Namespace with functions to write data (vectors, matrices, grids, ...) to a file. More...

Functions
template<>
const char *	getTypeString (const std::vector< uint8_t > &A)

template<>
const char *	getTypeString (const std::vector< uint16_t > &A)

template<>
const char *	getTypeString (const std::vector< uint32_t > &A)

template<>
const char *	getTypeString (const std::vector< uint64_t > &A)

template<>
const char *	getTypeString (const std::vector< float > &A)

template<>
const char *	getTypeString (const std::vector< double > &A)

template<class T >
const char *	getTypeString (const std::vector< T > &A)

template<>
const char *	getTypeString (const std::vector< std::string > &A)

template<>
void	readEntry (std::ifstream &f, std::string &entry)
	Read string from input stream (called by readMatrix()). More...

template<class T >
void	readEntry (std::ifstream &f, T &entry)
	Read bytes of entry representation from input stream (called by readMatrix()). More...

void	readGrid (const std::string &filename, base::GridStorage &gridStorage)
	Read a grid (only grid points) from a file. More...

void	readGrid (const std::string &filename, base::GridStorage &gridStorage, base::DataVector &functionValues)
	Read a grid (grid points and function values) from a file. More...

void	readMatrix (const std::string &filename, base::DataMatrix &A)
	Read a matrix from a file. More...

template<class T >
void	readMatrix (const std::string &filename, std::vector< T > &A, size_t &m, size_t &n)
	Read a matrix (stored row-wise in a std::vector) from a file. More...

void	readVector (const std::string &filename, base::DataVector &x)
	Read a base::DataVector from a file. More...

template<class T >
void	readVector (const std::string &filename, std::vector< T > &x)
	Read a std::vector from a file. More...

template<>
void	writeEntry (std::ofstream &f, const std::string &entry)
	Write string to output stream (called by writeMatrix()). More...

template<class T >
void	writeEntry (std::ofstream &f, const T &entry)
	Write bytes of entry representation to output stream (called by writeMatrix()). More...

void	writeGrid (const std::string &filename, const base::GridStorage &gridStorage)
	Write a grid (only grid points) to a file. More...

void	writeGrid (const std::string &filename, const base::GridStorage &gridStorage, const base::DataVector &functionValues)
	Write a grid (grid points and function values) to a file. More...

void	writeMatrix (const std::string &filename, base::DataMatrix &A)
	Write a base::DataMatrix to a file. More...

template<class T >
void	writeMatrix (const std::string &filename, const std::vector< T > &A, size_t m, size_t n)
	Write a matrix (stored row-wise in a std::vector) to a file. More...

void	writeVector (const std::string &filename, base::DataVector &x)
	Write a base::DataVector to a file. More...

template<class T >
void	writeVector (const std::string &filename, const std::vector< T > &x)
	Write a std::vector to a file. More...

Detailed Description

Namespace with functions to write data (vectors, matrices, grids, ...) to a file.

Function Documentation

◆ getTypeString() [1/8]

template<>

const char * sgpp::optimization::file_io::getTypeString ( const std::vector< uint8_t > & A )

Parameters

A ignored

Returns: type string for uint8_t (right-padded "uint8")

Referenced by getTypeString(), readMatrix(), and writeMatrix().

◆ getTypeString() [2/8]

template<>

const char * sgpp::optimization::file_io::getTypeString ( const std::vector< uint16_t > & A )

Parameters

A ignored

Returns: type string for uint16_t (right-padded "uint16")

◆ getTypeString() [3/8]

template<>

const char * sgpp::optimization::file_io::getTypeString ( const std::vector< uint32_t > & A )

Parameters

A ignored

Returns: type string for uint32_t (right-padded "uint32")

◆ getTypeString() [4/8]

template<>

const char * sgpp::optimization::file_io::getTypeString ( const std::vector< uint64_t > & A )

Parameters

A ignored

Returns: type string for uint64_t (right-padded "uint64")

◆ getTypeString() [5/8]

template<>

const char * sgpp::optimization::file_io::getTypeString ( const std::vector< float > & A )

Parameters

A ignored

Returns: type string for float (right-padded "float")

◆ getTypeString() [6/8]

template<>

const char * sgpp::optimization::file_io::getTypeString ( const std::vector< double > & A )

Parameters

A ignored

Returns: type string for double (right-padded "double")

◆ getTypeString() [7/8]

template<class T >

const char* sgpp::optimization::file_io::getTypeString ( const std::vector< T > & A )

Parameters

A ignored

Returns: type string for unknown types (right-padded "other")

References python.utils.converter::filename, getTypeString(), python.utils.sg_projections::gridStorage, readGrid(), writeGrid(), and writeMatrix().

◆ getTypeString() [8/8]

template<>

const char * sgpp::optimization::file_io::getTypeString ( const std::vector< std::string > & A )

Parameters

A ignored

Returns: type string for string (right-padded "string")

◆ readEntry() [1/2]

template<>

void sgpp::optimization::file_io::readEntry	(	std::ifstream &	f,
		std::string &	entry
	)

Read string from input stream (called by readMatrix()).

Parameters

	f	input stream to be read
[out]	entry	entry to be read

Referenced by readEntry(), and readMatrix().

◆ readEntry() [2/2]

template<class T >

void sgpp::optimization::file_io::readEntry	(	std::ifstream &	f,
		T &	entry
	)

Read bytes of entry representation from input stream (called by readMatrix()).

Parameters

	f	input stream to be read
[out]	entry	entry to be read

References readEntry().

◆ readGrid() [1/2]

void sgpp::optimization::file_io::readGrid	(	const std::string &	filename,
		base::GridStorage &	gridStorage
	)

Read a grid (only grid points) from a file.

The format is as in writeGrid (discarding function values).

Parameters

	filename	filename of the file to be read
[out]	gridStorage	grid storage containing the grid points

Referenced by getTypeString().

◆ readGrid() [2/2]

void sgpp::optimization::file_io::readGrid	(	const std::string &	filename,
		base::GridStorage &	gridStorage,
		base::DataVector &	functionValues
	)

Read a grid (grid points and function values) from a file.

The format is as in writeGrid.

Parameters

	filename	filename of the file to be read
[out]	gridStorage	grid storage containing the grid points
[out]	functionValues	vector of function values

References sgpp::base::HashGridStorage::clear(), python.statsfileInfo::f, python.statsfileInfo::i, sgpp::base::HashGridStorage::insert(), python.utils.statsfile2gnuplot::j, parabola::N, and sgpp::base::HashGridPoint::set().

◆ readMatrix() [1/2]

void sgpp::optimization::file_io::readMatrix	(	const std::string &	filename,
		base::DataMatrix &	A
	)

Read a matrix from a file.

The format is as in writeMatrix.

Parameters

	filename	filename of the file to be read
[out]	A	matrix

References m, and sgpp::base::DataMatrix::resize().

Referenced by readVector(), and writeMatrix().

◆ readMatrix() [2/2]

template<class T >

void sgpp::optimization::file_io::readMatrix	(	const std::string &	filename,
		std::vector< T > &	A,
		size_t &	m,
		size_t &	n
	)

Read a matrix (stored row-wise in a std::vector) from a file.

The format is as in writeMatrix.

Parameters

	filename	filename of the file to be written
[out]	A	matrix
[out]	m	number of rows
[out]	n	number of columns

References python.statsfileInfo::f, getTypeString(), python.statsfileInfo::i, readEntry(), create_dataset::type, and writeVector().

◆ readVector() [1/2]

void sgpp::optimization::file_io::readVector	(	const std::string &	filename,
		base::DataVector &	x
	)

Read a base::DataVector from a file.

It's readMatrix with the vector as one row.

Parameters

	filename	filename of the file to be read
[out]	x	vector

References m, and readMatrix().

Referenced by writeVector().

◆ readVector() [2/2]

template<class T >

void sgpp::optimization::file_io::readVector	(	const std::string &	filename,
		std::vector< T > &	x
	)

Read a std::vector from a file.

It's readMatrix with the vector as one row.

Parameters

	filename	filename of the file to be read
[out]	x	vector

References m, and readMatrix().

◆ writeEntry() [1/2]

template<>

void sgpp::optimization::file_io::writeEntry	(	std::ofstream &	f,
		const std::string &	entry
	)

Write string to output stream (called by writeMatrix()).

Parameters

f	output stream to be written to
entry	entry to be written

Referenced by writeEntry(), and writeMatrix().

◆ writeEntry() [2/2]

template<class T >

void sgpp::optimization::file_io::writeEntry	(	std::ofstream &	f,
		const T &	entry
	)

Write bytes of entry representation to output stream (called by writeMatrix()).

Parameters

f	output stream to be written to
entry	entry to be written

References python.statsfileInfo::f, and writeEntry().

◆ writeGrid() [1/2]

void sgpp::optimization::file_io::writeGrid	(	const std::string &	filename,
		const base::GridStorage &	gridStorage
	)

Write a grid (only grid points) to a file.

The format is the same as the version with functions values with all function values set to zero.

Parameters

filename	filename of the file to be written
gridStorage	grid storage containing the grid points

References sgpp::base::HashGridStorage::getSize(), and parabola::N.

Referenced by getTypeString().

◆ writeGrid() [2/2]

void sgpp::optimization::file_io::writeGrid	(	const std::string &	filename,
		const base::GridStorage &	gridStorage,
		const base::DataVector &	functionValues
	)

Write a grid (grid points and function values) to a file.

The format is as follows:

size_t   N (number of grid points)
size_t   d (dimension)
for j = 0, ..., N-1
    for t = 0, ..., d-1
        double           grid_point[j].coord(t)
        unsigned int     grid_point[j].level(t)
        unsigned int     grid_point[j].index(t)
    end
    double   function_value[j]
end

Parameters

filename	filename of the file to be written
gridStorage	grid storage containing the grid points
functionValues	vector of function values

References python.statsfileInfo::f, sgpp::base::HashGridStorage::getCoordinate(), sgpp::base::HashGridStorage::getDimension(), sgpp::base::HashGridPoint::getIndex(), sgpp::base::HashGridPoint::getLevel(), sgpp::base::HashGridStorage::getSize(), sgpp::base::DataVector::getSize(), python.statsfileInfo::i, python.utils.statsfile2gnuplot::j, and parabola::N.

◆ writeMatrix() [1/2]

void sgpp::optimization::file_io::writeMatrix	(	const std::string &	filename,
		base::DataMatrix &	A
	)

Write a base::DataMatrix to a file.

Parameters

filename	filename of the file to be written
A	matrix

References sgpp::base::DataMatrix::getNcols(), sgpp::base::DataMatrix::getNrows(), and sgpp::base::DataMatrix::getPointer().

Referenced by getTypeString(), and writeVector().

◆ writeMatrix() [2/2]

template<class T >

void sgpp::optimization::file_io::writeMatrix	(	const std::string &	filename,
		const std::vector< T > &	A,
		size_t	m,
		size_t	n
	)

Write a matrix (stored row-wise in a std::vector) to a file.

The format is as follows:

size_t       m
size_t       n
char[16]     type string (one of "uint8", "uint16", "uint32",
             "uint64", "double", "string", or "other",
             right-padded with spaces to 16 characters)
for i = 0, ..., m*n - 1
    T        A[i] (size depending on template parameter,
             strings are written null-terminatedly)
end

Parameters

filename	filename of the file to be written
A	matrix
m	number of rows
n	number of columns

References python.statsfileInfo::f, getTypeString(), python.statsfileInfo::i, readMatrix(), create_dataset::type, and writeEntry().

◆ writeVector() [1/2]

void sgpp::optimization::file_io::writeVector	(	const std::string &	filename,
		base::DataVector &	x
	)

Write a base::DataVector to a file.

It's writeMatrix with the vector as one row.

Parameters

filename	filename of the file to be written
x	vector

References sgpp::base::DataVector::getPointer(), sgpp::base::DataVector::getSize(), and writeMatrix().

Referenced by readMatrix().

◆ writeVector() [2/2]

template<class T >

void sgpp::optimization::file_io::writeVector	(	const std::string &	filename,
		const std::vector< T > &	x
	)

Write a std::vector to a file.

It's writeMatrix with the vector as one row.

Parameters

filename	filename of the file to be written
x	vector

References readVector(), and writeMatrix().

Functions

Detailed Description

Function Documentation

◆ getTypeString() [1/8]

◆ getTypeString() [2/8]

◆ getTypeString() [3/8]

◆ getTypeString() [4/8]

◆ getTypeString() [5/8]

◆ getTypeString() [6/8]

◆ getTypeString() [7/8]

◆ getTypeString() [8/8]

◆ readEntry() [1/2]

◆ readEntry() [2/2]

◆ readGrid() [1/2]

◆ readGrid() [2/2]

◆ readMatrix() [1/2]

◆ readMatrix() [2/2]

◆ readVector() [1/2]

◆ readVector() [2/2]

◆ writeEntry() [1/2]

◆ writeEntry() [2/2]

◆ writeGrid() [1/2]

◆ writeGrid() [2/2]

◆ writeMatrix() [1/2]

◆ writeMatrix() [2/2]

◆ writeVector() [1/2]

◆ writeVector() [2/2]