ScaLAPACKFX
Private Member Functions | List of all members
scalapackfx_module::scalafx_psygst Interface Reference

Reduces symmetric definite generalized eigenvalue problem to standard form. More...

Private Member Functions

subroutine scalafx_psygst_real (ibtype, aa, desca, bb, descb, scale, uplo, ia, ja, ib, jb, info)
 Reduces Hermitian-definite generalized eigenvalue problem to standard form.
 
subroutine scalafx_psygst_dreal (ibtype, aa, desca, bb, descb, scale, uplo, ia, ja, ib, jb, info)
 Reduces Hermitian-definite generalized eigenvalue problem to standard form.
 

Detailed Description

Reduces symmetric definite generalized eigenvalue problem to standard form.

Member Function/Subroutine Documentation

subroutine scalapackfx_module::scalafx_psygst::scalafx_psygst_dreal ( integer, intent(in)  ibtype,
real(dp), dimension(:,:), intent(inout)  aa,
integer, dimension(dlen_), intent(in)  desca,
real(dp), dimension(:,:), intent(in)  bb,
integer, dimension(dlen_), intent(in)  descb,
real(dp), intent(out)  scale,
character, intent(in), optional  uplo,
integer, intent(in), optional  ia,
integer, intent(in), optional  ja,
integer, intent(in), optional  ib,
integer, intent(in), optional  jb,
integer, intent(out), optional  info 
)
private

Reduces Hermitian-definite generalized eigenvalue problem to standard form.

Parameters
ibtypeType of the problem (1, 2, 3).
aaMatrix A.
descaDescriptor of matrix A.
bbRight hand side of the eigenvalue equation (B).
desbDescriptor of matrix B.
scaleScaling factors on return.
uploUpper or lower diagonal matrix (default: "L")
iaFirst row of the submatrix A (default: 1)
jaFirst column of the submatrix A (default: 1)
ibFirst row of the submatrix B (default: 1)
jbFirst column of the submatrix B (default: 1)
infoInfo flag. If not specified and SCALAPACK calls returns nozero, subroutine stops.
See Also
SCALAPACK documentation (routines p?sygst/p?hegst).
subroutine scalapackfx_module::scalafx_psygst::scalafx_psygst_real ( integer, intent(in)  ibtype,
real(sp), dimension(:,:), intent(inout)  aa,
integer, dimension(dlen_), intent(in)  desca,
real(sp), dimension(:,:), intent(in)  bb,
integer, dimension(dlen_), intent(in)  descb,
real(sp), intent(out)  scale,
character, intent(in), optional  uplo,
integer, intent(in), optional  ia,
integer, intent(in), optional  ja,
integer, intent(in), optional  ib,
integer, intent(in), optional  jb,
integer, intent(out), optional  info 
)
private

Reduces Hermitian-definite generalized eigenvalue problem to standard form.

Parameters
ibtypeType of the problem (1, 2, 3).
aaMatrix A.
descaDescriptor of matrix A.
bbRight hand side of the eigenvalue equation (B).
desbDescriptor of matrix B.
scaleScaling factors on return.
uploUpper or lower diagonal matrix (default: "L")
iaFirst row of the submatrix A (default: 1)
jaFirst column of the submatrix A (default: 1)
ibFirst row of the submatrix B (default: 1)
jbFirst column of the submatrix B (default: 1)
infoInfo flag. If not specified and SCALAPACK calls returns nozero, subroutine stops.
See Also
SCALAPACK documentation (routines p?sygst/p?hegst).

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