OpenMC/include/openmc/geometry.h
2024-01-16 10:35:57 -06:00

82 lines
3 KiB
C++

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