MPI-SCATCI 2.0
An MPI version of SCATCI
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LapackDiagonalizer_module Module Reference

Diagonalizer type using LAPACK backend. More...

Data Types

type  LapackDiagonalizer

Functions/Subroutines

subroutine choose_matelem (this, matrix_elements, num_eigenpair, dresult, all_procs, option, integrals)
subroutine diagonalize_writer (this, matrix_elements, num_eigenpair, dresult, all_procs, option, integrals)
subroutine diagonalize_generic (this, matrix_elements, num_eigenpair, eigen, vecs, all_procs)

Detailed Description

Diagonalizer type using LAPACK backend.

Authors
A Al-Refaie
Date
2017

This type is always available. Uses the LAPACK routine dsyevd. Uses a compile-time macro for the BLAS/LAPACK integer, which is long integer by default, or controllable by the compiler flags -Dblas64int/-Dblas32int.

Note
16/01/2019 - Jakub Benda: Unifom coding style and expanded documentation.

Function/Subroutine Documentation

◆ choose_matelem()

subroutine LapackDiagonalizer_module::choose_matelem ( class(lapackdiagonalizer) this,
class(basematrix), intent(in) matrix_elements,
integer, intent(in) num_eigenpair,
class(diagonalizerresult) dresult,
logical, intent(in) all_procs,
type(options), intent(in) option,
class(baseintegral), intent(in) integrals )

Definition at line 57 of file LapackDiagonalizer_module.f90.

◆ diagonalize_generic()

subroutine LapackDiagonalizer_module::diagonalize_generic ( class(lapackdiagonalizer) this,
class(basematrix), intent(in) matrix_elements,
integer, intent(in) num_eigenpair,
real(wp), dimension(:), intent(inout) eigen,
real(wp), dimension(:,:), intent(inout) vecs,
logical, intent(in) all_procs )

Definition at line 179 of file LapackDiagonalizer_module.f90.

◆ diagonalize_writer()

subroutine LapackDiagonalizer_module::diagonalize_writer ( class(lapackdiagonalizer) this,
class(writermatrix), intent(in) matrix_elements,
integer, intent(in) num_eigenpair,
class(diagonalizerresult) dresult,
logical, intent(in) all_procs,
type(options), intent(in) option,
class(baseintegral), intent(in) integrals )

Definition at line 77 of file LapackDiagonalizer_module.f90.