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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file Param/Distrib/ParameterDistribution.cpp
//! @brief Implements class ParameterDistribution.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#include "Param/Distrib/ParameterDistribution.h"
#include "Base/Util/Assert.h"
#include "Param/Distrib/Distributions.h"
#include "Param/Distrib/ParameterSample.h"
ParameterDistribution::ParameterDistribution(WhichParameter whichParameter,
const IDistribution1D& distribution)
: m_which_parameter(whichParameter)
{
m_distribution.reset(distribution.clone());
}
ParameterDistribution::ParameterDistribution(const ParameterDistribution& other)
: m_which_parameter(other.m_which_parameter)
{
m_distribution.reset(other.m_distribution->clone());
}
ParameterDistribution::~ParameterDistribution() = default;
std::string ParameterDistribution::whichParameterAsPyEnum() const
{
switch (whichParameter()) {
case ParameterDistribution::BeamWavelength:
return "ParameterDistribution.BeamWavelength";
case ParameterDistribution::BeamGrazingAngle:
return "ParameterDistribution.BeamGrazingAngle";
case ParameterDistribution::BeamAzimuthalAngle:
return "ParameterDistribution.BeamAzimuthalAngle";
default:
ASSERT_NEVER;
}
}
size_t ParameterDistribution::nDraws() const
{
ASSERT(m_distribution);
return m_distribution->nSamples();
}
double ParameterDistribution::relSamplingWidth() const
{
return m_distribution->relSamplingWidth();
}
std::vector<ParameterSample> ParameterDistribution::generateSamples() const
{
return m_distribution->distributionSamples();
}
std::string ParameterDistribution::unitOfParameter() const
{
switch (m_which_parameter) {
case BeamWavelength:
return "nm";
case BeamAzimuthalAngle:
case BeamGrazingAngle:
return "rad";
default:
ASSERT_NEVER;
}
}
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