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psblas3/base/modules/psb_c_csr_mat_mod.f03

1605 lines
40 KiB
Fortran

module psb_c_csr_mat_mod
use psb_c_base_mat_mod
type, extends(psb_c_base_sparse_mat) :: psb_c_csr_sparse_mat
integer, allocatable :: irp(:), ja(:)
complex(psb_spk_), allocatable :: val(:)
contains
procedure, pass(a) :: get_nzeros => c_csr_get_nzeros
procedure, pass(a) :: get_fmt => c_csr_get_fmt
procedure, pass(a) :: get_diag => c_csr_get_diag
procedure, pass(a) :: c_base_csmm => c_csr_csmm
procedure, pass(a) :: c_base_csmv => c_csr_csmv
procedure, pass(a) :: c_base_cssm => c_csr_cssm
procedure, pass(a) :: c_base_cssv => c_csr_cssv
procedure, pass(a) :: c_scals => c_csr_scals
procedure, pass(a) :: c_scal => c_csr_scal
procedure, pass(a) :: csnmi => c_csr_csnmi
procedure, pass(a) :: reallocate_nz => c_csr_reallocate_nz
procedure, pass(a) :: csput => c_csr_csput
procedure, pass(a) :: allocate_mnnz => c_csr_allocate_mnnz
procedure, pass(a) :: cp_to_coo => c_cp_csr_to_coo
procedure, pass(a) :: cp_from_coo => c_cp_csr_from_coo
procedure, pass(a) :: cp_to_fmt => c_cp_csr_to_fmt
procedure, pass(a) :: cp_from_fmt => c_cp_csr_from_fmt
procedure, pass(a) :: mv_to_coo => c_mv_csr_to_coo
procedure, pass(a) :: mv_from_coo => c_mv_csr_from_coo
procedure, pass(a) :: mv_to_fmt => c_mv_csr_to_fmt
procedure, pass(a) :: mv_from_fmt => c_mv_csr_from_fmt
procedure, pass(a) :: csgetptn => c_csr_csgetptn
procedure, pass(a) :: c_csgetrow => c_csr_csgetrow
procedure, pass(a) :: get_nz_row => c_csr_get_nz_row
procedure, pass(a) :: get_size => c_csr_get_size
procedure, pass(a) :: free => c_csr_free
procedure, pass(a) :: trim => c_csr_trim
procedure, pass(a) :: print => c_csr_print
procedure, pass(a) :: sizeof => c_csr_sizeof
procedure, pass(a) :: reinit => c_csr_reinit
procedure, pass(a) :: c_csr_cp_from
generic, public :: cp_from => c_csr_cp_from
procedure, pass(a) :: c_csr_mv_from
generic, public :: mv_from => c_csr_mv_from
end type psb_c_csr_sparse_mat
private :: c_csr_get_nzeros, c_csr_csmm, c_csr_csmv, c_csr_cssm, c_csr_cssv, &
& c_csr_csput, c_csr_reallocate_nz, c_csr_allocate_mnnz, &
& c_csr_free, c_csr_print, c_csr_get_fmt, c_csr_csnmi, get_diag, &
& c_cp_csr_to_coo, c_cp_csr_from_coo, &
& c_mv_csr_to_coo, c_mv_csr_from_coo, &
& c_cp_csr_to_fmt, c_cp_csr_from_fmt, &
& c_mv_csr_to_fmt, c_mv_csr_from_fmt, &
& c_csr_scals, c_csr_scal, c_csr_trim, c_csr_csgetrow, c_csr_get_size, &
& c_csr_sizeof, c_csr_csgetptn, c_csr_get_nz_row, c_csr_reinit
!!$, &
!!$ & c_csr_mv_from, c_csr_mv_from
interface
subroutine c_cp_csr_to_fmt_impl(a,b,info)
use psb_const_mod
use psb_c_base_mat_mod
import psb_c_csr_sparse_mat
class(psb_c_csr_sparse_mat), intent(in) :: a
class(psb_c_base_sparse_mat), intent(out) :: b
integer, intent(out) :: info
end subroutine c_cp_csr_to_fmt_impl
end interface
interface
subroutine c_cp_csr_from_fmt_impl(a,b,info)
use psb_const_mod
use psb_c_base_mat_mod
import psb_c_csr_sparse_mat
class(psb_c_csr_sparse_mat), intent(inout) :: a
class(psb_c_base_sparse_mat), intent(in) :: b
integer, intent(out) :: info
end subroutine c_cp_csr_from_fmt_impl
end interface
interface
subroutine c_cp_csr_to_coo_impl(a,b,info)
use psb_const_mod
use psb_c_base_mat_mod
import psb_c_csr_sparse_mat
class(psb_c_csr_sparse_mat), intent(in) :: a
class(psb_c_coo_sparse_mat), intent(out) :: b
integer, intent(out) :: info
end subroutine c_cp_csr_to_coo_impl
end interface
interface
subroutine c_cp_csr_from_coo_impl(a,b,info)
use psb_const_mod
use psb_c_base_mat_mod
import psb_c_csr_sparse_mat
class(psb_c_csr_sparse_mat), intent(inout) :: a
class(psb_c_coo_sparse_mat), intent(in) :: b
integer, intent(out) :: info
end subroutine c_cp_csr_from_coo_impl
end interface
interface
subroutine c_mv_csr_to_fmt_impl(a,b,info)
use psb_const_mod
use psb_c_base_mat_mod
import psb_c_csr_sparse_mat
class(psb_c_csr_sparse_mat), intent(inout) :: a
class(psb_c_base_sparse_mat), intent(out) :: b
integer, intent(out) :: info
end subroutine c_mv_csr_to_fmt_impl
end interface
interface
subroutine c_mv_csr_from_fmt_impl(a,b,info)
use psb_const_mod
use psb_c_base_mat_mod
import psb_c_csr_sparse_mat
class(psb_c_csr_sparse_mat), intent(inout) :: a
class(psb_c_base_sparse_mat), intent(inout) :: b
integer, intent(out) :: info
end subroutine c_mv_csr_from_fmt_impl
end interface
interface
subroutine c_mv_csr_to_coo_impl(a,b,info)
use psb_const_mod
use psb_c_base_mat_mod
import psb_c_csr_sparse_mat
class(psb_c_csr_sparse_mat), intent(inout) :: a
class(psb_c_coo_sparse_mat), intent(out) :: b
integer, intent(out) :: info
end subroutine c_mv_csr_to_coo_impl
end interface
interface
subroutine c_mv_csr_from_coo_impl(a,b,info)
use psb_const_mod
use psb_c_base_mat_mod
import psb_c_csr_sparse_mat
class(psb_c_csr_sparse_mat), intent(inout) :: a
class(psb_c_coo_sparse_mat), intent(inout) :: b
integer, intent(out) :: info
end subroutine c_mv_csr_from_coo_impl
end interface
interface
subroutine c_csr_csput_impl(nz,ia,ja,val,a,imin,imax,jmin,jmax,info,gtl)
use psb_const_mod
import psb_c_csr_sparse_mat
class(psb_c_csr_sparse_mat), intent(inout) :: a
complex(psb_spk_), intent(in) :: val(:)
integer, intent(in) :: nz, ia(:), ja(:), imin,imax,jmin,jmax
integer, intent(out) :: info
integer, intent(in), optional :: gtl(:)
end subroutine c_csr_csput_impl
end interface
interface
subroutine c_csr_csgetptn_impl(imin,imax,a,nz,ia,ja,info,&
& jmin,jmax,iren,append,nzin,rscale,cscale)
use psb_const_mod
import psb_c_csr_sparse_mat
implicit none
class(psb_c_csr_sparse_mat), intent(in) :: a
integer, intent(in) :: imin,imax
integer, intent(out) :: nz
integer, allocatable, intent(inout) :: ia(:), ja(:)
integer,intent(out) :: info
logical, intent(in), optional :: append
integer, intent(in), optional :: iren(:)
integer, intent(in), optional :: jmin,jmax, nzin
logical, intent(in), optional :: rscale,cscale
end subroutine c_csr_csgetptn_impl
end interface
interface
subroutine c_csr_csgetrow_impl(imin,imax,a,nz,ia,ja,val,info,&
& jmin,jmax,iren,append,nzin,rscale,cscale)
use psb_const_mod
import psb_c_csr_sparse_mat
implicit none
class(psb_c_csr_sparse_mat), intent(in) :: a
integer, intent(in) :: imin,imax
integer, intent(out) :: nz
integer, allocatable, intent(inout) :: ia(:), ja(:)
complex(psb_spk_), allocatable, intent(inout) :: val(:)
integer,intent(out) :: info
logical, intent(in), optional :: append
integer, intent(in), optional :: iren(:)
integer, intent(in), optional :: jmin,jmax, nzin
logical, intent(in), optional :: rscale,cscale
end subroutine c_csr_csgetrow_impl
end interface
interface c_csr_cssm_impl
subroutine c_csr_cssv_impl(alpha,a,x,beta,y,info,trans)
use psb_const_mod
import psb_c_csr_sparse_mat
class(psb_c_csr_sparse_mat), intent(in) :: a
complex(psb_spk_), intent(in) :: alpha, beta, x(:)
complex(psb_spk_), intent(inout) :: y(:)
integer, intent(out) :: info
character, optional, intent(in) :: trans
end subroutine c_csr_cssv_impl
subroutine c_csr_cssm_impl(alpha,a,x,beta,y,info,trans)
use psb_const_mod
import psb_c_csr_sparse_mat
class(psb_c_csr_sparse_mat), intent(in) :: a
complex(psb_spk_), intent(in) :: alpha, beta, x(:,:)
complex(psb_spk_), intent(inout) :: y(:,:)
integer, intent(out) :: info
character, optional, intent(in) :: trans
end subroutine c_csr_cssm_impl
end interface
interface c_csr_csmm_impl
subroutine c_csr_csmv_impl(alpha,a,x,beta,y,info,trans)
use psb_const_mod
import psb_c_csr_sparse_mat
class(psb_c_csr_sparse_mat), intent(in) :: a
complex(psb_spk_), intent(in) :: alpha, beta, x(:)
complex(psb_spk_), intent(inout) :: y(:)
integer, intent(out) :: info
character, optional, intent(in) :: trans
end subroutine c_csr_csmv_impl
subroutine c_csr_csmm_impl(alpha,a,x,beta,y,info,trans)
use psb_const_mod
import psb_c_csr_sparse_mat
class(psb_c_csr_sparse_mat), intent(in) :: a
complex(psb_spk_), intent(in) :: alpha, beta, x(:,:)
complex(psb_spk_), intent(inout) :: y(:,:)
integer, intent(out) :: info
character, optional, intent(in) :: trans
end subroutine c_csr_csmm_impl
end interface
interface c_csr_csnmi_impl
function c_csr_csnmi_impl(a) result(res)
use psb_const_mod
import psb_c_csr_sparse_mat
class(psb_c_csr_sparse_mat), intent(in) :: a
real(psb_spk_) :: res
end function c_csr_csnmi_impl
end interface
contains
!=====================================
!
!
!
! Getters
!
!
!
!
!
!=====================================
function c_csr_sizeof(a) result(res)
implicit none
class(psb_c_csr_sparse_mat), intent(in) :: a
integer(psb_long_int_k_) :: res
res = 8
res = res + 2*psb_sizeof_sp * size(a%val)
res = res + psb_sizeof_int * size(a%irp)
res = res + psb_sizeof_int * size(a%ja)
end function c_csr_sizeof
function c_csr_get_fmt(a) result(res)
implicit none
class(psb_c_csr_sparse_mat), intent(in) :: a
character(len=5) :: res
res = 'CSR'
end function c_csr_get_fmt
function c_csr_get_nzeros(a) result(res)
implicit none
class(psb_c_csr_sparse_mat), intent(in) :: a
integer :: res
res = a%irp(a%get_nrows()+1)-1
end function c_csr_get_nzeros
function c_csr_get_size(a) result(res)
implicit none
class(psb_c_csr_sparse_mat), intent(in) :: a
integer :: res
res = -1
if (allocated(a%ja)) then
if (res >= 0) then
res = min(res,size(a%ja))
else
res = size(a%ja)
end if
end if
if (allocated(a%val)) then
if (res >= 0) then
res = min(res,size(a%val))
else
res = size(a%val)
end if
end if
end function c_csr_get_size
function c_csr_get_nz_row(idx,a) result(res)
use psb_const_mod
implicit none
class(psb_c_csr_sparse_mat), intent(in) :: a
integer, intent(in) :: idx
integer :: res
res = 0
if ((1<=idx).and.(idx<=a%get_nrows())) then
res = a%irp(idx+1)-a%irp(idx)
end if
end function c_csr_get_nz_row
!=====================================
!
!
!
! Data management
!
!
!
!
!
!=====================================
subroutine c_csr_reallocate_nz(nz,a)
use psb_error_mod
use psb_realloc_mod
implicit none
integer, intent(in) :: nz
class(psb_c_csr_sparse_mat), intent(inout) :: a
Integer :: err_act, info
character(len=20) :: name='c_csr_reallocate_nz'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
call psb_realloc(nz,a%ja,info)
if (info == 0) call psb_realloc(nz,a%val,info)
if (info == 0) call psb_realloc(&
& max(nz,a%get_nrows()+1,a%get_ncols()+1),a%irp,info)
if (info /= 0) then
call psb_errpush(4000,name)
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine c_csr_reallocate_nz
subroutine c_csr_csput(nz,ia,ja,val,a,imin,imax,jmin,jmax,info,gtl)
use psb_const_mod
use psb_error_mod
implicit none
class(psb_c_csr_sparse_mat), intent(inout) :: a
complex(psb_spk_), intent(in) :: val(:)
integer, intent(in) :: nz, ia(:), ja(:), imin,imax,jmin,jmax
integer, intent(out) :: info
integer, intent(in), optional :: gtl(:)
Integer :: err_act
character(len=20) :: name='c_csr_csput'
logical, parameter :: debug=.false.
integer :: nza, i,j,k, nzl, isza, int_err(5)
call psb_erractionsave(err_act)
info = 0
if (nz <= 0) then
info = 10
int_err(1)=1
call psb_errpush(info,name,i_err=int_err)
goto 9999
end if
if (size(ia) < nz) then
info = 35
int_err(1)=2
call psb_errpush(info,name,i_err=int_err)
goto 9999
end if
if (size(ja) < nz) then
info = 35
int_err(1)=3
call psb_errpush(info,name,i_err=int_err)
goto 9999
end if
if (size(val) < nz) then
info = 35
int_err(1)=4
call psb_errpush(info,name,i_err=int_err)
goto 9999
end if
if (nz == 0) return
call c_csr_csput_impl(nz,ia,ja,val,a,imin,imax,jmin,jmax,info,gtl)
if (info /= 0) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine c_csr_csput
subroutine c_csr_csgetptn(imin,imax,a,nz,ia,ja,info,&
& jmin,jmax,iren,append,nzin,rscale,cscale)
! Output is always in COO format
use psb_error_mod
use psb_const_mod
implicit none
class(psb_c_csr_sparse_mat), intent(in) :: a
integer, intent(in) :: imin,imax
integer, intent(out) :: nz
integer, allocatable, intent(inout) :: ia(:), ja(:)
integer,intent(out) :: info
logical, intent(in), optional :: append
integer, intent(in), optional :: iren(:)
integer, intent(in), optional :: jmin,jmax, nzin
logical, intent(in), optional :: rscale,cscale
Integer :: err_act
character(len=20) :: name='csget'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = 0
call c_csr_csgetptn_impl(imin,imax,a,nz,ia,ja,info,&
& jmin,jmax,iren,append,nzin,rscale,cscale)
if (info /= 0) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine c_csr_csgetptn
subroutine c_csr_csgetrow(imin,imax,a,nz,ia,ja,val,info,&
& jmin,jmax,iren,append,nzin,rscale,cscale)
! Output is always in COO format
use psb_error_mod
use psb_const_mod
implicit none
class(psb_c_csr_sparse_mat), intent(in) :: a
integer, intent(in) :: imin,imax
integer, intent(out) :: nz
integer, allocatable, intent(inout) :: ia(:), ja(:)
complex(psb_spk_), allocatable, intent(inout) :: val(:)
integer,intent(out) :: info
logical, intent(in), optional :: append
integer, intent(in), optional :: iren(:)
integer, intent(in), optional :: jmin,jmax, nzin
logical, intent(in), optional :: rscale,cscale
Integer :: err_act
character(len=20) :: name='csget'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = 0
call c_csr_csgetrow_impl(imin,imax,a,nz,ia,ja,val,info,&
& jmin,jmax,iren,append,nzin,rscale,cscale)
if (info /= 0) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine c_csr_csgetrow
subroutine c_csr_csgetblk(imin,imax,a,b,info,&
& jmin,jmax,iren,append,rscale,cscale)
! Output is always in COO format
use psb_error_mod
use psb_const_mod
implicit none
class(psb_c_csr_sparse_mat), intent(in) :: a
class(psb_c_coo_sparse_mat), intent(inout) :: b
integer, intent(in) :: imin,imax
integer,intent(out) :: info
logical, intent(in), optional :: append
integer, intent(in), optional :: iren(:)
integer, intent(in), optional :: jmin,jmax
logical, intent(in), optional :: rscale,cscale
Integer :: err_act, nzin, nzout
character(len=20) :: name='csget'
logical :: append_
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = 0
if (present(append)) then
append_ = append
else
append_ = .false.
endif
if (append_) then
nzin = a%get_nzeros()
else
nzin = 0
endif
call a%csget(imin,imax,nzout,b%ia,b%ja,b%val,info,&
& jmin=jmin, jmax=jmax, iren=iren, append=append_, &
& nzin=nzin, rscale=rscale, cscale=cscale)
if (info /= 0) goto 9999
call b%set_nzeros(nzin+nzout)
call b%fix(info)
if (info /= 0) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine c_csr_csgetblk
subroutine c_csr_csclip(a,b,info,&
& imin,imax,jmin,jmax,rscale,cscale)
! Output is always in COO format
use psb_error_mod
use psb_const_mod
implicit none
class(psb_c_csr_sparse_mat), intent(in) :: a
class(psb_c_coo_sparse_mat), intent(out) :: b
integer,intent(out) :: info
integer, intent(in), optional :: imin,imax,jmin,jmax
logical, intent(in), optional :: rscale,cscale
Integer :: err_act, nzin, nzout, imin_, imax_, jmin_, jmax_, mb,nb
character(len=20) :: name='csget'
logical :: rscale_, cscale_
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = 0
nzin = 0
if (present(imin)) then
imin_ = imin
else
imin_ = 1
end if
if (present(imax)) then
imax_ = imax
else
imax_ = a%get_nrows()
end if
if (present(jmin)) then
jmin_ = jmin
else
jmin_ = 1
end if
if (present(jmax)) then
jmax_ = jmax
else
jmax_ = a%get_ncols()
end if
if (present(rscale)) then
rscale_ = rscale
else
rscale_ = .true.
end if
if (present(cscale)) then
cscale_ = cscale
else
cscale_ = .true.
end if
if (rscale_) then
mb = imax_ - imin_ +1
else
mb = a%get_nrows() ! Should this be imax_ ??
endif
if (cscale_) then
nb = jmax_ - jmin_ +1
else
nb = a%get_ncols() ! Should this be jmax_ ??
endif
call b%allocate(mb,nb)
call a%csget(imin_,imax_,nzout,b%ia,b%ja,b%val,info,&
& jmin=jmin_, jmax=jmax_, append=.false., &
& nzin=nzin, rscale=rscale_, cscale=cscale_)
if (info /= 0) goto 9999
call b%set_nzeros(nzin+nzout)
call b%fix(info)
if (info /= 0) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine c_csr_csclip
subroutine c_csr_free(a)
implicit none
class(psb_c_csr_sparse_mat), intent(inout) :: a
if (allocated(a%irp)) deallocate(a%irp)
if (allocated(a%ja)) deallocate(a%ja)
if (allocated(a%val)) deallocate(a%val)
call a%set_null()
call a%set_nrows(0)
call a%set_ncols(0)
return
end subroutine c_csr_free
subroutine c_csr_reinit(a,clear)
use psb_error_mod
implicit none
class(psb_c_csr_sparse_mat), intent(inout) :: a
logical, intent(in), optional :: clear
Integer :: err_act, info
character(len=20) :: name='reinit'
logical :: clear_
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = 0
if (present(clear)) then
clear_ = clear
else
clear_ = .true.
end if
if (a%is_bld() .or. a%is_upd()) then
! do nothing
return
else if (a%is_asb()) then
if (clear_) a%val(:) = czero
call a%set_upd()
else
info = 1121
call psb_errpush(info,name)
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine c_csr_reinit
subroutine c_csr_trim(a)
use psb_realloc_mod
use psb_error_mod
implicit none
class(psb_c_csr_sparse_mat), intent(inout) :: a
Integer :: err_act, info, nz, m
character(len=20) :: name='trim'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = 0
m = a%get_nrows()
nz = a%get_nzeros()
if (info == 0) call psb_realloc(m+1,a%irp,info)
if (info == 0) call psb_realloc(nz,a%ja,info)
if (info == 0) call psb_realloc(nz,a%val,info)
if (info /= 0) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine c_csr_trim
subroutine c_cp_csr_to_coo(a,b,info)
use psb_error_mod
use psb_realloc_mod
implicit none
class(psb_c_csr_sparse_mat), intent(in) :: a
class(psb_c_coo_sparse_mat), intent(out) :: b
integer, intent(out) :: info
Integer :: err_act
character(len=20) :: name='to_coo'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = 0
call c_cp_csr_to_coo_impl(a,b,info)
if (info /= 0) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
call psb_errpush(info,name)
if (err_act /= psb_act_ret_) then
call psb_error()
end if
return
end subroutine c_cp_csr_to_coo
subroutine c_cp_csr_from_coo(a,b,info)
use psb_error_mod
use psb_realloc_mod
implicit none
class(psb_c_csr_sparse_mat), intent(inout) :: a
class(psb_c_coo_sparse_mat), intent(in) :: b
integer, intent(out) :: info
Integer :: err_act
character(len=20) :: name='from_coo'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = 0
call c_cp_csr_from_coo_impl(a,b,info)
if (info /= 0) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
call psb_errpush(info,name)
if (err_act /= psb_act_ret_) then
call psb_error()
end if
return
end subroutine c_cp_csr_from_coo
subroutine c_cp_csr_to_fmt(a,b,info)
use psb_error_mod
use psb_realloc_mod
implicit none
class(psb_c_csr_sparse_mat), intent(in) :: a
class(psb_c_base_sparse_mat), intent(out) :: b
integer, intent(out) :: info
Integer :: err_act
character(len=20) :: name='to_fmt'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = 0
call c_cp_csr_to_fmt_impl(a,b,info)
if (info /= 0) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
call psb_errpush(info,name)
if (err_act /= psb_act_ret_) then
call psb_error()
end if
return
end subroutine c_cp_csr_to_fmt
subroutine c_cp_csr_from_fmt(a,b,info)
use psb_error_mod
use psb_realloc_mod
implicit none
class(psb_c_csr_sparse_mat), intent(inout) :: a
class(psb_c_base_sparse_mat), intent(in) :: b
integer, intent(out) :: info
Integer :: err_act
character(len=20) :: name='from_fmt'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = 0
call c_cp_csr_from_fmt_impl(a,b,info)
if (info /= 0) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
call psb_errpush(info,name)
if (err_act /= psb_act_ret_) then
call psb_error()
end if
return
end subroutine c_cp_csr_from_fmt
subroutine c_mv_csr_to_coo(a,b,info)
use psb_error_mod
use psb_realloc_mod
implicit none
class(psb_c_csr_sparse_mat), intent(inout) :: a
class(psb_c_coo_sparse_mat), intent(out) :: b
integer, intent(out) :: info
Integer :: err_act
character(len=20) :: name='to_coo'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = 0
call c_mv_csr_to_coo_impl(a,b,info)
if (info /= 0) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
call psb_errpush(info,name)
if (err_act /= psb_act_ret_) then
call psb_error()
end if
return
end subroutine c_mv_csr_to_coo
subroutine c_mv_csr_from_coo(a,b,info)
use psb_error_mod
use psb_realloc_mod
implicit none
class(psb_c_csr_sparse_mat), intent(inout) :: a
class(psb_c_coo_sparse_mat), intent(inout) :: b
integer, intent(out) :: info
Integer :: err_act
character(len=20) :: name='from_coo'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = 0
call c_mv_csr_from_coo_impl(a,b,info)
if (info /= 0) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
call psb_errpush(info,name)
if (err_act /= psb_act_ret_) then
call psb_error()
end if
return
end subroutine c_mv_csr_from_coo
subroutine c_mv_csr_to_fmt(a,b,info)
use psb_error_mod
use psb_realloc_mod
implicit none
class(psb_c_csr_sparse_mat), intent(inout) :: a
class(psb_c_base_sparse_mat), intent(out) :: b
integer, intent(out) :: info
Integer :: err_act
character(len=20) :: name='to_fmt'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = 0
call c_mv_csr_to_fmt_impl(a,b,info)
if (info /= 0) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
call psb_errpush(info,name)
if (err_act /= psb_act_ret_) then
call psb_error()
end if
return
end subroutine c_mv_csr_to_fmt
subroutine c_mv_csr_from_fmt(a,b,info)
use psb_error_mod
use psb_realloc_mod
implicit none
class(psb_c_csr_sparse_mat), intent(inout) :: a
class(psb_c_base_sparse_mat), intent(inout) :: b
integer, intent(out) :: info
Integer :: err_act
character(len=20) :: name='from_fmt'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = 0
call c_mv_csr_from_fmt_impl(a,b,info)
if (info /= 0) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
call psb_errpush(info,name)
if (err_act /= psb_act_ret_) then
call psb_error()
end if
return
end subroutine c_mv_csr_from_fmt
subroutine c_csr_allocate_mnnz(m,n,a,nz)
use psb_error_mod
use psb_realloc_mod
implicit none
integer, intent(in) :: m,n
class(psb_c_csr_sparse_mat), intent(inout) :: a
integer, intent(in), optional :: nz
Integer :: err_act, info, nc_
character(len=20) :: name='allocate_mnz'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = 0
if (m < 0) then
info = 10
call psb_errpush(info,name,i_err=(/1,0,0,0,0/))
goto 9999
endif
if (n < 0) then
info = 10
call psb_errpush(info,name,i_err=(/2,0,0,0,0/))
goto 9999
endif
if (present(nz)) then
nc_ = nz
else
nc_ = max(7*m,7*n,1)
end if
if (nc_ < 0) then
info = 10
call psb_errpush(info,name,i_err=(/3,0,0,0,0/))
goto 9999
endif
if (info == 0) call psb_realloc(m+1,a%irp,info)
if (info == 0) call psb_realloc(nc_,a%ja,info)
if (info == 0) call psb_realloc(nc_,a%val,info)
if (info == 0) then
a%irp=0
call a%set_nrows(m)
call a%set_ncols(n)
call a%set_bld()
call a%set_triangle(.false.)
call a%set_unit(.false.)
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine c_csr_allocate_mnnz
subroutine c_csr_print(iout,a,iv,eirs,eics,head,ivr,ivc)
use psb_string_mod
implicit none
integer, intent(in) :: iout
class(psb_c_csr_sparse_mat), intent(in) :: a
integer, intent(in), optional :: iv(:)
integer, intent(in), optional :: eirs,eics
character(len=*), optional :: head
integer, intent(in), optional :: ivr(:), ivc(:)
Integer :: err_act
character(len=20) :: name='c_csr_print'
logical, parameter :: debug=.false.
character(len=80) :: frmtv
integer :: irs,ics,i,j, nmx, ni, nr, nc, nz
if (present(eirs)) then
irs = eirs
else
irs = 0
endif
if (present(eics)) then
ics = eics
else
ics = 0
endif
if (present(head)) then
write(iout,'(a)') '%%MatrixMarket matrix coordinate real general'
write(iout,'(a,a)') '% ',head
write(iout,'(a)') '%'
write(iout,'(a,a)') '% COO'
endif
nr = a%get_nrows()
nc = a%get_ncols()
nz = a%get_nzeros()
nmx = max(nr,nc,1)
ni = floor(log10(1.0*nmx)) + 1
write(frmtv,'(a,i3.3,a,i3.3,a)') '(2(i',ni,',1x),es26.18,1x,2(i',ni,',1x))'
write(iout,*) nr, nc, nz
if(present(iv)) then
do i=1, nr
do j=a%irp(i),a%irp(i+1)-1
write(iout,frmtv) iv(i),iv(a%ja(j)),a%val(j)
end do
enddo
else
if (present(ivr).and..not.present(ivc)) then
do i=1, nr
do j=a%irp(i),a%irp(i+1)-1
write(iout,frmtv) ivr(i),(a%ja(j)),a%val(j)
end do
enddo
else if (present(ivr).and.present(ivc)) then
do i=1, nr
do j=a%irp(i),a%irp(i+1)-1
write(iout,frmtv) ivr(i),ivc(a%ja(j)),a%val(j)
end do
enddo
else if (.not.present(ivr).and.present(ivc)) then
do i=1, nr
do j=a%irp(i),a%irp(i+1)-1
write(iout,frmtv) (i),ivc(a%ja(j)),a%val(j)
end do
enddo
else if (.not.present(ivr).and..not.present(ivc)) then
do i=1, nr
do j=a%irp(i),a%irp(i+1)-1
write(iout,frmtv) (i),(a%ja(j)),a%val(j)
end do
enddo
endif
endif
end subroutine c_csr_print
subroutine c_csr_cp_from(a,b)
use psb_error_mod
implicit none
class(psb_c_csr_sparse_mat), intent(out) :: a
type(psb_c_csr_sparse_mat), intent(in) :: b
Integer :: err_act, info
character(len=20) :: name='cp_from'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = 0
call a%allocate(b%get_nrows(),b%get_ncols(),b%get_nzeros())
call a%psb_c_base_sparse_mat%cp_from(b%psb_c_base_sparse_mat)
a%irp = b%irp
a%ja = b%ja
a%val = b%val
if (info /= 0) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
call psb_errpush(info,name)
if (err_act /= psb_act_ret_) then
call psb_error()
end if
return
end subroutine c_csr_cp_from
subroutine c_csr_mv_from(a,b)
use psb_error_mod
implicit none
class(psb_c_csr_sparse_mat), intent(out) :: a
type(psb_c_csr_sparse_mat), intent(inout) :: b
Integer :: err_act, info
character(len=20) :: name='mv_from'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = 0
call a%psb_c_base_sparse_mat%mv_from(b%psb_c_base_sparse_mat)
call move_alloc(b%irp, a%irp)
call move_alloc(b%ja, a%ja)
call move_alloc(b%val, a%val)
call b%free()
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
call psb_errpush(info,name)
if (err_act /= psb_act_ret_) then
call psb_error()
end if
return
end subroutine c_csr_mv_from
!=====================================
!
!
!
! Computational routines
!
!
!
!
!
!
!=====================================
subroutine c_csr_csmv(alpha,a,x,beta,y,info,trans)
use psb_error_mod
implicit none
class(psb_c_csr_sparse_mat), intent(in) :: a
complex(psb_spk_), intent(in) :: alpha, beta, x(:)
complex(psb_spk_), intent(inout) :: y(:)
integer, intent(out) :: info
character, optional, intent(in) :: trans
character :: trans_
integer :: i,j,k,m,n, nnz, ir, jc
complex(psb_spk_) :: acc
logical :: tra
Integer :: err_act
character(len=20) :: name='c_csr_csmv'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
if (.not.a%is_asb()) then
info = 1121
call psb_errpush(info,name)
goto 9999
endif
call c_csr_csmm_impl(alpha,a,x,beta,y,info,trans)
if (info /= 0) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine c_csr_csmv
subroutine c_csr_csmm(alpha,a,x,beta,y,info,trans)
use psb_error_mod
implicit none
class(psb_c_csr_sparse_mat), intent(in) :: a
complex(psb_spk_), intent(in) :: alpha, beta, x(:,:)
complex(psb_spk_), intent(inout) :: y(:,:)
integer, intent(out) :: info
character, optional, intent(in) :: trans
character :: trans_
integer :: i,j,k,m,n, nnz, ir, jc, nc
complex(psb_spk_), allocatable :: acc(:)
logical :: tra
Integer :: err_act
character(len=20) :: name='c_csr_csmm'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
call c_csr_csmm_impl(alpha,a,x,beta,y,info,trans)
if (info /= 0) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine c_csr_csmm
subroutine c_csr_cssv(alpha,a,x,beta,y,info,trans)
use psb_error_mod
implicit none
class(psb_c_csr_sparse_mat), intent(in) :: a
complex(psb_spk_), intent(in) :: alpha, beta, x(:)
complex(psb_spk_), intent(inout) :: y(:)
integer, intent(out) :: info
character, optional, intent(in) :: trans
character :: trans_
integer :: i,j,k,m,n, nnz, ir, jc
complex(psb_spk_) :: acc
complex(psb_spk_), allocatable :: tmp(:)
logical :: tra
Integer :: err_act
character(len=20) :: name='c_csr_cssv'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
if (.not.a%is_asb()) then
info = 1121
call psb_errpush(info,name)
goto 9999
endif
if (.not. (a%is_triangle())) then
info = 1121
call psb_errpush(info,name)
goto 9999
end if
call c_csr_cssm_impl(alpha,a,x,beta,y,info,trans)
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine c_csr_cssv
subroutine c_csr_cssm(alpha,a,x,beta,y,info,trans)
use psb_error_mod
implicit none
class(psb_c_csr_sparse_mat), intent(in) :: a
complex(psb_spk_), intent(in) :: alpha, beta, x(:,:)
complex(psb_spk_), intent(inout) :: y(:,:)
integer, intent(out) :: info
character, optional, intent(in) :: trans
character :: trans_
integer :: i,j,k,m,n, nnz, ir, jc, nc
complex(psb_spk_) :: acc
complex(psb_spk_), allocatable :: tmp(:,:)
logical :: tra
Integer :: err_act
character(len=20) :: name='c_csr_csmm'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
if (.not.a%is_asb()) then
info = 1121
call psb_errpush(info,name)
goto 9999
endif
if (.not. (a%is_triangle())) then
info = 1121
call psb_errpush(info,name)
goto 9999
end if
call c_csr_cssm_impl(alpha,a,x,beta,y,info,trans)
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine c_csr_cssm
function c_csr_csnmi(a) result(res)
use psb_error_mod
use psb_const_mod
implicit none
class(psb_c_csr_sparse_mat), intent(in) :: a
real(psb_spk_) :: res
Integer :: err_act
character(len=20) :: name='csnmi'
logical, parameter :: debug=.false.
res = c_csr_csnmi_impl(a)
return
end function c_csr_csnmi
subroutine c_csr_get_diag(a,d,info)
use psb_error_mod
use psb_const_mod
implicit none
class(psb_c_csr_sparse_mat), intent(in) :: a
complex(psb_spk_), intent(out) :: d(:)
integer, intent(out) :: info
Integer :: err_act, mnm, i, j, k
character(len=20) :: name='get_diag'
logical, parameter :: debug=.false.
info = 0
call psb_erractionsave(err_act)
mnm = min(a%get_nrows(),a%get_ncols())
if (size(d) < mnm) then
info=35
call psb_errpush(info,name,i_err=(/2,size(d),0,0,0/))
goto 9999
end if
do i=1, mnm
do k=a%irp(i),a%irp(i+1)-1
j=a%ja(k)
if ((j==i) .and.(j <= mnm )) then
d(i) = a%val(k)
endif
enddo
end do
do i=mnm+1,size(d)
d(i) = czero
end do
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine c_csr_get_diag
subroutine c_csr_scal(d,a,info)
use psb_error_mod
use psb_const_mod
implicit none
class(psb_c_csr_sparse_mat), intent(inout) :: a
complex(psb_spk_), intent(in) :: d(:)
integer, intent(out) :: info
Integer :: err_act,mnm, i, j, m
character(len=20) :: name='scal'
logical, parameter :: debug=.false.
info = 0
call psb_erractionsave(err_act)
m = a%get_nrows()
if (size(d) < m) then
info=35
call psb_errpush(info,name,i_err=(/2,size(d),0,0,0/))
goto 9999
end if
do i=1, m
do j = a%irp(i), a%irp(i+1) -1
a%val(j) = a%val(j) * d(i)
end do
enddo
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine c_csr_scal
subroutine c_csr_scals(d,a,info)
use psb_error_mod
use psb_const_mod
implicit none
class(psb_c_csr_sparse_mat), intent(inout) :: a
complex(psb_spk_), intent(in) :: d
integer, intent(out) :: info
Integer :: err_act,mnm, i, j, m
character(len=20) :: name='scal'
logical, parameter :: debug=.false.
info = 0
call psb_erractionsave(err_act)
do i=1,a%get_nzeros()
a%val(i) = a%val(i) * d
enddo
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine c_csr_scals
end module psb_c_csr_mat_mod