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.

BLAS Level 2 Routine Groups and Their Data Types
Routine Groups	Data Types	Description
cblas_?gbmv	s, d, c, z	Matrix-vector product using a general band matrix
cblas?_gemv	s, d, c, z	Matrix-vector product using a general matrix
cblas_?ger	s, d	Rank-1 update of a general matrix
cblas_?gerc	c, z	Rank-1 update of a conjugated general matrix
cblas_?geru	c, z	Rank-1 update of a general matrix, unconjugated
cblas_?hbmv	c, z	Matrix-vector product using a Hermitian band matrix
cblas_?hemv	c, z	Matrix-vector product using a Hermitian matrix
cblas_?her	c, z	Rank-1 update of a Hermitian matrix
cblas_?her2	c, z	Rank-2 update of a Hermitian matrix
cblas_?hpmv	c, z	Matrix-vector product using a Hermitian packed matrix
cblas_?hpr	c, z	Rank-1 update of a Hermitian packed matrix
cblas_?hpr2	c, z	Rank-2 update of a Hermitian packed matrix
cblas_?sbmv	s, d	Matrix-vector product using symmetric band matrix
cblas_?spmv	s, d	Matrix-vector product using a symmetric packed matrix
cblas_?spr	s, d	Rank-1 update of a symmetric packed matrix
cblas_?spr2	s, d	Rank-2 update of a symmetric packed matrix
cblas_?symv	s, d	Matrix-vector product using a symmetric matrix
cblas_?syr	s, d	Rank-1 update of a symmetric matrix
cblas_?syr2	s, d	Rank-2 update of a symmetric matrix
cblas_?tbmv	s, d, c, z	Matrix-vector product using a triangular band matrix
cblas_?tbsv	s, d, c, z	Solution of a linear system of equations with a triangular band matrix
cblas_?tpmv	s, d, c, z	Matrix-vector product using a triangular packed matrix
cblas_?tpsv	s, d, c, z	Solution of a linear system of equations with a triangular packed matrix
cblas_?trmv	s, d, c, z	Matrix-vector product using a triangular matrix
cblas_?trsv	s, d, c, z	Solution of a linear system of equations with a triangular matrix