Elmer FEM solver Elmer is an open source finite element software for multiphysical problems
IterativeMethods.src File Reference

## Data Types

module  iterativemethods

## Functions/Subroutines

subroutine sgs (n, A, x, b, Rounds, MinTolerance, MaxTolerance, Residual, Converged, Diverged, OutputInterval, Omega)

subroutine jacobi (n, A, x, b, Rounds, MinTolerance, MaxTolerance, Residual, Converged, Diverged, OutputInterval)

subroutine richardson (n, A, x, b, Rounds, MinTolerance, MaxTolerance, Residual, Converged, Diverged, OutputInterval)

subroutine c_matvec (u, v, ipar)

subroutine c_lpcond (u, v, ipar)

subroutine realbicgstabl (n, A, x, b, MaxRounds, Tol, MaxTol, Converged, Diverged, OutputInterval, l, StoppingCriterionType)

subroutine gcr (n, A, x, b, Rounds, MinTolerance, MaxTolerance, Residual, Converged, Diverged, OutputInterval, m)

subroutine gcr_z (n, A, x, b, Rounds, MinTolerance, MaxTolerance, Residual, Converged, Diverged, OutputInterval, m)

subroutine complexbicgstabl (n, A, x, b, MaxRounds, Tol, MaxTol, Converged, Diverged, OutputInterval, l, StoppingCriterionType)

## Function/Subroutine Documentation

 subroutine itermethod_bicgstabl::c_lpcond ( real(kind=dp), dimension(*) u, real(kind=dp), dimension(*) v, integer, dimension(*) ipar )

Referenced by realbicgstabl().

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 subroutine itermethod_bicgstabl::c_matvec ( real(kind=dp), dimension(*) u, real(kind=dp), dimension(*) v, integer, dimension(*) ipar )

Referenced by realbicgstabl().

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 subroutine itermethod_z_bicgstabl::complexbicgstabl ( integer n, type(matrix_t), pointer A, complex(kind=dp), dimension(n) x, complex(kind=dp), dimension(n) b, integer MaxRounds, real(kind=dp) Tol, real(kind=dp) MaxTol, logical Converged, logical Diverged, integer OutputInterval, integer l, integer, optional StoppingCriterionType )

References messages::fatal().

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 subroutine itermethod_gcr::gcr ( integer n, type(matrix_t), pointer A, real(kind=dp), dimension(n) x, real(kind=dp), dimension(n) b, integer Rounds, real(kind=dp) MinTolerance, real(kind=dp) MaxTolerance, real(kind=dp) Residual, logical Converged, logical Diverged, integer OutputInterval, integer m )

Referenced by iterativemethods::itermethod_gcr().

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 subroutine itermethod_z_gcr::gcr_z ( integer n, type(matrix_t), pointer A, complex(kind=dp), dimension(n) x, complex(kind=dp), dimension(n) b, integer Rounds, real(kind=dp) MinTolerance, real(kind=dp) MaxTolerance, real(kind=dp) Residual, logical Converged, logical Diverged, integer OutputInterval, integer m )

Referenced by iterativemethods::itermethod_z_gcr().

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 subroutine itermethod_jacobi::jacobi ( integer n, type(matrix_t), pointer A, real(kind=dp), dimension(n) x, real(kind=dp), dimension(n) b, integer Rounds, real(kind=dp) MinTolerance, real(kind=dp) MaxTolerance, real(kind=dp) Residual, logical Converged, logical Diverged, integer OutputInterval )

Referenced by iterativemethods::itermethod_jacobi(), and smoothers::mgsmooth().

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 subroutine itermethod_bicgstabl::realbicgstabl ( integer n, type(matrix_t), pointer A, real(kind=dp), dimension(n) x, real(kind=dp), dimension(n) b, integer MaxRounds, real(kind=dp) Tol, real(kind=dp) MaxTol, logical Converged, logical Diverged, integer OutputInterval, integer l, integer, optional StoppingCriterionType )

The subroutine has been written using as a starting point the work of D.R. Fokkema (subroutine zbistbl v1.1 1998). Dr. Fokkema has given the right to distribute the derived work under GPL and hence the original more conservative copyright notice of the subroutine has been removed accordingly.

References c_lpcond(), c_matvec(), and messages::fatal().

Referenced by iterativemethods::itermethod_bicgstabl().

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 subroutine itermethod_richardson::richardson ( integer n, type(matrix_t), pointer A, real(kind=dp), dimension(n) x, real(kind=dp), dimension(n) b, integer Rounds, real(kind=dp) MinTolerance, real(kind=dp) MaxTolerance, real(kind=dp) Residual, logical Converged, logical Diverged, integer OutputInterval )

Referenced by iterativemethods::itermethod_richardson().

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 subroutine itermethod_sgs::sgs ( integer n, type(matrix_t), pointer A, real(kind=dp), dimension(n) x, real(kind=dp), dimension(n) b, integer Rounds, real(kind=dp) MinTolerance, real(kind=dp) MaxTolerance, real(kind=dp) Residual, logical Converged, logical Diverged, integer OutputInterval, real(kind=dp) Omega )

Referenced by iterativemethods::itermethod_sgs(), and smoothers::mgsmooth().

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