Template Class MTXReader

• Defined in File mtx_reader.h

Nested Relationships

Nested Types

• Struct MTXReader::MTXOptions

Inheritance Relationships

Base Types

• public sparsebase::io::Reader (Class Reader)

• public sparsebase::io::ReadsCSR< IDType, NNZType, ValueType > (Template Class ReadsCSR)

• public sparsebase::io::ReadsCOO< IDType, NNZType, ValueType > (Template Class ReadsCOO)

• public sparsebase::io::ReadsArray< ValueType > (Template Class ReadsArray)

Class Documentation

template<typename IDType, typename NNZType, typename ValueType>
class sparsebase::io::MTXReader : public sparsebase::io::Reader, public sparsebase::io::ReadsCSR<IDType, NNZType, ValueType>, public sparsebase::io::ReadsCOO<IDType, NNZType, ValueType>, public sparsebase::io::ReadsArray<ValueType>

Reader for the Matrix Market File Format.

Detailed explanations of the MTX format can be found in these links:

• https://networkrepository.com/mtx-matrix-market-format.html

• https://math.nist.gov/MatrixMarket/formats.html

Public Functions

explicit MTXReader(std::string filename, bool convert_to_zero_index = true)

Constructor for the MTXReader class

Parameters

• filename – path to the file to be read

• convert_to_zero_index – if set to true the indices will be converted such that they start from 0 instead of 1

virtual format::COO<IDType, NNZType, ValueType> *ReadCOO() const override

Reads the file to a COO instance and returns a pointer to it.

virtual format::CSR<IDType, NNZType, ValueType> *ReadCSR() const override

Reads the file to a CSR instance and returns a pointer to it.

virtual format::Array<ValueType> *ReadArray() const override

Reads the file to an Array instance and returns a pointer to it.

~MTXReader() override