BLAS Level 2 Routines

Intel® oneAPI Math Kernel Library (oneMKL) - Data Parallel C++ Developer Reference

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ID 772045

Date 12/16/2022

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BLAS Level 2 Routines

This section describes BLAS Level 2 routines, which perform matrix-vector operations. The following table lists the BLAS Level 2 routine groups and the data types associated with them.

Routine Groups	Data Types	Description
gbmv	`float`, `double`, `std::complex<float>`, `std::complex<double>`	Matrix-vector product using a general band matrix
gemv	`float`, `double`, `std::complex<float>`, `std::complex<double>`	Matrix-vector product using a general matrix
ger	`float`, `double`	Rank-1 update of a general matrix
gerc	`std::complex<float>`, `std::complex<double>`	Rank-1 update of a conjugated general matrix
geru	`std::complex<float>`, `std::complex<double>`	Rank-1 update of a general matrix, unconjugated
hbmv	`std::complex<float>`, `std::complex<double>`	Matrix-vector product using a Hermitian band matrix
hemv	`std::complex<float>`, `std::complex<double>`	Matrix-vector product using a Hermitian matrix
her	`std::complex<float>`, `std::complex<double>`	Rank-1 update of a Hermitian matrix
her2	`std::complex<float>`, `std::complex<double>`	Rank-2 update of a Hermitian matrix
hpmv	`std::complex<float>`, `std::complex<double>`	Matrix-vector product using a Hermitian packed matrix
hpr	`std::complex<float>`, `std::complex<double>`	Rank-1 update of a Hermitian packed matrix
hpr2	`std::complex<float>`, `std::complex<double>`	Rank-2 update of a Hermitian packed matrix
sbmv	`float`, `double`	Matrix-vector product using symmetric band matrix
spmv	`float`, `double`	Matrix-vector product using a symmetric packed matrix
spr	`float`, `double`	Rank-1 update of a symmetric packed matrix
spr2	`float`, `double`	Rank-2 update of a symmetric packed matrix
symv	`float`, `double`	Matrix-vector product using a symmetric matrix
syr	`float`, `double`	Rank-1 update of a symmetric matrix
syr2	`float`, `double`	Rank-2 update of a symmetric matrix
tbmv	`float`, `double`, `std::complex<float>`, `std::complex<double>`	Matrix-vector product using a triangular band matrix
tbsv	`float`, `double`, `std::complex<float>`, `std::complex<double>`	Solution of a linear system of equations with a triangular band matrix
tpmv	`float`, `double`, `std::complex<float>`, `std::complex<double>`	Matrix-vector product using a triangular packed matrix
tpsv	`float`, `double`, `std::complex<float>`, `std::complex<double>`	Solution of a linear system of equations with a triangular packed matrix
trmv	`float`, `double`, `std::complex<float>`, `std::complex<double>`	Matrix-vector product using a triangular matrix
trsv	`float`, `double`, `std::complex<float>`, `std::complex<double>`	Solution of a linear system of equations with a triangular matrix

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Intel® oneAPI Math Kernel Library (oneMKL) - Data Parallel C++ Developer Reference

BLAS Level 2 Routines