ReadWriteINT Class Reference

Description

Class for reading and writing BornAgain native IntensityData from ASCII file.

Definition at line 29 of file ReadWriteINT.h.

Public Member Functions
Datafield *	readDatafield (std::istream &input_stream)
void	writeDatafield (const Datafield &data, std::ostream &output_stream)

Static Private Member Functions
static double	ignoreDenormalized (double value)
static void	writeDatafieldDoubles (const Datafield &data, std::ostream &output_stream, size_t n_columns)

Member Function Documentation

ignoreDenormalized()

double ReadWriteINT::ignoreDenormalized ( double  value )

staticprivate

Definition at line 78 of file ReadWriteINT.cpp.

{
    return (std::fpclassify(value) == FP_SUBNORMAL) ? 0.0 : value;
}

Referenced by writeDatafieldDoubles().

readDatafield()

Datafield * ReadWriteINT::readDatafield

(

std::istream &

input_stream

)

Definition at line 23 of file ReadWriteINT.cpp.

{
    std::string line;
 
    std::vector<IAxis*> axes;
    while (std::getline(input_stream, line)) {
        line = BaseUtils::String::trim(line);
 
        if (line.find("axis") != std::string::npos)
            axes.emplace_back(DataUtils::Format::createAxis(input_stream));
 
        if (line.find("data") != std::string::npos)
            break;
    }
    // std::cout << "Read " << axes.size() << " axes" << std::endl;
    auto* result = new Datafield(axes);
    DataUtils::Format::fillDatafield(result, input_stream);
    return result;
}

References DataUtils::Format::createAxis(), DataUtils::Format::fillDatafield(), and BaseUtils::String::trim().

Referenced by IOFactory::readDatafield().

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writeDatafield()

void ReadWriteINT::writeDatafield	(	const Datafield &	data,
		std::ostream &	output_stream
	)

Definition at line 43 of file ReadWriteINT.cpp.

{
    output_stream << "# BornAgain Intensity Data\n\n";
 
    for (size_t i = 0; i < data.rank(); ++i) {
        std::string axis_name = std::string("axis") + std::to_string(i);
        std::unique_ptr<IAxis> axis(data.axis(i).clone());
        axis->setAxisName(axis_name);
        output_stream << std::endl;
        output_stream << "# axis-" << i << "\n";
        output_stream << (*axis) << "\n";
    }
    size_t n_columns = data.axis(data.rank() - 1).size();
 
    output_stream << "\n# data\n";
    writeDatafieldDoubles(data, output_stream, n_columns);
    output_stream << std::endl;
}

References Datafield::axis(), IAxis::clone(), Datafield::rank(), IAxis::size(), and writeDatafieldDoubles().

Referenced by IOFactory::writeDatafield().

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writeDatafieldDoubles()

void ReadWriteINT::writeDatafieldDoubles ( const Datafield &  data, std::ostream &  output_stream, size_t  n_columns  )

staticprivate

Definition at line 62 of file ReadWriteINT.cpp.

{
    output_stream.imbue(std::locale::classic());
    output_stream << std::scientific << std::setprecision(12);
    size_t ncol = 0;
    for (size_t i = 0; i < data.size(); ++i) {
        ncol++;
        output_stream << ignoreDenormalized(data[i]) << "    ";
        if (ncol == n_columns) {
            output_stream << std::endl;
            ncol = 0;
        }
    }
}

References ignoreDenormalized(), BaseUtils::String::scientific(), and Datafield::size().

Referenced by writeDatafield().

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The documentation for this class was generated from the following files:

• /home/build/builds/o5h8MZZm/0/mlz/bornagain/Device/IO/ReadWriteINT.h
• /home/build/builds/o5h8MZZm/0/mlz/bornagain/Device/IO/ReadWriteINT.cpp