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131 lines
5.7 KiB
Fortran
131 lines
5.7 KiB
Fortran
!
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! Parallel Sparse BLAS version 3.5
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! (C) Copyright 2006, 2010, 2015, 2017
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! Salvatore Filippone Cranfield University
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! Alfredo Buttari CNRS-IRIT, Toulouse
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!
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! Redistribution and use in source and binary forms, with or without
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! modification, are permitted provided that the following conditions
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! are met:
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! 1. Redistributions of source code must retain the above copyright
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! notice, this list of conditions and the following disclaimer.
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! 2. Redistributions in binary form must reproduce the above copyright
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! notice, this list of conditions, and the following disclaimer in the
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! documentation and/or other materials provided with the distribution.
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! 3. The name of the PSBLAS group or the names of its contributors may
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! not be used to endorse or promote products derived from this
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! software without specific written permission.
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!
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! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
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! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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! POSSIBILITY OF SUCH DAMAGE.
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!
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!
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!
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! File: psb_krylov_mod.f90
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! Interfaces for Krylov subspace iterative methods.
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!
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Module psb_krylov_mod
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use psb_const_mod
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public
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interface psb_krylov
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Subroutine psb_skrylov_vect(method,a,prec,b,x,eps,desc_a,info,&
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& itmax,iter,err,itrace,irst,istop,cond)
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use psb_base_mod, only : psb_ipk_, psb_desc_type, psb_sspmat_type, &
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& psb_spk_, psb_s_vect_type
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use psb_prec_mod, only : psb_sprec_type
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character(len=*) :: method
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Type(psb_sspmat_type), Intent(in) :: a
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Type(psb_desc_type), Intent(in) :: desc_a
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class(psb_sprec_type), intent(inout) :: prec
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type(psb_s_vect_type), Intent(inout) :: b
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type(psb_s_vect_type), Intent(inout) :: x
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Real(psb_spk_), Intent(in) :: eps
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_), Optional, Intent(in) :: itmax, itrace, irst,istop
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integer(psb_ipk_), Optional, Intent(out) :: iter
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Real(psb_spk_), Optional, Intent(out) :: err,cond
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end Subroutine psb_skrylov_vect
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Subroutine psb_ckrylov_vect(method,a,prec,b,x,eps,desc_a,info,&
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& itmax,iter,err,itrace,irst,istop,cond)
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use psb_base_mod, only : psb_ipk_, psb_desc_type, psb_cspmat_type, &
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& psb_spk_, psb_c_vect_type
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use psb_prec_mod, only : psb_cprec_type
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character(len=*) :: method
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Type(psb_cspmat_type), Intent(in) :: a
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Type(psb_desc_type), Intent(in) :: desc_a
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class(psb_cprec_type), intent(inout) :: prec
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type(psb_c_vect_type), Intent(inout) :: b
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type(psb_c_vect_type), Intent(inout) :: x
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Real(psb_spk_), Intent(in) :: eps
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_), Optional, Intent(in) :: itmax, itrace, irst,istop
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integer(psb_ipk_), Optional, Intent(out) :: iter
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Real(psb_spk_), Optional, Intent(out) :: err,cond
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end Subroutine psb_ckrylov_vect
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Subroutine psb_dkrylov_vect(method,a,prec,b,x,eps,desc_a,info,&
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& itmax,iter,err,itrace,irst,istop,cond)
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use psb_base_mod, only : psb_ipk_, psb_desc_type, psb_dspmat_type, &
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& psb_dpk_, psb_d_vect_type
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use psb_prec_mod, only : psb_dprec_type
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character(len=*) :: method
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Type(psb_dspmat_type), Intent(in) :: a
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Type(psb_desc_type), Intent(in) :: desc_a
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class(psb_dprec_type), intent(inout) :: prec
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type(psb_d_vect_type), Intent(inout) :: b
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type(psb_d_vect_type), Intent(inout) :: x
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Real(psb_dpk_), Intent(in) :: eps
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_), Optional, Intent(in) :: itmax, itrace, irst,istop
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integer(psb_ipk_), Optional, Intent(out) :: iter
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Real(psb_dpk_), Optional, Intent(out) :: err,cond
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end Subroutine psb_dkrylov_vect
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Subroutine psb_zkrylov_vect(method,a,prec,b,x,eps,desc_a,info,&
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& itmax,iter,err,itrace,irst,istop,cond)
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use psb_base_mod, only : psb_ipk_, psb_desc_type, psb_zspmat_type, &
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& psb_dpk_, psb_z_vect_type
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use psb_prec_mod, only : psb_zprec_type
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character(len=*) :: method
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Type(psb_zspmat_type), Intent(in) :: a
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Type(psb_desc_type), Intent(in) :: desc_a
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class(psb_zprec_type), intent(inout) :: prec
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type(psb_z_vect_type), Intent(inout) :: b
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type(psb_z_vect_type), Intent(inout) :: x
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Real(psb_dpk_), Intent(in) :: eps
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_), Optional, Intent(in) :: itmax, itrace, irst,istop
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integer(psb_ipk_), Optional, Intent(out) :: iter
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Real(psb_dpk_), Optional, Intent(out) :: err,cond
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end Subroutine psb_zkrylov_vect
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end interface
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end module psb_krylov_mod
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