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psblas3/base/modules/psblas/psb_s_psblas_mod.F90

411 lines
18 KiB
Fortran

!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
!
module psb_s_psblas_mod
use psb_desc_mod, only : psb_desc_type, psb_spk_, psb_ipk_
use psb_s_vect_mod, only : psb_s_vect_type
use psb_s_mat_mod, only : psb_sspmat_type
interface psb_gedot
function psb_sdot_vect(x, y, desc_a,info) result(res)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_) :: res
type(psb_s_vect_type), intent(inout) :: x, y
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(out) :: info
end function psb_sdot_vect
function psb_sdotv(x, y, desc_a,info)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_) :: psb_sdotv
real(psb_spk_), intent(in) :: x(:), y(:)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(out) :: info
end function psb_sdotv
function psb_sdot(x, y, desc_a, info, jx, jy)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_) :: psb_sdot
real(psb_spk_), intent(in) :: x(:,:), y(:,:)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), optional, intent(in) :: jx, jy
integer(psb_ipk_), intent(out) :: info
end function psb_sdot
end interface
interface psb_gedots
subroutine psb_sdotvs(res,x, y, desc_a, info)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_), intent(out) :: res
real(psb_spk_), intent(in) :: x(:), y(:)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(out) :: info
end subroutine psb_sdotvs
subroutine psb_smdots(res,x, y, desc_a,info)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_), intent(out) :: res(:)
real(psb_spk_), intent(in) :: x(:,:), y(:,:)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(out) :: info
end subroutine psb_smdots
end interface
interface psb_geaxpby
subroutine psb_saxpby_vect(alpha, x, beta, y,&
& desc_a, info)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
type(psb_s_vect_type), intent (inout) :: x
type(psb_s_vect_type), intent (inout) :: y
real(psb_spk_), intent (in) :: alpha, beta
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), intent(out) :: info
end subroutine psb_saxpby_vect
subroutine psb_saxpbyv(alpha, x, beta, y,&
& desc_a, info)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_), intent (in) :: x(:)
real(psb_spk_), intent (inout) :: y(:)
real(psb_spk_), intent (in) :: alpha, beta
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), intent(out) :: info
end subroutine psb_saxpbyv
subroutine psb_saxpby(alpha, x, beta, y,&
& desc_a, info, n, jx, jy)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_), intent (in) :: x(:,:)
real(psb_spk_), intent (inout) :: y(:,:)
real(psb_spk_), intent (in) :: alpha, beta
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), optional, intent(in) :: n, jx, jy
integer(psb_ipk_), intent(out) :: info
end subroutine psb_saxpby
end interface
interface psb_geamax
function psb_samax(x, desc_a, info, jx)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_) psb_samax
real(psb_spk_), intent (in) :: x(:,:)
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), optional, intent (in) :: jx
integer(psb_ipk_), intent(out) :: info
end function psb_samax
function psb_samaxv(x, desc_a,info)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_) psb_samaxv
real(psb_spk_), intent (in) :: x(:)
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), intent(out) :: info
end function psb_samaxv
function psb_samax_vect(x, desc_a, info) result(res)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_) :: res
type(psb_s_vect_type), intent (inout) :: x
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), intent(out) :: info
end function psb_samax_vect
end interface
#if ! defined(HAVE_BUGGY_GENERICS)
interface psb_genrmi
procedure psb_samax, psb_samaxv, psb_samax_vect
end interface
interface psb_normi
procedure psb_samax, psb_samaxv, psb_samax_vect
end interface
#endif
interface psb_geamaxs
subroutine psb_samaxvs(res,x,desc_a,info)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_), intent (out) :: res
real(psb_spk_), intent (in) :: x(:)
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), intent(out) :: info
end subroutine psb_samaxvs
subroutine psb_smamaxs(res,x,desc_a,info,jx)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_), intent (out) :: res(:)
real(psb_spk_), intent (in) :: x(:,:)
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_), optional, intent(in) :: jx
end subroutine psb_smamaxs
end interface
interface psb_geasum
function psb_sasum_vect(x, desc_a, info) result(res)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_) :: res
type(psb_s_vect_type), intent (inout) :: x
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), intent(out) :: info
end function psb_sasum_vect
function psb_sasum(x, desc_a, info, jx)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_) psb_sasum
real(psb_spk_), intent (in) :: x(:,:)
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), optional, intent (in) :: jx
integer(psb_ipk_), intent(out) :: info
end function psb_sasum
function psb_sasumv(x, desc_a, info)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_) psb_sasumv
real(psb_spk_), intent (in) :: x(:)
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), intent(out) :: info
end function psb_sasumv
end interface
interface psb_geasums
subroutine psb_sasumvs(res,x,desc_a,info)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_), intent (out) :: res
real(psb_spk_), intent (in) :: x(:)
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), intent(out) :: info
end subroutine psb_sasumvs
subroutine psb_smasum(res,x,desc_a,info)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_), intent (out) :: res(:)
real(psb_spk_), intent (in) :: x(:,:)
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), intent(out) :: info
end subroutine psb_smasum
end interface
#if ! defined(HAVE_BUGGY_GENERICS)
interface psb_genrm1
procedure psb_sasum, psb_sasumv, psb_sasum_vect
end interface
interface psb_norm1
procedure psb_sasum, psb_sasumv, psb_sasum_vect
end interface
#endif
interface psb_genrm2
function psb_snrm2(x, desc_a, info, jx)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_) psb_snrm2
real(psb_spk_), intent (in) :: x(:,:)
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), optional, intent (in) :: jx
integer(psb_ipk_), intent(out) :: info
end function psb_snrm2
function psb_snrm2v(x, desc_a, info)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_) psb_snrm2v
real(psb_spk_), intent (in) :: x(:)
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), intent(out) :: info
end function psb_snrm2v
function psb_snrm2_vect(x, desc_a, info) result(res)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_) :: res
type(psb_s_vect_type), intent (inout) :: x
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), intent(out) :: info
end function psb_snrm2_vect
end interface
#if ! defined(HAVE_BUGGY_GENERICS)
interface psb_norm2
procedure psb_snrm2, psb_snrm2v, psb_snrm2_vect
end interface
#endif
interface psb_genrm2s
subroutine psb_snrm2vs(res,x,desc_a,info)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_), intent (out) :: res
real(psb_spk_), intent (in) :: x(:)
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), intent(out) :: info
end subroutine psb_snrm2vs
end interface
interface psb_spnrmi
function psb_snrmi(a, desc_a,info)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_) :: psb_snrmi
type(psb_sspmat_type), intent (in) :: a
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), intent(out) :: info
end function psb_snrmi
end interface
#if ! defined(HAVE_BUGGY_GENERICS)
interface psb_normi
procedure psb_snrmi
end interface
#endif
interface psb_spnrm1
function psb_sspnrm1(a, desc_a,info)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
real(psb_spk_) :: psb_sspnrm1
type(psb_sspmat_type), intent (in) :: a
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), intent(out) :: info
end function psb_sspnrm1
end interface
#if ! defined(HAVE_BUGGY_GENERICS)
interface psb_norm1
procedure psb_sspnrm1
end interface
#endif
interface psb_spmm
subroutine psb_sspmm(alpha, a, x, beta, y, desc_a, info,&
&trans, k, jx, jy,work,doswap)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
type(psb_sspmat_type), intent(in) :: a
real(psb_spk_), intent(inout), target :: x(:,:)
real(psb_spk_), intent(inout), target :: y(:,:)
real(psb_spk_), intent(in) :: alpha, beta
type(psb_desc_type), intent(in) :: desc_a
character, optional, intent(in) :: trans
real(psb_spk_), optional, intent(inout),target :: work(:)
integer(psb_ipk_), optional, intent(in) :: k, jx, jy
logical, optional, intent(in) :: doswap
integer(psb_ipk_), intent(out) :: info
end subroutine psb_sspmm
subroutine psb_sspmv(alpha, a, x, beta, y,&
& desc_a, info, trans, work,doswap)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
type(psb_sspmat_type), intent(in) :: a
real(psb_spk_), intent(inout), target :: x(:)
real(psb_spk_), intent(inout), target :: y(:)
real(psb_spk_), intent(in) :: alpha, beta
type(psb_desc_type), intent(in) :: desc_a
character, optional, intent(in) :: trans
real(psb_spk_), optional, intent(inout),target :: work(:)
logical, optional, intent(in) :: doswap
integer(psb_ipk_), intent(out) :: info
end subroutine psb_sspmv
subroutine psb_sspmv_vect(alpha, a, x, beta, y,&
& desc_a, info, trans, work,doswap)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
type(psb_sspmat_type), intent(in) :: a
type(psb_s_vect_type), intent(inout) :: x
type(psb_s_vect_type), intent(inout) :: y
real(psb_spk_), intent(in) :: alpha, beta
type(psb_desc_type), intent(in) :: desc_a
character, optional, intent(in) :: trans
real(psb_spk_), optional, intent(inout),target :: work(:)
logical, optional, intent(in) :: doswap
integer(psb_ipk_), intent(out) :: info
end subroutine psb_sspmv_vect
end interface
interface psb_spsm
subroutine psb_sspsm(alpha, t, x, beta, y,&
& desc_a, info, trans, scale, choice,&
& diag, n, jx, jy, work)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
type(psb_sspmat_type), intent(in) :: t
real(psb_spk_), intent(in), target :: x(:,:)
real(psb_spk_), intent(inout), target :: y(:,:)
real(psb_spk_), intent(in) :: alpha, beta
type(psb_desc_type), intent(in) :: desc_a
character, optional, intent(in) :: trans, scale
integer(psb_ipk_), optional, intent(in) :: n, jx, jy
integer(psb_ipk_), optional, intent(in) :: choice
real(psb_spk_), optional, intent(in), target :: diag(:)
real(psb_spk_), optional, intent(inout), target :: work(:)
integer(psb_ipk_), intent(out) :: info
end subroutine psb_sspsm
subroutine psb_sspsv(alpha, t, x, beta, y,&
& desc_a, info, trans, scale, choice,&
& diag, work)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
type(psb_sspmat_type), intent(in) :: t
real(psb_spk_), intent(in), target :: x(:)
real(psb_spk_), intent(inout), target :: y(:)
real(psb_spk_), intent(in) :: alpha, beta
type(psb_desc_type), intent(in) :: desc_a
character, optional, intent(in) :: trans, scale
integer(psb_ipk_), optional, intent(in) :: choice
real(psb_spk_), optional, intent(in), target :: diag(:)
real(psb_spk_), optional, intent(inout), target :: work(:)
integer(psb_ipk_), intent(out) :: info
end subroutine psb_sspsv
subroutine psb_sspsv_vect(alpha, t, x, beta, y,&
& desc_a, info, trans, scale, choice,&
& diag, work)
import :: psb_desc_type, psb_spk_, psb_ipk_, &
& psb_s_vect_type, psb_sspmat_type
type(psb_sspmat_type), intent(inout) :: t
type(psb_s_vect_type), intent(inout) :: x
type(psb_s_vect_type), intent(inout) :: y
real(psb_spk_), intent(in) :: alpha, beta
type(psb_desc_type), intent(in) :: desc_a
character, optional, intent(in) :: trans, scale
integer(psb_ipk_), optional, intent(in) :: choice
type(psb_s_vect_type), intent(inout), optional :: diag
real(psb_spk_), optional, intent(inout), target :: work(:)
integer(psb_ipk_), intent(out) :: info
end subroutine psb_sspsv_vect
end interface
end module psb_s_psblas_mod