gemm Interface
public interface gemm
GEMM performs one of the matrix-matrix operations C := alphaop( A )op( B ) + betaC, where op( X ) is one of op( X ) = X or op( X ) = XT or op( X ) = X*H, alpha and beta are scalars, and A, B and C are matrices, with op( A ) an m by k matrix, op( B ) a k by n matrix and C an m by n matrix.
Subroutines
public pure subroutine cgemm(transa, transb, m, n, k, alpha, a, lda, b, ldb, beta, c, ldc)
Arguments
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| character(len=1), | intent(in) | :: | transa | |||
| character(len=1), | intent(in) | :: | transb | |||
| integer(kind=ilp), | intent(in) | :: | m | |||
| integer(kind=ilp), | intent(in) | :: | n | |||
| integer(kind=ilp), | intent(in) | :: | k | |||
| complex(kind=sp), | intent(in) | :: | alpha | |||
| complex(kind=sp), | intent(in) | :: | a(lda,*) | |||
| integer(kind=ilp), | intent(in) | :: | lda | |||
| complex(kind=sp), | intent(in) | :: | b(ldb,*) | |||
| integer(kind=ilp), | intent(in) | :: | ldb | |||
| complex(kind=sp), | intent(in) | :: | beta | |||
| complex(kind=sp), | intent(inout) | :: | c(ldc,*) | |||
| integer(kind=ilp), | intent(in) | :: | ldc |
public pure subroutine dgemm(transa, transb, m, n, k, alpha, a, lda, b, ldb, beta, c, ldc)
Arguments
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| character(len=1), | intent(in) | :: | transa | |||
| character(len=1), | intent(in) | :: | transb | |||
| integer(kind=ilp), | intent(in) | :: | m | |||
| integer(kind=ilp), | intent(in) | :: | n | |||
| integer(kind=ilp), | intent(in) | :: | k | |||
| real(kind=dp), | intent(in) | :: | alpha | |||
| real(kind=dp), | intent(in) | :: | a(lda,*) | |||
| integer(kind=ilp), | intent(in) | :: | lda | |||
| real(kind=dp), | intent(in) | :: | b(ldb,*) | |||
| integer(kind=ilp), | intent(in) | :: | ldb | |||
| real(kind=dp), | intent(in) | :: | beta | |||
| real(kind=dp), | intent(inout) | :: | c(ldc,*) | |||
| integer(kind=ilp), | intent(in) | :: | ldc |
public pure subroutine sgemm(transa, transb, m, n, k, alpha, a, lda, b, ldb, beta, c, ldc)
Arguments
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| character(len=1), | intent(in) | :: | transa | |||
| character(len=1), | intent(in) | :: | transb | |||
| integer(kind=ilp), | intent(in) | :: | m | |||
| integer(kind=ilp), | intent(in) | :: | n | |||
| integer(kind=ilp), | intent(in) | :: | k | |||
| real(kind=sp), | intent(in) | :: | alpha | |||
| real(kind=sp), | intent(in) | :: | a(lda,*) | |||
| integer(kind=ilp), | intent(in) | :: | lda | |||
| real(kind=sp), | intent(in) | :: | b(ldb,*) | |||
| integer(kind=ilp), | intent(in) | :: | ldb | |||
| real(kind=sp), | intent(in) | :: | beta | |||
| real(kind=sp), | intent(inout) | :: | c(ldc,*) | |||
| integer(kind=ilp), | intent(in) | :: | ldc |
public pure subroutine zgemm(transa, transb, m, n, k, alpha, a, lda, b, ldb, beta, c, ldc)
Arguments
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| character(len=1), | intent(in) | :: | transa | |||
| character(len=1), | intent(in) | :: | transb | |||
| integer(kind=ilp), | intent(in) | :: | m | |||
| integer(kind=ilp), | intent(in) | :: | n | |||
| integer(kind=ilp), | intent(in) | :: | k | |||
| complex(kind=dp), | intent(in) | :: | alpha | |||
| complex(kind=dp), | intent(in) | :: | a(lda,*) | |||
| integer(kind=ilp), | intent(in) | :: | lda | |||
| complex(kind=dp), | intent(in) | :: | b(ldb,*) | |||
| integer(kind=ilp), | intent(in) | :: | ldb | |||
| complex(kind=dp), | intent(in) | :: | beta | |||
| complex(kind=dp), | intent(inout) | :: | c(ldc,*) | |||
| integer(kind=ilp), | intent(in) | :: | ldc |
Module Procedures
public pure subroutine stdlib_cgemm(transa, transb, m, n, k, alpha, a, lda, b, ldb, beta, c, ldc)
CGEMM performs one of the matrix-matrix operations C := alphaop( A )op( B ) + betaC, where op( X ) is one of op( X ) = X or op( X ) = XT or op( X ) = X*H, alpha and beta are scalars, and A, B and C are matrices, with op( A ) an m by k matrix, op( B ) a k by n matrix and C an m by n matrix.
Arguments
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| character(len=1), | intent(in) | :: | transa | |||
| character(len=1), | intent(in) | :: | transb | |||
| integer(kind=ilp), | intent(in) | :: | m | |||
| integer(kind=ilp), | intent(in) | :: | n | |||
| integer(kind=ilp), | intent(in) | :: | k | |||
| complex(kind=sp), | intent(in) | :: | alpha | |||
| complex(kind=sp), | intent(in) | :: | a(lda,*) | |||
| integer(kind=ilp), | intent(in) | :: | lda | |||
| complex(kind=sp), | intent(in) | :: | b(ldb,*) | |||
| integer(kind=ilp), | intent(in) | :: | ldb | |||
| complex(kind=sp), | intent(in) | :: | beta | |||
| complex(kind=sp), | intent(inout) | :: | c(ldc,*) | |||
| integer(kind=ilp), | intent(in) | :: | ldc |
public pure subroutine stdlib_dgemm(transa, transb, m, n, k, alpha, a, lda, b, ldb, beta, c, ldc)
DGEMM performs one of the matrix-matrix operations C := alphaop( A )op( B ) + betaC, where op( X ) is one of op( X ) = X or op( X ) = X*T, alpha and beta are scalars, and A, B and C are matrices, with op( A ) an m by k matrix, op( B ) a k by n matrix and C an m by n matrix.
Arguments
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| character(len=1), | intent(in) | :: | transa | |||
| character(len=1), | intent(in) | :: | transb | |||
| integer(kind=ilp), | intent(in) | :: | m | |||
| integer(kind=ilp), | intent(in) | :: | n | |||
| integer(kind=ilp), | intent(in) | :: | k | |||
| real(kind=dp), | intent(in) | :: | alpha | |||
| real(kind=dp), | intent(in) | :: | a(lda,*) | |||
| integer(kind=ilp), | intent(in) | :: | lda | |||
| real(kind=dp), | intent(in) | :: | b(ldb,*) | |||
| integer(kind=ilp), | intent(in) | :: | ldb | |||
| real(kind=dp), | intent(in) | :: | beta | |||
| real(kind=dp), | intent(inout) | :: | c(ldc,*) | |||
| integer(kind=ilp), | intent(in) | :: | ldc |
public pure subroutine stdlib_sgemm(transa, transb, m, n, k, alpha, a, lda, b, ldb, beta, c, ldc)
SGEMM performs one of the matrix-matrix operations C := alphaop( A )op( B ) + betaC, where op( X ) is one of op( X ) = X or op( X ) = X*T, alpha and beta are scalars, and A, B and C are matrices, with op( A ) an m by k matrix, op( B ) a k by n matrix and C an m by n matrix.
Arguments
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| character(len=1), | intent(in) | :: | transa | |||
| character(len=1), | intent(in) | :: | transb | |||
| integer(kind=ilp), | intent(in) | :: | m | |||
| integer(kind=ilp), | intent(in) | :: | n | |||
| integer(kind=ilp), | intent(in) | :: | k | |||
| real(kind=sp), | intent(in) | :: | alpha | |||
| real(kind=sp), | intent(in) | :: | a(lda,*) | |||
| integer(kind=ilp), | intent(in) | :: | lda | |||
| real(kind=sp), | intent(in) | :: | b(ldb,*) | |||
| integer(kind=ilp), | intent(in) | :: | ldb | |||
| real(kind=sp), | intent(in) | :: | beta | |||
| real(kind=sp), | intent(inout) | :: | c(ldc,*) | |||
| integer(kind=ilp), | intent(in) | :: | ldc |
public pure subroutine stdlib_zgemm(transa, transb, m, n, k, alpha, a, lda, b, ldb, beta, c, ldc)
ZGEMM performs one of the matrix-matrix operations C := alphaop( A )op( B ) + betaC, where op( X ) is one of op( X ) = X or op( X ) = XT or op( X ) = X*H, alpha and beta are scalars, and A, B and C are matrices, with op( A ) an m by k matrix, op( B ) a k by n matrix and C an m by n matrix.
Arguments
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| character(len=1), | intent(in) | :: | transa | |||
| character(len=1), | intent(in) | :: | transb | |||
| integer(kind=ilp), | intent(in) | :: | m | |||
| integer(kind=ilp), | intent(in) | :: | n | |||
| integer(kind=ilp), | intent(in) | :: | k | |||
| complex(kind=dp), | intent(in) | :: | alpha | |||
| complex(kind=dp), | intent(in) | :: | a(lda,*) | |||
| integer(kind=ilp), | intent(in) | :: | lda | |||
| complex(kind=dp), | intent(in) | :: | b(ldb,*) | |||
| integer(kind=ilp), | intent(in) | :: | ldb | |||
| complex(kind=dp), | intent(in) | :: | beta | |||
| complex(kind=dp), | intent(inout) | :: | c(ldc,*) | |||
| integer(kind=ilp), | intent(in) | :: | ldc |