13114782272

Committed 03 Feb 2025 01:38PM UTC coverage: 82.603% (-2.3%) from 84.867%

Build # 13114782272

Build Type

Pull #3087

github

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web-flow

Commit Message

Merge 258841139 into 59c398be8

Pull Request Pull Request #3087: wheel building with scikit build core

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81.9

/src/geometry.cpp

#include "openmc/geometry.h"

#include <fmt/core.h>
#include <fmt/ostream.h>

#include "openmc/array.h"
#include "openmc/cell.h"
#include "openmc/constants.h"
#include "openmc/error.h"
#include "openmc/lattice.h"
#include "openmc/settings.h"
#include "openmc/simulation.h"
#include "openmc/string_utils.h"
#include "openmc/surface.h"

namespace openmc {

//==============================================================================
// Global variables
//==============================================================================

namespace model {

int root_universe {-1};
int n_coord_levels;

vector<int64_t> overlap_check_count;

} // namespace model

//==============================================================================
// Non-member functions
//==============================================================================

bool check_cell_overlap(GeometryState& p, bool error)
{
  int n_coord = p.n_coord();

  // Loop through each coordinate level
  for (int j = 0; j < n_coord; j++) {
    Universe& univ = *model::universes[p.coord(j).universe];

    // Loop through each cell on this level
    for (auto index_cell : univ.cells_) {
      Cell& c = *model::cells[index_cell];
      if (c.contains(p.coord(j).r, p.coord(j).u, p.surface())) {
        if (index_cell != p.coord(j).cell) {
          if (error) {
            fatal_error(
              fmt::format("Overlapping cells detected: {}, {} on universe {}",
                c.id_, model::cells[p.coord(j).cell]->id_, univ.id_));
          }
          return true;
        }
#pragma omp atomic
        ++model::overlap_check_count[index_cell];
      }
    }
  }

  return false;
}

//==============================================================================

int cell_instance_at_level(const GeometryState& p, int level)
{
  // throw error if the requested level is too deep for the geometry
  if (level > model::n_coord_levels) {
    fatal_error(fmt::format("Cell instance at level {} requested, but only {} "
                            "levels exist in the geometry.",
      level, p.n_coord()));
  }

  // determine the cell instance
  Cell& c {*model::cells[p.coord(level).cell]};

  // quick exit if this cell doesn't have distribcell instances
  if (c.distribcell_index_ == C_NONE)
    return C_NONE;

  // compute the cell's instance
  int instance = 0;
  for (int i = 0; i < level; i++) {
    const auto& c_i {*model::cells[p.coord(i).cell]};
    if (c_i.type_ == Fill::UNIVERSE) {
      instance += c_i.offset_[c.distribcell_index_];
    } else if (c_i.type_ == Fill::LATTICE) {
      instance += c_i.offset_[c.distribcell_index_];
      auto& lat {*model::lattices[p.coord(i + 1).lattice]};
      const auto& i_xyz {p.coord(i + 1).lattice_i};
      if (lat.are_valid_indices(i_xyz)) {
        instance += lat.offset(c.distribcell_index_, i_xyz);
      }
    }
  }
  return instance;
}

//==============================================================================

bool find_cell_inner(
  GeometryState& p, const NeighborList* neighbor_list, bool verbose)
{
  // Find which cell of this universe the particle is in.  Use the neighbor list
  // to shorten the search if one was provided.
  bool found = false;
  int32_t i_cell = C_NONE;
  if (neighbor_list) {
    for (auto it = neighbor_list->cbegin(); it != neighbor_list->cend(); ++it) {
      i_cell = *it;

      // Make sure the search cell is in the same universe.
      int i_universe = p.lowest_coord().universe;
      if (model::cells[i_cell]->universe_ != i_universe)
        continue;

      // Check if this cell contains the particle.
      Position r {p.r_local()};
      Direction u {p.u_local()};
      auto surf = p.surface();
      if (model::cells[i_cell]->contains(r, u, surf)) {
        p.lowest_coord().cell = i_cell;
        found = true;
        break;
      }
    }

    // If we're attempting a neighbor list search and fail, we
    // now know we should return false. This will trigger an
    // exhaustive search from neighbor_list_find_cell and make
    // the result from that be appended to the neighbor list.
    if (!found) {
      return found;
    }
  }

  // Check successively lower coordinate levels until finding material fill
  for (;; ++p.n_coord()) {
    // If we did not attempt to use neighbor lists, i_cell is still C_NONE.  In
    // that case, we should now do an exhaustive search to find the right value
    // of i_cell.
    //
    // Alternatively, neighbor list searches could have succeeded, but we found
    // that the fill of the neighbor cell was another universe. As such, in the
    // code below this conditional, we set i_cell back to C_NONE to indicate
    // that.
    if (i_cell == C_NONE) {
      int i_universe = p.lowest_coord().universe;
      const auto& univ {model::universes[i_universe]};
      found = univ->find_cell(p);
    }

    if (!found) {
      return found;
    }
    i_cell = p.lowest_coord().cell;

    // Announce the cell that the particle is entering.
    if (found && verbose) {
      auto msg = fmt::format("    Entering cell {}", model::cells[i_cell]->id_);
      write_message(msg, 1);
    }

    Cell& c {*model::cells[i_cell]};
    if (c.type_ == Fill::MATERIAL) {
      // Found a material cell which means this is the lowest coord level.

      p.cell_instance() = 0;
      // Find the distribcell instance number.
      if (c.distribcell_index_ >= 0) {
        p.cell_instance() = cell_instance_at_level(p, p.n_coord() - 1);
      }

      // Set the material and temperature.
      p.material_last() = p.material();
      p.material() = c.material(p.cell_instance());
      p.sqrtkT_last() = p.sqrtkT();
      p.sqrtkT() = c.sqrtkT(p.cell_instance());

      return true;

    } else if (c.type_ == Fill::UNIVERSE) {
      //========================================================================
      //! Found a lower universe, update this coord level then search the next.

      // Set the lower coordinate level universe.
      auto& coord {p.coord(p.n_coord())};
      coord.universe = c.fill_;

      // Set the position and direction.
      coord.r = p.r_local();
      coord.u = p.u_local();

      // Apply translation.
      coord.r -= c.translation_;

      // Apply rotation.
      if (!c.rotation_.empty()) {
        coord.rotate(c.rotation_);
      }

    } else if (c.type_ == Fill::LATTICE) {
      //========================================================================
      //! Found a lower lattice, update this coord level then search the next.

      Lattice& lat {*model::lattices[c.fill_]};

      // Set the position and direction.
      auto& coord {p.coord(p.n_coord())};
      coord.r = p.r_local();
      coord.u = p.u_local();

      // Apply translation.
      coord.r -= c.translation_;

      // Apply rotation.
      if (!c.rotation_.empty()) {
        coord.rotate(c.rotation_);
      }

      // Determine lattice indices.
      auto& i_xyz {coord.lattice_i};
      lat.get_indices(coord.r, coord.u, i_xyz);

      // Get local position in appropriate lattice cell
      coord.r = lat.get_local_position(coord.r, i_xyz);

      // Set lattice indices.
      coord.lattice = c.fill_;

      // Set the lower coordinate level universe.
      if (lat.are_valid_indices(i_xyz)) {
        coord.universe = lat[i_xyz];
      } else {
        if (lat.outer_ != NO_OUTER_UNIVERSE) {
          coord.universe = lat.outer_;
        } else {
          p.mark_as_lost(fmt::format(
            "Particle {} left lattice {}, but it has no outer definition.",
            p.id(), lat.id_));
        }
      }
    }
    i_cell = C_NONE; // trip non-neighbor cell search at next iteration
    found = false;
  }

  return found;
}

//==============================================================================

bool neighbor_list_find_cell(GeometryState& p, bool verbose)
{

  // Reset all the deeper coordinate levels.
  for (int i = p.n_coord(); i < model::n_coord_levels; i++) {
    p.coord(i).reset();
  }

  // Get the cell this particle was in previously.
  auto coord_lvl = p.n_coord() - 1;
  auto i_cell = p.coord(coord_lvl).cell;
  Cell& c {*model::cells[i_cell]};

  // Search for the particle in that cell's neighbor list.  Return if we
  // found the particle.
  bool found = find_cell_inner(p, &c.neighbors_, verbose);
  if (found)
    return found;

  // The particle could not be found in the neighbor list.  Try searching all
  // cells in this universe, and update the neighbor list if we find a new
  // neighboring cell.
  found = find_cell_inner(p, nullptr, verbose);
  if (found)
    c.neighbors_.push_back(p.coord(coord_lvl).cell);
  return found;
}

bool exhaustive_find_cell(GeometryState& p, bool verbose)
{
  int i_universe = p.lowest_coord().universe;
  if (i_universe == C_NONE) {
    p.coord(0).universe = model::root_universe;
    p.n_coord() = 1;
    i_universe = model::root_universe;
  }
  // Reset all the deeper coordinate levels.
  for (int i = p.n_coord(); i < model::n_coord_levels; i++) {
    p.coord(i).reset();
  }
  return find_cell_inner(p, nullptr, verbose);
}

//==============================================================================

void cross_lattice(GeometryState& p, const BoundaryInfo& boundary, bool verbose)
{
  auto& coord {p.lowest_coord()};
  auto& lat {*model::lattices[coord.lattice]};

  if (verbose) {
    write_message(
      fmt::format("    Crossing lattice {}. Current position ({},{},{}). r={}",
        lat.id_, coord.lattice_i[0], coord.lattice_i[1], coord.lattice_i[2],
        p.r()),
      1);
  }

  // Set the lattice indices.
  coord.lattice_i[0] += boundary.lattice_translation[0];
  coord.lattice_i[1] += boundary.lattice_translation[1];
  coord.lattice_i[2] += boundary.lattice_translation[2];

  // Set the new coordinate position.
  const auto& upper_coord {p.coord(p.n_coord() - 2)};
  const auto& cell {model::cells[upper_coord.cell]};
  Position r = upper_coord.r;
  r -= cell->translation_;
  if (!cell->rotation_.empty()) {
    r = r.rotate(cell->rotation_);
  }
  p.r_local() = lat.get_local_position(r, coord.lattice_i);

  if (!lat.are_valid_indices(coord.lattice_i)) {
    // The particle is outside the lattice.  Search for it from the base coords.
    p.n_coord() = 1;
    bool found = exhaustive_find_cell(p);

    if (!found) {
      p.mark_as_lost(fmt::format("Particle {} could not be located after "
                                 "crossing a boundary of lattice {}",
        p.id(), lat.id_));
    }

  } else {
    // Find cell in next lattice element.
    p.lowest_coord().universe = lat[coord.lattice_i];
    bool found = exhaustive_find_cell(p);

    if (!found) {
      // A particle crossing the corner of a lattice tile may not be found.  In
      // this case, search for it from the base coords.
      p.n_coord() = 1;
      bool found = exhaustive_find_cell(p);
      if (!found) {
        p.mark_as_lost(fmt::format("Particle {} could not be located after "
                                   "crossing a boundary of lattice {}",
          p.id(), lat.id_));
      }
    }
  }
}

//==============================================================================

BoundaryInfo distance_to_boundary(GeometryState& p)
{
  BoundaryInfo info;
  double d_lat = INFINITY;
  double d_surf = INFINITY;
  int32_t level_surf_cross;
  array<int, 3> level_lat_trans {};

  // Loop over each coordinate level.
  for (int i = 0; i < p.n_coord(); i++) {
    const auto& coord {p.coord(i)};
    const Position& r {coord.r};
    const Direction& u {coord.u};
    Cell& c {*model::cells[coord.cell]};

    // Find the oncoming surface in this cell and the distance to it.
    auto surface_distance = c.distance(r, u, p.surface(), &p);
    d_surf = surface_distance.first;
    level_surf_cross = surface_distance.second;

    // Find the distance to the next lattice tile crossing.
    if (coord.lattice != C_NONE) {
      auto& lat {*model::lattices[coord.lattice]};
      // TODO: refactor so both lattice use the same position argument (which
      // also means the lat.type attribute can be removed)
      std::pair<double, array<int, 3>> lattice_distance;
      switch (lat.type_) {
      case LatticeType::rect:
        lattice_distance = lat.distance(r, u, coord.lattice_i);
        break;
      case LatticeType::hex:
        auto& cell_above {model::cells[p.coord(i - 1).cell]};
        Position r_hex {p.coord(i - 1).r};
        r_hex -= cell_above->translation_;
        if (coord.rotated) {
          r_hex = r_hex.rotate(cell_above->rotation_);
        }
        r_hex.z = coord.r.z;
        lattice_distance = lat.distance(r_hex, u, coord.lattice_i);
        break;
      }
      d_lat = lattice_distance.first;
      level_lat_trans = lattice_distance.second;

      if (d_lat < 0) {
        p.mark_as_lost(fmt::format("Particle {} had a negative distance "
                                   "to a lattice boundary.",
          p.id()));
      }
    }

    // If the boundary on this coordinate level is coincident with a boundary on
    // a higher level then we need to make sure that the higher level boundary
    // is selected.  This logic must consider floating point precision.
    double& d = info.distance;
    if (d_surf < d_lat - FP_COINCIDENT) {
      if (d == INFINITY || (d - d_surf) / d >= FP_REL_PRECISION) {
        // Update closest distance
        d = d_surf;

        // If the cell is not simple, it is possible that both the negative and
        // positive half-space were given in the region specification. Thus, we
        // have to explicitly check which half-space the particle would be
        // traveling into if the surface is crossed
        if (c.is_simple() || d == INFTY) {
          info.surface = level_surf_cross;
        } else {
          Position r_hit = r + d_surf * u;
          Surface& surf {*model::surfaces[std::abs(level_surf_cross) - 1]};
          Direction norm = surf.normal(r_hit);
          if (u.dot(norm) > 0) {
            info.surface = std::abs(level_surf_cross);
          } else {
            info.surface = -std::abs(level_surf_cross);
          }
        }

        info.lattice_translation[0] = 0;
        info.lattice_translation[1] = 0;
        info.lattice_translation[2] = 0;
        info.coord_level = i + 1;
      }
    } else {
      if (d == INFINITY || (d - d_lat) / d >= FP_REL_PRECISION) {
        d = d_lat;
        info.surface = SURFACE_NONE;
        info.lattice_translation = level_lat_trans;
        info.coord_level = i + 1;
      }
    }
  }
  return info;
}

//==============================================================================
// C API
//==============================================================================

extern "C" int openmc_find_cell(
  const double* xyz, int32_t* index, int32_t* instance)
{
  GeometryState geom_state;

  geom_state.r() = Position {xyz};
  geom_state.u() = {0.0, 0.0, 1.0};

  if (!exhaustive_find_cell(geom_state)) {
    set_errmsg(
      fmt::format("Could not find cell at position {}.", geom_state.r()));
    return OPENMC_E_GEOMETRY;
  }

  *index = geom_state.lowest_coord().cell;
  *instance = geom_state.cell_instance();
  return 0;
}

extern "C" int openmc_global_bounding_box(double* llc, double* urc)
{
  auto bbox = model::universes.at(model::root_universe)->bounding_box();

  // set lower left corner values
  llc[0] = bbox.xmin;
  llc[1] = bbox.ymin;
  llc[2] = bbox.zmin;

  // set upper right corner values
  urc[0] = bbox.xmax;
  urc[1] = bbox.ymax;
  urc[2] = bbox.zmax;

  return 0;
}

} // namespace openmc

1	#include "openmc/geometry.h"
2
3	#include <fmt/core.h>
4	#include <fmt/ostream.h>
5
6	#include "openmc/array.h"
7	#include "openmc/cell.h"
8	#include "openmc/constants.h"
9	#include "openmc/error.h"
10	#include "openmc/lattice.h"
11	#include "openmc/settings.h"
12	#include "openmc/simulation.h"
13	#include "openmc/string_utils.h"
14	#include "openmc/surface.h"
15
16	namespace openmc {
17
18	//==============================================================================
19	// Global variables
20	//==============================================================================
21
22	namespace model {
23
24	int root_universe {-1};
25	int n_coord_levels;
26
27	vector<int64_t> overlap_check_count;
28
29	} // namespace model
30
31	//==============================================================================
32	// Non-member functions
33	//==============================================================================
34
35	bool check_cell_overlap(GeometryState& p, bool error)	960,000✔
36	{
37	int n_coord = p.n_coord();	960,000✔
38
39	// Loop through each coordinate level
40	for (int j = 0; j < n_coord; j++) {	1,889,184✔
41	Universe& univ = *model::universes[p.coord(j).universe];	960,000✔
42
43	// Loop through each cell on this level
44	for (auto index_cell : univ.cells_) {	3,809,184✔
45	Cell& c = *model::cells[index_cell];	2,880,000✔
46	if (c.contains(p.coord(j).r, p.coord(j).u, p.surface())) {	2,880,000✔
47	if (index_cell != p.coord(j).cell) {	608,952✔
48	if (error) {	30,816✔
49	fatal_error(	×
50	fmt::format("Overlapping cells detected: {}, {} on universe {}",	×
51	c.id_, model::cells[p.coord(j).cell]->id_, univ.id_));	×
52	}
53	return true;	30,816✔
54	}
55	#pragma omp atomic	289,068✔
56	++model::overlap_check_count[index_cell];	578,136✔
57	}
58	}
59	}
60
61	return false;	929,184✔
62	}
63
64	//==============================================================================
65
66	int cell_instance_at_level(const GeometryState& p, int level)	1,298,770,870✔
67	{
68	// throw error if the requested level is too deep for the geometry
69	if (level > model::n_coord_levels) {	1,298,770,870✔
70	fatal_error(fmt::format("Cell instance at level {} requested, but only {} "	×
71	"levels exist in the geometry.",
72	level, p.n_coord()));
73	}
74
75	// determine the cell instance
76	Cell& c {*model::cells[p.coord(level).cell]};	1,298,770,870✔
77
78	// quick exit if this cell doesn't have distribcell instances
79	if (c.distribcell_index_ == C_NONE)	1,298,770,870✔
80	return C_NONE;	×
81
82	// compute the cell's instance
83	int instance = 0;	1,298,770,870✔
84	for (int i = 0; i < level; i++) {	2,147,483,647✔
85	const auto& c_i {*model::cells[p.coord(i).cell]};	921,687,182✔
86	if (c_i.type_ == Fill::UNIVERSE) {	921,687,182✔
87	instance += c_i.offset_[c.distribcell_index_];	338,468,788✔
88	} else if (c_i.type_ == Fill::LATTICE) {	583,218,394✔
89	instance += c_i.offset_[c.distribcell_index_];	583,218,394✔
90	auto& lat {*model::lattices[p.coord(i + 1).lattice]};	583,218,394✔
91	const auto& i_xyz {p.coord(i + 1).lattice_i};	583,218,394✔
92	if (lat.are_valid_indices(i_xyz)) {	583,218,394✔
93	instance += lat.offset(c.distribcell_index_, i_xyz);	577,888,294✔
94	}
95	}
96	}
97	return instance;	1,298,770,870✔
98	}
99
100	//==============================================================================
101
102	bool find_cell_inner(	1,477,613,899✔
103	GeometryState& p, const NeighborList* neighbor_list, bool verbose)
104	{
105	// Find which cell of this universe the particle is in. Use the neighbor list
106	// to shorten the search if one was provided.
107	bool found = false;	1,477,613,899✔
108	int32_t i_cell = C_NONE;	1,477,613,899✔
109	if (neighbor_list) {	1,477,613,899✔
110	for (auto it = neighbor_list->cbegin(); it != neighbor_list->cend(); ++it) {	876,586,657✔
111	i_cell = *it;	876,530,683✔
112
113	// Make sure the search cell is in the same universe.
114	int i_universe = p.lowest_coord().universe;	876,530,683✔
115	if (model::cells[i_cell]->universe_ != i_universe)	876,530,683✔
116	continue;	×
117
118	// Check if this cell contains the particle.
119	Position r {p.r_local()};	876,530,683✔
120	Direction u {p.u_local()};	876,530,683✔
121	auto surf = p.surface();	876,530,683✔
122	if (model::cells[i_cell]->contains(r, u, surf)) {	876,530,683✔
123	p.lowest_coord().cell = i_cell;	739,299,267✔
124	found = true;	739,299,267✔
125	break;	739,299,267✔
126	}
127	}
128
129	// If we're attempting a neighbor list search and fail, we
130	// now know we should return false. This will trigger an
131	// exhaustive search from neighbor_list_find_cell and make
132	// the result from that be appended to the neighbor list.
133	if (!found) {	739,355,241✔
134	return found;	55,974✔
135	}
136	}
137
138	// Check successively lower coordinate levels until finding material fill
139	for (;; ++p.n_coord()) {	317,951,258✔
140	// If we did not attempt to use neighbor lists, i_cell is still C_NONE. In
141	// that case, we should now do an exhaustive search to find the right value
142	// of i_cell.
143	//
144	// Alternatively, neighbor list searches could have succeeded, but we found
145	// that the fill of the neighbor cell was another universe. As such, in the
146	// code below this conditional, we set i_cell back to C_NONE to indicate
147	// that.
148	if (i_cell == C_NONE) {	1,636,533,554✔
149	int i_universe = p.lowest_coord().universe;	897,234,287✔
150	const auto& univ {model::universes[i_universe]};	897,234,287✔
151	found = univ->find_cell(p);	897,234,287✔
152	}
153
154	if (!found) {	1,636,533,554✔
155	return found;	180,869,412✔
156	}
157	i_cell = p.lowest_coord().cell;	1,455,664,142✔
158
159	// Announce the cell that the particle is entering.
160	if (found && verbose) {	1,455,664,142✔
161	auto msg = fmt::format(" Entering cell {}", model::cells[i_cell]->id_);	×
162	write_message(msg, 1);	×
163	}
164
165	Cell& c {*model::cells[i_cell]};	1,455,664,142✔
166	if (c.type_ == Fill::MATERIAL) {	1,455,664,142✔
167	// Found a material cell which means this is the lowest coord level.
168
169	p.cell_instance() = 0;	1,296,688,513✔
170	// Find the distribcell instance number.
171	if (c.distribcell_index_ >= 0) {	1,296,688,513✔
172	p.cell_instance() = cell_instance_at_level(p, p.n_coord() - 1);	1,296,687,910✔
173	}
174
175	// Set the material and temperature.
176	p.material_last() = p.material();	1,296,688,513✔
177	p.material() = c.material(p.cell_instance());	1,296,688,513✔
178	p.sqrtkT_last() = p.sqrtkT();	1,296,688,513✔
179	p.sqrtkT() = c.sqrtkT(p.cell_instance());	1,296,688,513✔
180
181	return true;	1,296,688,513✔
182
183	} else if (c.type_ == Fill::UNIVERSE) {	158,975,629✔
184	//========================================================================
185	//! Found a lower universe, update this coord level then search the next.
186
187	// Set the lower coordinate level universe.
188	auto& coord {p.coord(p.n_coord())};	94,236,400✔
189	coord.universe = c.fill_;	94,236,400✔
190
191	// Set the position and direction.
192	coord.r = p.r_local();	94,236,400✔
193	coord.u = p.u_local();	94,236,400✔
194
195	// Apply translation.
196	coord.r -= c.translation_;	94,236,400✔
197
198	// Apply rotation.
199	if (!c.rotation_.empty()) {	94,236,400✔
200	coord.rotate(c.rotation_);	2,388,120✔
201	}
202
203	} else if (c.type_ == Fill::LATTICE) {	64,739,229✔
204	//========================================================================
205	//! Found a lower lattice, update this coord level then search the next.
206
207	Lattice& lat {*model::lattices[c.fill_]};	64,739,229✔
208
209	// Set the position and direction.
210	auto& coord {p.coord(p.n_coord())};	64,739,229✔
211	coord.r = p.r_local();	64,739,229✔
212	coord.u = p.u_local();	64,739,229✔
213
214	// Apply translation.
215	coord.r -= c.translation_;	64,739,229✔
216
217	// Apply rotation.
218	if (!c.rotation_.empty()) {	64,739,229✔
219	coord.rotate(c.rotation_);	386,748✔
220	}
221
222	// Determine lattice indices.
223	auto& i_xyz {coord.lattice_i};	64,739,229✔
224	lat.get_indices(coord.r, coord.u, i_xyz);	64,739,229✔
225
226	// Get local position in appropriate lattice cell
227	coord.r = lat.get_local_position(coord.r, i_xyz);	64,739,229✔
228
229	// Set lattice indices.
230	coord.lattice = c.fill_;	64,739,229✔
231
232	// Set the lower coordinate level universe.
233	if (lat.are_valid_indices(i_xyz)) {	64,739,229✔
234	coord.universe = lat[i_xyz];	59,409,129✔
235	} else {
236	if (lat.outer_ != NO_OUTER_UNIVERSE) {	5,330,100✔
237	coord.universe = lat.outer_;	5,330,100✔
238	} else {
239	p.mark_as_lost(fmt::format(	×
240	"Particle {} left lattice {}, but it has no outer definition.",
241	p.id(), lat.id_));	×
242	}
243	}
244	}
245	i_cell = C_NONE; // trip non-neighbor cell search at next iteration	158,975,629✔
246	found = false;	158,975,629✔
247	}	158,975,629✔
248
249	return found;
250	}
251
252	//==============================================================================
253
254	bool neighbor_list_find_cell(GeometryState& p, bool verbose)	739,355,241✔
255	{
256
257	// Reset all the deeper coordinate levels.
258	for (int i = p.n_coord(); i < model::n_coord_levels; i++) {	972,558,917✔
259	p.coord(i).reset();	233,203,676✔
260	}
261
262	// Get the cell this particle was in previously.
263	auto coord_lvl = p.n_coord() - 1;	739,355,241✔
264	auto i_cell = p.coord(coord_lvl).cell;	739,355,241✔
265	Cell& c {*model::cells[i_cell]};	739,355,241✔
266
267	// Search for the particle in that cell's neighbor list. Return if we
268	// found the particle.
269	bool found = find_cell_inner(p, &c.neighbors_, verbose);	739,355,241✔
270	if (found)	739,355,241✔
271	return found;	739,299,267✔
272
273	// The particle could not be found in the neighbor list. Try searching all
274	// cells in this universe, and update the neighbor list if we find a new
275	// neighboring cell.
276	found = find_cell_inner(p, nullptr, verbose);	55,974✔
277	if (found)	55,974✔
278	c.neighbors_.push_back(p.coord(coord_lvl).cell);	25,406✔
279	return found;	55,974✔
280	}
281
282	bool exhaustive_find_cell(GeometryState& p, bool verbose)	738,202,684✔
283	{
284	int i_universe = p.lowest_coord().universe;	738,202,684✔
285	if (i_universe == C_NONE) {	738,202,684✔
286	p.coord(0).universe = model::root_universe;	233,560,436✔
287	p.n_coord() = 1;	233,560,436✔
288	i_universe = model::root_universe;	233,560,436✔
289	}
290	// Reset all the deeper coordinate levels.
291	for (int i = p.n_coord(); i < model::n_coord_levels; i++) {	787,194,337✔
292	p.coord(i).reset();	48,991,653✔
293	}
294	return find_cell_inner(p, nullptr, verbose);	738,202,684✔
295	}
296
297	//==============================================================================
298
299	void cross_lattice(GeometryState& p, const BoundaryInfo& boundary, bool verbose)	277,540,876✔
300	{
301	auto& coord {p.lowest_coord()};	277,540,876✔
302	auto& lat {*model::lattices[coord.lattice]};	277,540,876✔
303
304	if (verbose) {	277,540,876✔
305	write_message(	×
306	fmt::format(" Crossing lattice {}. Current position ({},{},{}). r={}",	×
307	lat.id_, coord.lattice_i[0], coord.lattice_i[1], coord.lattice_i[2],	×
308	p.r()),
309	1);
310	}
311
312	// Set the lattice indices.
313	coord.lattice_i[0] += boundary.lattice_translation[0];	277,540,876✔
314	coord.lattice_i[1] += boundary.lattice_translation[1];	277,540,876✔
315	coord.lattice_i[2] += boundary.lattice_translation[2];	277,540,876✔
316
317	// Set the new coordinate position.
318	const auto& upper_coord {p.coord(p.n_coord() - 2)};	277,540,876✔
319	const auto& cell {model::cells[upper_coord.cell]};	277,540,876✔
320	Position r = upper_coord.r;	277,540,876✔
321	r -= cell->translation_;	277,540,876✔
322	if (!cell->rotation_.empty()) {	277,540,876✔
323	r = r.rotate(cell->rotation_);	513,780✔
324	}
325	p.r_local() = lat.get_local_position(r, coord.lattice_i);	277,540,876✔
326
327	if (!lat.are_valid_indices(coord.lattice_i)) {	277,540,876✔
328	// The particle is outside the lattice. Search for it from the base coords.
329	p.n_coord() = 1;	4,064,844✔
330	bool found = exhaustive_find_cell(p);	4,064,844✔
331
332	if (!found) {	4,064,844✔
333	p.mark_as_lost(fmt::format("Particle {} could not be located after "	×
334	"crossing a boundary of lattice {}",
335	p.id(), lat.id_));	×
336	}
337
338	} else {
339	// Find cell in next lattice element.
340	p.lowest_coord().universe = lat[coord.lattice_i];	273,476,032✔
341	bool found = exhaustive_find_cell(p);	273,476,032✔
342
343	if (!found) {	273,476,032✔
344	// A particle crossing the corner of a lattice tile may not be found. In
345	// this case, search for it from the base coords.
346	p.n_coord() = 1;	×
347	bool found = exhaustive_find_cell(p);	×
348	if (!found) {	×
349	p.mark_as_lost(fmt::format("Particle {} could not be located after "	×
350	"crossing a boundary of lattice {}",
351	p.id(), lat.id_));	×
352	}
353	}
354	}
355	}	277,540,876✔
356
357	//==============================================================================
358
359	BoundaryInfo distance_to_boundary(GeometryState& p)	2,147,483,647✔
360	{
361	BoundaryInfo info;	2,147,483,647✔
362	double d_lat = INFINITY;	2,147,483,647✔
363	double d_surf = INFINITY;	2,147,483,647✔
364	int32_t level_surf_cross;
365	array<int, 3> level_lat_trans {};	2,147,483,647✔
366
367	// Loop over each coordinate level.
368	for (int i = 0; i < p.n_coord(); i++) {	2,147,483,647✔
369	const auto& coord {p.coord(i)};	2,147,483,647✔
370	const Position& r {coord.r};	2,147,483,647✔
371	const Direction& u {coord.u};	2,147,483,647✔
372	Cell& c {*model::cells[coord.cell]};	2,147,483,647✔
373
374	// Find the oncoming surface in this cell and the distance to it.
375	auto surface_distance = c.distance(r, u, p.surface(), &p);	2,147,483,647✔
376	d_surf = surface_distance.first;	2,147,483,647✔
377	level_surf_cross = surface_distance.second;	2,147,483,647✔
378
379	// Find the distance to the next lattice tile crossing.
380	if (coord.lattice != C_NONE) {	2,147,483,647✔
381	auto& lat {*model::lattices[coord.lattice]};	615,956,400✔
382	// TODO: refactor so both lattice use the same position argument (which
383	// also means the lat.type attribute can be removed)
384	std::pair<double, array<int, 3>> lattice_distance;	615,956,400✔
385	switch (lat.type_) {	615,956,400✔
386	case LatticeType::rect:	523,232,388✔
387	lattice_distance = lat.distance(r, u, coord.lattice_i);	523,232,388✔
388	break;	523,232,388✔
389	case LatticeType::hex:	92,724,012✔
390	auto& cell_above {model::cells[p.coord(i - 1).cell]};	92,724,012✔
391	Position r_hex {p.coord(i - 1).r};	92,724,012✔
392	r_hex -= cell_above->translation_;	92,724,012✔
393	if (coord.rotated) {	92,724,012✔
394	r_hex = r_hex.rotate(cell_above->rotation_);	743,364✔
395	}
396	r_hex.z = coord.r.z;	92,724,012✔
397	lattice_distance = lat.distance(r_hex, u, coord.lattice_i);	92,724,012✔
398	break;	92,724,012✔
399	}
400	d_lat = lattice_distance.first;	615,956,400✔
401	level_lat_trans = lattice_distance.second;	615,956,400✔
402
403	if (d_lat < 0) {	615,956,400✔
404	p.mark_as_lost(fmt::format("Particle {} had a negative distance "	×
405	"to a lattice boundary.",
406	p.id()));	×
407	}
408	}
409
410	// If the boundary on this coordinate level is coincident with a boundary on
411	// a higher level then we need to make sure that the higher level boundary
412	// is selected. This logic must consider floating point precision.
413	double& d = info.distance;	2,147,483,647✔
414	if (d_surf < d_lat - FP_COINCIDENT) {	2,147,483,647✔
415	if (d == INFINITY \|\| (d - d_surf) / d >= FP_REL_PRECISION) {	2,147,483,647✔
416	// Update closest distance
417	d = d_surf;	2,147,483,647✔
418
419	// If the cell is not simple, it is possible that both the negative and
420	// positive half-space were given in the region specification. Thus, we
421	// have to explicitly check which half-space the particle would be
422	// traveling into if the surface is crossed
423	if (c.is_simple() \|\| d == INFTY) {	2,147,483,647✔
424	info.surface = level_surf_cross;	2,147,483,647✔
425	} else {
426	Position r_hit = r + d_surf * u;	13,386,763✔
427	Surface& surf {*model::surfaces[std::abs(level_surf_cross) - 1]};	13,386,763✔
428	Direction norm = surf.normal(r_hit);	13,386,763✔
429	if (u.dot(norm) > 0) {	13,386,763✔
430	info.surface = std::abs(level_surf_cross);	6,634,366✔
431	} else {
432	info.surface = -std::abs(level_surf_cross);	6,752,397✔
433	}
434	}
435
436	info.lattice_translation[0] = 0;	2,147,483,647✔
437	info.lattice_translation[1] = 0;	2,147,483,647✔
438	info.lattice_translation[2] = 0;	2,147,483,647✔
439	info.coord_level = i + 1;	2,147,483,647✔
440	}
441	} else {
442	if (d == INFINITY \|\| (d - d_lat) / d >= FP_REL_PRECISION) {	478,964,878✔
443	d = d_lat;	362,192,854✔
444	info.surface = SURFACE_NONE;	362,192,854✔
445	info.lattice_translation = level_lat_trans;	362,192,854✔
446	info.coord_level = i + 1;	362,192,854✔
447	}
448	}
449	}
450	return info;	2,147,483,647✔
451	}
452
453	//==============================================================================
454	// C API
455	//==============================================================================
456
457	extern "C" int openmc_find_cell(	×
458	const double* xyz, int32_t* index, int32_t* instance)
459	{
460	GeometryState geom_state;	×
461
462	geom_state.r() = Position {xyz};	×
463	geom_state.u() = {0.0, 0.0, 1.0};	×
464
465	if (!exhaustive_find_cell(geom_state)) {	×
466	set_errmsg(	×
467	fmt::format("Could not find cell at position {}.", geom_state.r()));	×
468	return OPENMC_E_GEOMETRY;	×
469	}
470
471	*index = geom_state.lowest_coord().cell;	×
472	*instance = geom_state.cell_instance();	×
473	return 0;	×
474	}
475
476	extern "C" int openmc_global_bounding_box(double* llc, double* urc)	×
477	{
478	auto bbox = model::universes.at(model::root_universe)->bounding_box();	×
479
480	// set lower left corner values
481	llc[0] = bbox.xmin;	×
482	llc[1] = bbox.ymin;	×
483	llc[2] = bbox.zmin;	×
484
485	// set upper right corner values
486	urc[0] = bbox.xmax;	×
487	urc[1] = bbox.ymax;	×
488	urc[2] = bbox.zmax;	×
489
490	return 0;	×
491	}
492
493	} // namespace openmc

openmc-dev / openmc / 13114782272

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