sfrk Interface

public interface sfrk

Level 3 BLAS like routine for C in RFP Format. SFRK performs one of the symmetric rank--k operations C := alphaAAT + betaC, or C := alphaATA + betaC, where alpha and beta are real scalars, C is an n--by--n symmetric matrix and A is an n--by--k matrix in the first case and a k--by--n matrix in the second case.


Subroutines

public pure subroutine dsfrk(transr, uplo, trans, n, k, alpha, a, lda, beta, c)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: transr
character(len=1), intent(in) :: uplo
character(len=1), intent(in) :: trans
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) :: beta
real(kind=dp), intent(inout) :: c(*)

public pure subroutine ssfrk(transr, uplo, trans, n, k, alpha, a, lda, beta, c)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: transr
character(len=1), intent(in) :: uplo
character(len=1), intent(in) :: trans
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) :: beta
real(kind=sp), intent(inout) :: c(*)

Module Procedures

public interface stdlib_dsfrk()

Arguments

None

public interface stdlib_ssfrk()

Arguments

None