20472454196

Committed 23 Dec 2025 09:56PM UTC coverage: 82.155% (+0.02%) from 82.139%

Build # 20472454196

Build Type

Pull #3692

github

Committed by

web-flow

Commit Message

Merge 064b0c3b2 into 3f06a42ab

Pull Request Pull Request #3692: Fix a bug in rotational periodic boundary conditions

Run Details

17067 of 23647 branches covered (72.17%)

Branch coverage included in aggregate %.

16 of 16 new or added lines in 2 files covered. (100.0%)

185 existing lines in 9 files now uncovered.

55183 of 64296 relevant lines covered (85.83%)

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Source File
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96.92

/src/distribution_angle.cpp

#include "openmc/distribution_angle.h"

#include <cmath> // for abs, copysign

#include "xtensor/xarray.hpp"
#include "xtensor/xview.hpp"

#include "openmc/endf.h"
#include "openmc/hdf5_interface.h"
#include "openmc/math_functions.h"
#include "openmc/random_lcg.h"
#include "openmc/search.h"
#include "openmc/vector.h" // for vector

namespace openmc {

//==============================================================================
// AngleDistribution implementation
//==============================================================================

AngleDistribution::AngleDistribution(hid_t group)
{
  // Get incoming energies
  read_dataset(group, "energy", energy_);
  int n_energy = energy_.size();

  // Get outgoing energy distribution data
  vector<int> offsets;
  vector<int> interp;
  hid_t dset = open_dataset(group, "mu");
  read_attribute(dset, "offsets", offsets);
  read_attribute(dset, "interpolation", interp);
  xt::xarray<double> temp;
  read_dataset(dset, temp);
  close_dataset(dset);

  for (int i = 0; i < n_energy; ++i) {
    // Determine number of outgoing energies
    int j = offsets[i];
    int n;
    if (i < n_energy - 1) {
      n = offsets[i + 1] - j;
    } else {
      n = temp.shape()[1] - j;
    }

    // Create and initialize tabular distribution
    auto xs = xt::view(temp, 0, xt::range(j, j + n));
    auto ps = xt::view(temp, 1, xt::range(j, j + n));
    auto cs = xt::view(temp, 2, xt::range(j, j + n));
    vector<double> x {xs.begin(), xs.end()};
    vector<double> p {ps.begin(), ps.end()};
    vector<double> c {cs.begin(), cs.end()};

    // To get answers that match ACE data, for now we still use the tabulated
    // CDF values that were passed through to the HDF5 library. At a later
    // time, we can remove the CDF values from the HDF5 library and
    // reconstruct them using the PDF
    Tabular* mudist =
      new Tabular {x.data(), p.data(), n, int2interp(interp[i]), c.data()};

    distribution_.emplace_back(mudist);
  }
}

double AngleDistribution::sample(double E, uint64_t* seed) const
{
  // Find energy bin and calculate interpolation factor
  int i;
  double r;
  get_energy_index(energy_, E, i, r);

  // Sample between the ith and (i+1)th bin
  if (r > prn(seed))
    ++i;

  // Sample i-th distribution
  double mu = distribution_[i]->sample(seed);

  // Make sure mu is in range [-1,1] and return
  if (std::abs(mu) > 1.0)
    mu = std::copysign(1.0, mu);
  return mu;
}

} // namespace openmc

1	#include "openmc/distribution_angle.h"
2
3	#include <cmath> // for abs, copysign
4
5	#include "xtensor/xarray.hpp"
6	#include "xtensor/xview.hpp"
7
8	#include "openmc/endf.h"
9	#include "openmc/hdf5_interface.h"
10	#include "openmc/math_functions.h"
11	#include "openmc/random_lcg.h"
12	#include "openmc/search.h"
13	#include "openmc/vector.h" // for vector
14
15	namespace openmc {
16
17	//==============================================================================
18	// AngleDistribution implementation
19	//==============================================================================
20
21	AngleDistribution::AngleDistribution(hid_t group)	2,973,490✔
22	{
23	// Get incoming energies
24	read_dataset(group, "energy", energy_);	2,973,490✔
25	int n_energy = energy_.size();	2,973,490✔
26
27	// Get outgoing energy distribution data
28	vector<int> offsets;	2,973,490✔
29	vector<int> interp;	2,973,490✔
30	hid_t dset = open_dataset(group, "mu");	2,973,490✔
31	read_attribute(dset, "offsets", offsets);	2,973,490✔
32	read_attribute(dset, "interpolation", interp);	2,973,490✔
33	xt::xarray<double> temp;	2,973,490✔
34	read_dataset(dset, temp);	2,973,490✔
35	close_dataset(dset);	2,973,490✔
36
37	for (int i = 0; i < n_energy; ++i) {	28,660,731✔
38	// Determine number of outgoing energies
39	int j = offsets[i];	25,687,241✔
40	int n;
41	if (i < n_energy - 1) {	25,687,241✔
42	n = offsets[i + 1] - j;	22,713,751✔
43	} else {
44	n = temp.shape()[1] - j;	2,973,490✔
45	}
46
47	// Create and initialize tabular distribution
48	auto xs = xt::view(temp, 0, xt::range(j, j + n));	25,687,241✔
49	auto ps = xt::view(temp, 1, xt::range(j, j + n));	25,687,241✔
50	auto cs = xt::view(temp, 2, xt::range(j, j + n));	25,687,241✔
51	vector<double> x {xs.begin(), xs.end()};	25,687,241✔
52	vector<double> p {ps.begin(), ps.end()};	25,687,241✔
53	vector<double> c {cs.begin(), cs.end()};	25,687,241✔
54
55	// To get answers that match ACE data, for now we still use the tabulated
56	// CDF values that were passed through to the HDF5 library. At a later
57	// time, we can remove the CDF values from the HDF5 library and
58	// reconstruct them using the PDF
59	Tabular* mudist =
60	new Tabular {x.data(), p.data(), n, int2interp(interp[i]), c.data()};	25,687,241✔
61
62	distribution_.emplace_back(mudist);	25,687,241✔
63	}	25,687,241✔
64	}	2,973,490✔
65
66	double AngleDistribution::sample(double E, uint64_t* seed) const	693,095,867✔
67	{
68	// Find energy bin and calculate interpolation factor
69	int i;
70	double r;
71	get_energy_index(energy_, E, i, r);	693,095,867✔
72
73	// Sample between the ith and (i+1)th bin
74	if (r > prn(seed))	693,095,867✔
75	++i;	281,210,271✔
76
77	// Sample i-th distribution
78	double mu = distribution_[i]->sample(seed);	693,095,867✔
79
80	// Make sure mu is in range [-1,1] and return
81	if (std::abs(mu) > 1.0)	693,095,867!
UNCOV 82	mu = std::copysign(1.0, mu);	×
83	return mu;	693,095,867✔
84	}
85
86	} // namespace openmc

openmc-dev / openmc / 20472454196

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