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ScalES-PPM
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generic solve function and multi-precision iterative refinement More...
Data Types | |
interface | solve |
general solve function to solve Ax = b in single/double precision More... | |
Functions/Subroutines | |
integer function | iter_refinement (A_dp, A_sp, b, x, ext_x, exchange_sp, tol_opt, maxiter_opt) |
multi-precision iterative refinement More... | |
integer function | solve_sp (A, b, x, ext_x, exchange, tol_opt, maxiter_opt) |
integer function | solve_dp (A, b, x, ext_x, exchange, tol_opt, maxiter_opt) |
generic solve function and multi-precision iterative refinement
integer function solver_all::iter_refinement | ( | A_dp, | |
A_sp, | |||
real(dp), dimension(:,:), intent(in) | b, | ||
real(dp), dimension(:,:), intent(inout) | x, | ||
type(extent), dimension(:), intent(in) | ext_x, | ||
exchange_sp, | |||
real(dp), intent(in), optional | tol_opt, | ||
integer, intent(in), optional | maxiter_opt | ||
) |
multi-precision iterative refinement
[in] | A_dp | linear operator like matrix multiplication in double precision |
[in] | A_sp | linear operator like matrix multiplication in single precision |
[in] | b | right hand side in double precision |
[in,out] | x | start vector in double precision, hold solution in the end |
[in] | ext_x | extent of x |
[in] | exchange_sp | single precision boundary exchange function |
[in] | tol_opt | optional stopping tolerance for relative residual |
[in] | maxiter_opt | optional maximum number of iterations |
Das diesem Bericht zugrundeliegende Vorhaben wurde mit Mitteln des Bundesministeriums für Bildung, und Forschung unter dem Förderkennzeichen 01IH08004E gefördert. Die Verantwortung für den Inhalt dieser Veröffentlichung liegt beim Autor.