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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file Tests/Functional/Consistence/CompareTwoReferences.cpp
//! @brief Implements function compareTwoReferences for use in core consistence test.
//!
//! @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 "BATesting.h"
#include "Base/Util/Assert.h"
#include "Base/Util/PathUtil.h"
#include "Device/Data/Datafield.h"
#include "Device/IO/DiffUtil.h"
#include "Device/IO/IOFactory.h"
#include <cstdlib>
#include <iostream>
#include <memory>
namespace {
Datafield load(const std::string& name)
{
ASSERT(!name.empty());
const std::string path = Base::Path::jointPath(BATesting::ReferenceDir_Suite, name + ".int");
try {
return IO::readData2D(path, IO::Filetype2D::bornagain2D);
} catch (const std::exception&) {
std::cout << "Data file " << path << " could not be read.\n"
<< "Run the pertinent Core standard test, copy the fresh data file"
<< " to the reference directory,\n"
<< "then rerun this test." << std::endl;
exit(-1);
}
}
} // namespace
int compareTwoReferences(const std::string& name0, const std::string& name1, const double limit)
{
Datafield data0 = load(name0);
Datafield data1 = load(name1);
return DiffUtil::checkRelativeDifference(data0, data1, limit);
}
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