Return the Rank-K Update of a Real or Complex Symmetric or a Complex Hermitian matrix.
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Public Member Functions
pure subroutine	zsyrk (uplo, trans, n, k, alpha, a, lda, beta, c, ldc)

pure subroutine	csyrk (uplo, trans, n, k, alpha, a, lda, beta, c, ldc)

pure subroutine	dsyrk (uplo, trans, n, k, alpha, a, lda, beta, c, ldc)

pure subroutine	ssyrk (uplo, trans, n, k, alpha, a, lda, beta, c, ldc)

Detailed Description

Return the Rank-K Update of a Real or Complex Symmetric or a Complex Hermitian matrix.

\begin{equation} C = \alpha A A^T + \beta C, C = \alpha A^T A + \beta C, \end{equation}

This generic interface offers a compile-time resolution to the BLAS ssyrk, dsyrk, csyrk, zsyrk matrix update routines.
See the documentation of reference BLAS library for the definition of the input arguments.

See also: pm_matrixUpdate

Final Remarks ⛓

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For details on the naming abbreviations, see this page.
For details on the naming conventions, see this page.
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Copyright: Computational Data Science Lab

Author:: Amir Shahmoradi, Friday 1:54 AM, April 21, 2017, Institute for Computational Engineering and Sciences (ICES), The University of Texas, Austin, TX

Definition at line 672 of file pm_blas.F90.

Member Function/Subroutine Documentation

◆ csyrk()

pure subroutine pm_blas::blasSYRK::csyrk	(	character, intent(in)	uplo,
		character, intent(in)	trans,
		integer(IK), intent(in)	n,
		integer(IK), intent(in)	k,
		complex(TKG), intent(in)	alpha,
		complex(TKG), intent(in)	a,
		integer(IK), intent(in)	lda,
		complex(TKG), intent(in)	beta,
		complex(TKG), intent(inout)	c,
		integer(IK), intent(in)	ldc
	)

Definition at line 681 of file pm_blas.F90.

References pm_kind::IK, and pm_kind::RKS.

◆ dsyrk()

pure subroutine pm_blas::blasSYRK::dsyrk	(	character, intent(in)	uplo,
		character, intent(in)	trans,
		integer(IK), intent(in)	n,
		integer(IK), intent(in)	k,
		real(TKG), intent(in)	alpha,
		real(TKG), intent(in)	a,
		integer(IK), intent(in)	lda,
		real(TKG), intent(in)	beta,
		real(TKG), intent(inout)	c,
		integer(IK), intent(in)	ldc
	)

Definition at line 689 of file pm_blas.F90.

References pm_kind::IK, and pm_kind::RKD.

◆ ssyrk()

pure subroutine pm_blas::blasSYRK::ssyrk	(	character, intent(in)	uplo,
		character, intent(in)	trans,
		integer(IK), intent(in)	n,
		integer(IK), intent(in)	k,
		real(TKG), intent(in)	alpha,
		real(TKG), intent(in)	a,
		integer(IK), intent(in)	lda,
		real(TKG), intent(in)	beta,
		real(TKG), intent(inout)	c,
		integer(IK), intent(in)	ldc
	)

Definition at line 697 of file pm_blas.F90.

References pm_kind::IK, and pm_kind::RKS.

◆ zsyrk()

pure subroutine pm_blas::blasSYRK::zsyrk	(	character, intent(in)	uplo,
		character, intent(in)	trans,
		integer(IK), intent(in)	n,
		integer(IK), intent(in)	k,
		complex(TKG), intent(in)	alpha,
		complex(TKG), intent(in)	a,
		integer(IK), intent(in)	lda,
		complex(TKG), intent(in)	beta,
		complex(TKG), intent(inout)	c,
		integer(IK), intent(in)	ldc
	)

Definition at line 673 of file pm_blas.F90.