22261613902

Committed 21 Feb 2026 06:02PM UTC coverage: 81.808% (+0.05%) from 81.763%

Build # 22261613902

Build Type

Pull #3474

github

Committed by

web-flow

Commit Message

Merge aea47008a into 139907c95

Pull Request Pull Request #3474: Support arbitrary symmetry axis for CylindricalIndependent class

Run Details

17351 of 24448 branches covered (70.97%)

Branch coverage included in aggregate %.

50 of 64 new or added lines in 2 files covered. (78.13%)

2915 existing lines in 63 files now uncovered.

57697 of 67289 relevant lines covered (85.75%)

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Source File
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97.01

/src/distribution_angle.cpp

#include "openmc/distribution_angle.h"

#include <cmath> // for abs, copysign

#include "openmc/tensor.h"

#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);
  tensor::Tensor<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
    tensor::View<double> xs = temp.slice(0, tensor::range(j, j + n));
    tensor::View<double> ps = temp.slice(1, tensor::range(j, j + n));
    tensor::View<double> cs = temp.slice(2, tensor::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).first;

  // 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 "openmc/tensor.h"
6
7	#include "openmc/endf.h"
8	#include "openmc/hdf5_interface.h"
9	#include "openmc/math_functions.h"
10	#include "openmc/random_lcg.h"
11	#include "openmc/search.h"
12	#include "openmc/vector.h" // for vector
13
14	namespace openmc {
15
16	//==============================================================================
17	// AngleDistribution implementation
18	//==============================================================================
19
20	AngleDistribution::AngleDistribution(hid_t group)	2,810,329✔
21	{
22	// Get incoming energies
23	read_dataset(group, "energy", energy_);	2,810,329✔
24	int n_energy = energy_.size();	2,810,329✔
25
26	// Get outgoing energy distribution data
27	vector<int> offsets;	2,810,329✔
28	vector<int> interp;	2,810,329✔
29	hid_t dset = open_dataset(group, "mu");	2,810,329✔
30	read_attribute(dset, "offsets", offsets);	2,810,329✔
31	read_attribute(dset, "interpolation", interp);	2,810,329✔
32	tensor::Tensor<double> temp;	2,810,329✔
33	read_dataset(dset, temp);	2,810,329✔
34	close_dataset(dset);	2,810,329✔
35
36	for (int i = 0; i < n_energy; ++i) {	27,073,926✔
37	// Determine number of outgoing energies
38	int j = offsets[i];	24,263,597✔
39	int n;
40	if (i < n_energy - 1) {	24,263,597✔
41	n = offsets[i + 1] - j;	21,453,268✔
42	} else {
43	n = temp.shape(1) - j;	2,810,329✔
44	}
45
46	// Create and initialize tabular distribution
47	tensor::View<double> xs = temp.slice(0, tensor::range(j, j + n));	24,263,597✔
48	tensor::View<double> ps = temp.slice(1, tensor::range(j, j + n));	24,263,597✔
49	tensor::View<double> cs = temp.slice(2, tensor::range(j, j + n));	24,263,597✔
50	vector<double> x {xs.begin(), xs.end()};	24,263,597✔
51	vector<double> p {ps.begin(), ps.end()};	24,263,597✔
52	vector<double> c {cs.begin(), cs.end()};	24,263,597✔
53
54	// To get answers that match ACE data, for now we still use the tabulated
55	// CDF values that were passed through to the HDF5 library. At a later
56	// time, we can remove the CDF values from the HDF5 library and
57	// reconstruct them using the PDF
58	Tabular* mudist =
59	new Tabular {x.data(), p.data(), n, int2interp(interp[i]), c.data()};	24,263,597✔
60
61	distribution_.emplace_back(mudist);	24,263,597✔
62	}	24,263,597✔
63	}	2,810,329✔
64
65	double AngleDistribution::sample(double E, uint64_t* seed) const	765,042,150✔
66	{
67	// Find energy bin and calculate interpolation factor
68	int i;
69	double r;
70	get_energy_index(energy_, E, i, r);	765,042,150✔
71
72	// Sample between the ith and (i+1)th bin
73	if (r > prn(seed))	765,042,150✔
74	++i;	315,394,046✔
75
76	// Sample i-th distribution
77	double mu = distribution_[i]->sample(seed).first;	765,042,150✔
78
79	// Make sure mu is in range [-1,1] and return
80	if (std::abs(mu) > 1.0)	765,042,150!
UNCOV 81	mu = std::copysign(1.0, mu);	×
82	return mu;	765,042,150✔
83	}
84
85	} // namespace openmc

openmc-dev / openmc / 22261613902

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