17475377863

Committed 04 Sep 2025 08:05PM UTC coverage: 84.707% (-0.5%) from 85.209%

Build # 17475377863

Build Type

Pull #3550

github

Committed by

web-flow

Commit Message

Merge ff83fc4b9 into 591856472

Pull Request Pull Request #3550: [Point Detector] Add distribution get_pdf functionality

Run Details

0 of 370 new or added lines in 10 files covered. (0.0%)

3 existing lines in 1 file now uncovered.

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85.71

/src/distribution_multi.cpp

#include "openmc/distribution_multi.h"

#include <algorithm> // for move
#include <cmath>     // for sqrt, sin, cos, max

#include "openmc/constants.h"
#include "openmc/error.h"
#include "openmc/math_functions.h"
#include "openmc/random_dist.h"
#include "openmc/random_lcg.h"
#include "openmc/xml_interface.h"

namespace openmc {

unique_ptr<UnitSphereDistribution> UnitSphereDistribution::create(
  pugi::xml_node node)
{
  // Check for type of angular distribution
  std::string type;
  if (check_for_node(node, "type"))
    type = get_node_value(node, "type", true, true);
  if (type == "isotropic") {
    return UPtrAngle {new Isotropic()};
  } else if (type == "monodirectional") {
    return UPtrAngle {new Monodirectional(node)};
  } else if (type == "mu-phi") {
    return UPtrAngle {new PolarAzimuthal(node)};
  } else {
    fatal_error(fmt::format(
      "Invalid angular distribution for external source: {}", type));
  }
}

//==============================================================================
// UnitSphereDistribution implementation
//==============================================================================

UnitSphereDistribution::UnitSphereDistribution(pugi::xml_node node)
{
  // Read reference directional unit vector
  if (check_for_node(node, "reference_uvw")) {
    auto u_ref = get_node_array<double>(node, "reference_uvw");
    if (u_ref.size() != 3)
      fatal_error("Angular distribution reference direction must have "
                  "three parameters specified.");
    u_ref_ = Direction(u_ref.data());
  }
}

//==============================================================================
// PolarAzimuthal implementation
//==============================================================================

PolarAzimuthal::PolarAzimuthal(Direction u, UPtrDist mu, UPtrDist phi)
  : UnitSphereDistribution {u}, mu_ {std::move(mu)}, phi_ {std::move(phi)}
{}

PolarAzimuthal::PolarAzimuthal(pugi::xml_node node)
  : UnitSphereDistribution {node}
{
  if (check_for_node(node, "mu")) {
    pugi::xml_node node_dist = node.child("mu");
    mu_ = distribution_from_xml(node_dist);
  } else {
    mu_ = UPtrDist {new Uniform(-1., 1.)};
  }

  if (check_for_node(node, "phi")) {
    pugi::xml_node node_dist = node.child("phi");
    phi_ = distribution_from_xml(node_dist);
  } else {
    phi_ = UPtrDist {new Uniform(0.0, 2.0 * PI)};
  }
}

Direction PolarAzimuthal::sample(uint64_t* seed) const
{
  // Sample cosine of polar angle
  double mu = mu_->sample(seed);
  if (mu == 1.0)
    return u_ref_;

  // Sample azimuthal angle
  double phi = phi_->sample(seed);

  return rotate_angle(u_ref_, mu, &phi, seed);
}

//==============================================================================
// Isotropic implementation
//==============================================================================

Direction isotropic_direction(uint64_t* seed)
{
  double phi = uniform_distribution(0., 2.0 * PI, seed);
  double mu = uniform_distribution(-1., 1., seed);
  return {mu, std::sqrt(1.0 - mu * mu) * std::cos(phi),
    std::sqrt(1.0 - mu * mu) * std::sin(phi)};
}

Direction Isotropic::sample(uint64_t* seed) const
{
  return isotropic_direction(seed);
}

//==============================================================================
// Monodirectional implementation
//==============================================================================

Direction Monodirectional::sample(uint64_t* seed) const
{
  return u_ref_;
}

} // namespace openmc

1	#include "openmc/distribution_multi.h"
2
3	#include <algorithm> // for move
4	#include <cmath> // for sqrt, sin, cos, max
5
6	#include "openmc/constants.h"
7	#include "openmc/error.h"
8	#include "openmc/math_functions.h"
9	#include "openmc/random_dist.h"
10	#include "openmc/random_lcg.h"
11	#include "openmc/xml_interface.h"
12
13	namespace openmc {
14
15	unique_ptr<UnitSphereDistribution> UnitSphereDistribution::create(	3,167✔
16	pugi::xml_node node)
17	{
18	// Check for type of angular distribution
19	std::string type;	3,167✔
20	if (check_for_node(node, "type"))	3,167✔
21	type = get_node_value(node, "type", true, true);	3,167✔
22	if (type == "isotropic") {	3,167✔
23	return UPtrAngle {new Isotropic()};	255✔
24	} else if (type == "monodirectional") {	2,912✔
25	return UPtrAngle {new Monodirectional(node)};	2,874✔
26	} else if (type == "mu-phi") {	38✔
27	return UPtrAngle {new PolarAzimuthal(node)};	38✔
28	} else {
29	fatal_error(fmt::format(	×
30	"Invalid angular distribution for external source: {}", type));
31	}
32	}	3,167✔
33
34	//==============================================================================
35	// UnitSphereDistribution implementation
36	//==============================================================================
37
38	UnitSphereDistribution::UnitSphereDistribution(pugi::xml_node node)	2,912✔
39	{
40	// Read reference directional unit vector
41	if (check_for_node(node, "reference_uvw")) {	2,912✔
42	auto u_ref = get_node_array<double>(node, "reference_uvw");	2,912✔
43	if (u_ref.size() != 3)	2,912✔
44	fatal_error("Angular distribution reference direction must have "	×
45	"three parameters specified.");
46	u_ref_ = Direction(u_ref.data());	2,912✔
47	}	2,912✔
48	}	2,912✔
49
50	//==============================================================================
51	// PolarAzimuthal implementation
52	//==============================================================================
53
UNCOV 54	PolarAzimuthal::PolarAzimuthal(Direction u, UPtrDist mu, UPtrDist phi)	×
55	: UnitSphereDistribution {u}, mu_ {std::move(mu)}, phi_ {std::move(phi)}	×
56	{}	×
57
58	PolarAzimuthal::PolarAzimuthal(pugi::xml_node node)	38✔
59	: UnitSphereDistribution {node}	38✔
60	{
61	if (check_for_node(node, "mu")) {	38✔
62	pugi::xml_node node_dist = node.child("mu");	38✔
63	mu_ = distribution_from_xml(node_dist);	38✔
64	} else {
UNCOV 65	mu_ = UPtrDist {new Uniform(-1., 1.)};	×
66	}
67
68	if (check_for_node(node, "phi")) {	38✔
69	pugi::xml_node node_dist = node.child("phi");	38✔
70	phi_ = distribution_from_xml(node_dist);	38✔
71	} else {
UNCOV 72	phi_ = UPtrDist {new Uniform(0.0, 2.0 * PI)};	×
73	}
74	}	38✔
75
76	Direction PolarAzimuthal::sample(uint64_t* seed) const	25,300✔
77	{
78	// Sample cosine of polar angle
79	double mu = mu_->sample(seed);	25,300✔
80	if (mu == 1.0)	25,300✔
81	return u_ref_;	759✔
82
83	// Sample azimuthal angle
84	double phi = phi_->sample(seed);	24,541✔
85
86	return rotate_angle(u_ref_, mu, &phi, seed);	24,541✔
87	}
88
89	//==============================================================================
90	// Isotropic implementation
91	//==============================================================================
92
93	Direction isotropic_direction(uint64_t* seed)	109,077,489✔
94	{
95	double phi = uniform_distribution(0., 2.0 * PI, seed);	109,077,489✔
96	double mu = uniform_distribution(-1., 1., seed);	109,077,489✔
97	return {mu, std::sqrt(1.0 - mu * mu) * std::cos(phi),	109,077,489✔
98	std::sqrt(1.0 - mu * mu) * std::sin(phi)};	109,077,489✔
99	}
100
101	Direction Isotropic::sample(uint64_t* seed) const	19,381,238✔
102	{
103	return isotropic_direction(seed);	19,381,238✔
104	}
105
106	//==============================================================================
107	// Monodirectional implementation
108	//==============================================================================
109
110	Direction Monodirectional::sample(uint64_t* seed) const	12,466,094✔
111	{
112	return u_ref_;	12,466,094✔
113	}
114
115	} // namespace openmc

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