la_schur::schur Interface Reference

Public Member Functions
subroutine	la_s_schur (a, t, z, eigvals, overwrite_a, storage, err)
	la_real_eig_s_schur
subroutine	la_d_schur (a, t, z, eigvals, overwrite_a, storage, err)
	la_real_eig_d_schur
subroutine	la_q_schur (a, t, z, eigvals, overwrite_a, storage, err)
	la_real_eig_q_schur
subroutine	la_c_schur (a, t, z, eigvals, overwrite_a, storage, err)
	la_real_eig_c_schur
subroutine	la_z_schur (a, t, z, eigvals, overwrite_a, storage, err)
	la_real_eig_z_schur
subroutine	la_w_schur (a, t, z, eigvals, overwrite_a, storage, err)
	la_real_eig_w_schur

Member Function/Subroutine Documentation

la_c_schur()

subroutine la_schur::schur::la_c_schur	(	complex(sp), dimension(:,:), intent(inout), target	a,
		complex(sp), dimension(:,:), intent(out), target, contiguous	t,
		complex(sp), dimension(:,:), intent(out), optional, target, contiguous	z,
		complex(sp), dimension(:), intent(out), optional, target, contiguous	eigvals,
		logical(lk), intent(in), optional	overwrite_a,
		complex(sp), dimension(:), intent(inout), optional, target	storage,
		type(la_state), intent(out), optional	err
	)

Parameters

[in,out]	a	Input matrix a[m,m]
[out]	t	Schur form of A: upper-triangular or quasi-upper-triangular matrix T
[out]	z	Unitary/orthonormal transformation matrix Z
[out]	eigvals	[optional] Output eigenvalues that appear on the diagonal of T
[in,out]	storage	[optional] Provide pre-allocated workspace, size to be checked with schur_space
[in]	overwrite_a	[optional] Can A data be overwritten and destroyed?
[out]	err	[optional] State return flag. On error if not requested, the code will stop

la_d_schur()

subroutine la_schur::schur::la_d_schur	(	real(dp), dimension(:,:), intent(inout), target	a,
		real(dp), dimension(:,:), intent(out), target, contiguous	t,
		real(dp), dimension(:,:), intent(out), optional, target, contiguous	z,
		complex(dp), dimension(:), intent(out), optional, target, contiguous	eigvals,
		logical(lk), intent(in), optional	overwrite_a,
		real(dp), dimension(:), intent(inout), optional, target	storage,
		type(la_state), intent(out), optional	err
	)

Parameters

[in,out]	a	Input matrix a[m,m]
[out]	t	Schur form of A: upper-triangular or quasi-upper-triangular matrix T
[out]	z	Unitary/orthonormal transformation matrix Z
[out]	eigvals	[optional] Output eigenvalues that appear on the diagonal of T
[in,out]	storage	[optional] Provide pre-allocated workspace, size to be checked with schur_space
[in]	overwrite_a	[optional] Can A data be overwritten and destroyed?
[out]	err	[optional] State return flag. On error if not requested, the code will stop

la_q_schur()

subroutine la_schur::schur::la_q_schur	(	real(qp), dimension(:,:), intent(inout), target	a,
		real(qp), dimension(:,:), intent(out), target, contiguous	t,
		real(qp), dimension(:,:), intent(out), optional, target, contiguous	z,
		complex(qp), dimension(:), intent(out), optional, target, contiguous	eigvals,
		logical(lk), intent(in), optional	overwrite_a,
		real(qp), dimension(:), intent(inout), optional, target	storage,
		type(la_state), intent(out), optional	err
	)

Parameters

[in,out]	a	Input matrix a[m,m]
[out]	t	Schur form of A: upper-triangular or quasi-upper-triangular matrix T
[out]	z	Unitary/orthonormal transformation matrix Z
[out]	eigvals	[optional] Output eigenvalues that appear on the diagonal of T
[in,out]	storage	[optional] Provide pre-allocated workspace, size to be checked with schur_space
[in]	overwrite_a	[optional] Can A data be overwritten and destroyed?
[out]	err	[optional] State return flag. On error if not requested, the code will stop

la_real_eig_c_schur()

la_schur::schur::la_real_eig_c_schur

la_real_eig_d_schur()

la_schur::schur::la_real_eig_d_schur

la_real_eig_q_schur()

la_schur::schur::la_real_eig_q_schur

la_real_eig_s_schur()

la_schur::schur::la_real_eig_s_schur

la_real_eig_w_schur()

la_schur::schur::la_real_eig_w_schur

la_real_eig_z_schur()

la_schur::schur::la_real_eig_z_schur

la_s_schur()

subroutine la_schur::schur::la_s_schur	(	real(sp), dimension(:,:), intent(inout), target	a,
		real(sp), dimension(:,:), intent(out), target, contiguous	t,
		real(sp), dimension(:,:), intent(out), optional, target, contiguous	z,
		complex(sp), dimension(:), intent(out), optional, target, contiguous	eigvals,
		logical(lk), intent(in), optional	overwrite_a,
		real(sp), dimension(:), intent(inout), optional, target	storage,
		type(la_state), intent(out), optional	err
	)

Parameters

[in,out]	a	Input matrix a[m,m]
[out]	t	Schur form of A: upper-triangular or quasi-upper-triangular matrix T
[out]	z	Unitary/orthonormal transformation matrix Z
[out]	eigvals	[optional] Output eigenvalues that appear on the diagonal of T
[in,out]	storage	[optional] Provide pre-allocated workspace, size to be checked with schur_space
[in]	overwrite_a	[optional] Can A data be overwritten and destroyed?
[out]	err	[optional] State return flag. On error if not requested, the code will stop

la_w_schur()

subroutine la_schur::schur::la_w_schur	(	complex(qp), dimension(:,:), intent(inout), target	a,
		complex(qp), dimension(:,:), intent(out), target, contiguous	t,
		complex(qp), dimension(:,:), intent(out), optional, target, contiguous	z,
		complex(qp), dimension(:), intent(out), optional, target, contiguous	eigvals,
		logical(lk), intent(in), optional	overwrite_a,
		complex(qp), dimension(:), intent(inout), optional, target	storage,
		type(la_state), intent(out), optional	err
	)

Parameters

[in,out]	a	Input matrix a[m,m]
[out]	t	Schur form of A: upper-triangular or quasi-upper-triangular matrix T
[out]	z	Unitary/orthonormal transformation matrix Z
[out]	eigvals	[optional] Output eigenvalues that appear on the diagonal of T
[in,out]	storage	[optional] Provide pre-allocated workspace, size to be checked with schur_space
[in]	overwrite_a	[optional] Can A data be overwritten and destroyed?
[out]	err	[optional] State return flag. On error if not requested, the code will stop

la_z_schur()

subroutine la_schur::schur::la_z_schur	(	complex(dp), dimension(:,:), intent(inout), target	a,
		complex(dp), dimension(:,:), intent(out), target, contiguous	t,
		complex(dp), dimension(:,:), intent(out), optional, target, contiguous	z,
		complex(dp), dimension(:), intent(out), optional, target, contiguous	eigvals,
		logical(lk), intent(in), optional	overwrite_a,
		complex(dp), dimension(:), intent(inout), optional, target	storage,
		type(la_state), intent(out), optional	err
	)

Parameters

[in,out]	a	Input matrix a[m,m]
[out]	t	Schur form of A: upper-triangular or quasi-upper-triangular matrix T
[out]	z	Unitary/orthonormal transformation matrix Z
[out]	eigvals	[optional] Output eigenvalues that appear on the diagonal of T
[in,out]	storage	[optional] Provide pre-allocated workspace, size to be checked with schur_space
[in]	overwrite_a	[optional] Can A data be overwritten and destroyed?
[out]	err	[optional] State return flag. On error if not requested, the code will stop

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The documentation for this interface was generated from the following file:

• la_schur.f90