global variables
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//==============================================================================
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namespace model {
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extern int root_universe; //!< Index of root universe
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extern "C" int n_coord_levels; //!< Number of CSG coordinate levels
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extern vector<int64_t> overlap_check_count;
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} // namespace model
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//==============================================================================
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//! Check two distances by coincidence tolerance
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//==============================================================================
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inline bool coincident(double d1, double d2)
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{
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return std::abs(d1 - d2) < FP_COINCIDENT;
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}
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//==============================================================================
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//! Check for overlapping cells at a particle's position.
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//==============================================================================
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bool check_cell_overlap(Particle& p, bool error = true);
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//==============================================================================
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//! Get the cell instance for a particle at the specified universe level
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//!
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//! \param p A particle for which to compute the instance using
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//! its coordinates
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//! \param level The level (zero indexed) of the geometry where the instance
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//! should be computed. \return The instance of the cell at the specified level.
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//==============================================================================
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int cell_instance_at_level(const Particle& p, int level);
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//==============================================================================
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//! Locate a particle in the geometry tree and set its geometry data fields.
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//!
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//! \param p A particle to be located. This function will populate the
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//! geometry-dependent data fields of the particle.
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//! \return True if the particle's location could be found and ascribed to a
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//! valid geometry coordinate stack.
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//==============================================================================
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bool exhaustive_find_cell(Particle& p);
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bool neighbor_list_find_cell(Particle& p); // Only usable on surface crossings
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//==============================================================================
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//! Move a particle into a new lattice tile.
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//==============================================================================
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void cross_lattice(Particle& p, const BoundaryInfo& boundary);
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//==============================================================================
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//! Find the next boundary a particle will intersect.
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//==============================================================================
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BoundaryInfo distance_to_boundary(Particle& p);
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} // namespace openmc
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#endif // OPENMC_GEOMETRY_H
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