CreatePiecewiseLinearCurve.cpp

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#include "CreatePiecewiseLinearCurve.h"
 
#include <boost/endian/conversion.hpp>
#include <fstream>
#include <iostream>
#include <vector>
 
#include "BaseLib/ConfigTree.h"
#include "BaseLib/Error.h"
#include "BaseLib/FileTools.h"
#include "BaseLib/StringTools.h"
 
namespace MathLib
{
PiecewiseLinearCurveConfig parsePiecewiseLinearCurveConfig(
    BaseLib::ConfigTree const& config)
{
    const bool read_from_file =  
        config.getConfigParameter<bool>("read_from_file", false);
 
    std::vector<double> x;
    std::vector<double> y;
 
    if (read_from_file == true)
    {
        auto const coords_file_name =
            config.getConfigParameter<std::string>("coords");
 
        auto const values_file_name =
            config.getConfigParameter<std::string>("values");
 
        x = BaseLib::readDoublesFromBinaryFile(coords_file_name);
 
        y = BaseLib::readDoublesFromBinaryFile(values_file_name);
    }
    else
    {
        x =
            config.getConfigParameter<std::vector<double>>("coords");
        y =
            config.getConfigParameter<std::vector<double>>("values");
    }
 
    if (x.empty() || y.empty())
    {
        OGS_FATAL("The given coordinates or values vector is empty.");
    }
    if (x.size() != y.size())
    {
        OGS_FATAL(
            "The given coordinates and values vector sizes are "
            "different.");
    }
 
    return {std::move(x), std::move(y)};
}
}  // namespace MathLib