tools_asa007 Module Reference

Inverse of symmetric positive definite matrix routines. More...

Functions/Subroutines
subroutine, public	asa007_cholesky (mpl, n, nn, a, u, ierr)
	Compute cholesky decomposition. More...
subroutine, public	asa007_syminv (mpl, n, nn, a, c, ierr)
	Compute inverse of a symmetric matrix. More...

Variables
real(kind_real), parameter	eta = 1.0e-9_kind_real

Detailed Description

Inverse of symmetric positive definite matrix routines.

Function/Subroutine Documentation

asa007_cholesky()

subroutine, public tools_asa007::asa007_cholesky	(	type(mpl_type), intent(inout)	mpl,
		integer, intent(in)	n,
		integer, intent(in)	nn,
		real(kind_real), dimension(nn), intent(in)	a,
		real(kind_real), dimension(nn), intent(out)	u,
		integer, intent(out)	ierr
	)

Compute cholesky decomposition.

Parameters

[in,out]	mpl	MPI data
[in]	n	Matrix rank
[in]	nn	Half-matrix size (n*(n-1)/2)
[in]	a	Matrix
[out]	u	Matrix square-root
[out]	ierr	Error status

Definition at line 32 of file tools_asa007.F90.

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asa007_syminv()

subroutine, public tools_asa007::asa007_syminv	(	type(mpl_type), intent(inout)	mpl,
		integer, intent(in)	n,
		integer, intent(in)	nn,
		real(kind_real), dimension(nn), intent(in)	a,
		real(kind_real), dimension(nn), intent(out)	c,
		integer, intent(out)	ierr
	)

Compute inverse of a symmetric matrix.

Parameters

[in,out]	mpl	MPI data
[in]	n	Matrix rank
[in]	nn	Half-matrix size (n*(n-1)/2)
[in]	a	Matrix
[out]	c	Matrix inverse
[out]	ierr	Error status

Definition at line 111 of file tools_asa007.F90.

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Variable Documentation

eta

real(kind_real), parameter tools_asa007::eta = 1.0e-9_kind_real

Definition at line 21 of file tools_asa007.F90.