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psblas3/base/serial/smmp.f90

478 lines
13 KiB
Fortran

!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006, 2010, 2015, 2017
! Salvatore Filippone Cranfield University
! Alfredo Buttari CNRS-IRIT, Toulouse
!
! 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.
!
!
! Original code adapted from:
! == =====================================================================
! Sparse Matrix Multiplication Package
!
! Randolph E. Bank and Craig C. Douglas
!
! na.bank@na-net.ornl.gov and na.cdouglas@na-net.ornl.gov
!
! Compile this with the following command (or a similar one):
!
! f77 -c -O smmp.f
!
! == =====================================================================
subroutine symbmm(n, m, l, ia, ja, diaga, ib, jb, diagb,&
& ic, jc, diagc, index)
use psb_const_mod
use psb_realloc_mod
use psb_sort_mod, only: psb_msort
!
integer(psb_ipk_) :: ia(*), ja(*), diaga, &
& ib(*), jb(*), diagb, diagc, index(*)
integer(psb_ipk_), allocatable :: ic(:),jc(:)
integer(psb_ipk_) :: nze, info
!
! symbolic matrix multiply c=a*b
!
if (size(ic) < n+1) then
write(psb_err_unit,*)&
& 'Called realloc in SYMBMM '
call psb_realloc(n+1,ic,info)
if (info /= psb_success_) then
write(psb_err_unit,*)&
& 'realloc failed in SYMBMM ',info
end if
endif
maxlmn = max(l,m,n)
do i=1,maxlmn
index(i)=0
end do
if (diagc.eq.0) then
ic(1)=1
else
ic(1)=n+2
endif
minlm = min(l,m)
minmn = min(m,n)
!
! main loop
!
do i=1,n
istart=-1
length=0
!
! merge row lists
!
rowi: do jj=ia(i),ia(i+1)
! a = d + ...
if (jj.eq.ia(i+1)) then
if (diaga.eq.0 .or. i.gt.minmn) cycle rowi
j = i
else
j=ja(jj)
endif
! b = d + ...
if (index(j).eq.0 .and. diagb.eq.1 .and. j.le.minlm)then
index(j)=istart
istart=j
length=length+1
endif
if ((j<1).or.(j>m)) then
write(psb_err_unit,*)&
& ' SymbMM: Problem with A ',i,jj,j,m
endif
do k=ib(j),ib(j+1)-1
if ((jb(k)<1).or.(jb(k)>maxlmn)) then
write(psb_err_unit,*)&
& 'Problem in SYMBMM 1:',j,k,jb(k),maxlmn
else
if(index(jb(k)).eq.0) then
index(jb(k))=istart
istart=jb(k)
length=length+1
endif
endif
end do
end do rowi
!
! row i of jc
!
if (diagc.eq.1 .and. index(i).ne.0) length = length - 1
ic(i+1)=ic(i)+length
if (ic(i+1) > size(jc)) then
if (n > (2*i)) then
nze = max(ic(i+1), ic(i)*((n+i-1)/i))
else
nze = max(ic(i+1), nint((dble(ic(i))*(dble(n)/i))) )
endif
call psb_realloc(nze,jc,info)
end if
do j= ic(i),ic(i+1)-1
if (diagc.eq.1 .and. istart.eq.i) then
istart = index(istart)
index(i) = 0
endif
jc(j)=istart
istart=index(istart)
index(jc(j))=0
end do
call psb_msort(jc(ic(i):ic(i)+length -1))
index(i) = 0
end do
return
end subroutine symbmm
! == =====================================================================
! Sparse Matrix Multiplication Package
!
! Randolph E. Bank and Craig C. Douglas
!
! na.bank@na-net.ornl.gov and na.cdouglas@na-net.ornl.gov
!
! Compile this with the following command (or a similar one):
!
! f77 -c -O smmp.f
!
! == =====================================================================
subroutine cnumbmm(n, m, l, ia, ja, diaga, a, ib, jb, diagb, b,&
& ic, jc, diagc, c, temp)
!
use psb_const_mod
integer(psb_ipk_) :: ia(*), ja(*), diaga,&
& ib(*), jb(*), diagb, ic(*), jc(*), diagc
!
complex(psb_spk_) :: a(*), b(*), c(*), temp(*),ajj
!
! numeric matrix multiply c=a*b
!
maxlmn = max(l,m,n)
do i = 1,maxlmn
temp(i) = 0.
end do
minlm = min(l,m)
minln = min(l,n)
minmn = min(m,n)
!
! c = a*b
!
do i = 1,n
rowi: do jj = ia(i),ia(i+1)
! a = d + ...
if (jj.eq.ia(i+1)) then
if (diaga.eq.0 .or. i.gt.minmn) cycle rowi
j = i
ajj = a(i)
else
j=ja(jj)
ajj = a(jj)
endif
! b = d + ...
if (diagb.eq.1 .and. j.le.minlm) &
& temp(j) = temp(j) + ajj * b(j)
if ((j<1).or.(j>m)) then
write(psb_err_unit,*)&
& ' NUMBMM: Problem with A ',i,jj,j,m
endif
do k = ib(j),ib(j+1)-1
if((jb(k)<1).or. (jb(k) > maxlmn)) then
write(psb_err_unit,*)&
& ' NUMBMM: jb problem',j,k,jb(k),maxlmn
else
temp(jb(k)) = temp(jb(k)) + ajj * b(k)
endif
end do
end do rowi
! c = d + ...
if (diagc.eq.1 .and. i.le.minln) then
c(i) = temp(i)
temp(i) = 0.
endif
!$$$ if (mod(i,100) == 1)
!$$$ + write(psb_err_unit,*)
!$$$ ' NUMBMM: Fixing row ',i,ic(i),ic(i+1)-1
do j = ic(i),ic(i+1)-1
if((jc(j)<1).or. (jc(j) > maxlmn)) then
write(psb_err_unit,*)&
& ' NUMBMM: output problem',i,j,jc(j),maxlmn
else
c(j) = temp(jc(j))
temp(jc(j)) = 0.
endif
end do
end do
return
end subroutine cnumbmm
! == =====================================================================
! Sparse Matrix Multiplication Package
!
! Randolph E. Bank and Craig C. Douglas
!
! na.bank@na-net.ornl.gov and na.cdouglas@na-net.ornl.gov
!
! Compile this with the following command (or a similar one):
!
! f77 -c -O smmp.f
!
! == =====================================================================
subroutine dnumbmm(n, m, l, ia, ja, diaga, a, ib, jb, diagb, b,&
& ic, jc, diagc, c, temp)
use psb_const_mod
!
integer(psb_ipk_) :: ia(*), ja(*), diaga, ib(*), jb(*), diagb,&
& ic(*), jc(*), diagc
!
real(psb_dpk_) :: a(*), b(*), c(*), temp(*),ajj
!
! numeric matrix multiply c=a*b
!
maxlmn = max(l,m,n)
do i = 1,maxlmn
temp(i) = 0.
end do
minlm = min(l,m)
minln = min(l,n)
minmn = min(m,n)
!
! c = a*b
!
do i = 1,n
rowi: do jj = ia(i),ia(i+1)
! a = d + ...
if (jj.eq.ia(i+1)) then
if (diaga.eq.0 .or. i.gt.minmn) cycle rowi
j = i
ajj = a(i)
else
j=ja(jj)
ajj = a(jj)
endif
! b = d + ...
if (diagb.eq.1 .and. j.le.minlm) &
& temp(j) = temp(j) + ajj * b(j)
if ((j<1).or.(j>m)) then
write(psb_err_unit,*)&
& ' NUMBMM: Problem with A ',i,jj,j,m
endif
do k = ib(j),ib(j+1)-1
if((jb(k)<1).or. (jb(k) > maxlmn)) then
write(psb_err_unit,*)&
& ' NUMBMM: jb problem',j,k,jb(k),maxlmn
else
temp(jb(k)) = temp(jb(k)) + ajj * b(k)
endif
end do
end do rowi
! c = d + ...
if (diagc.eq.1 .and. i.le.minln) then
c(i) = temp(i)
temp(i) = 0.
endif
!$$$ if (mod(i,100) == 1)
!$$$ + write(psb_err_unit,*)
!$$$ ' NUMBMM: Fixing row ',i,ic(i),ic(i+1)-1
do j = ic(i),ic(i+1)-1
if((jc(j)<1).or. (jc(j) > maxlmn)) then
write(psb_err_unit,*)&
& ' NUMBMM: output problem',i,j,jc(j),maxlmn
else
c(j) = temp(jc(j))
temp(jc(j)) = 0.
endif
end do
end do
return
end subroutine dnumbmm
! == =====================================================================
! Sparse Matrix Multiplication Package
!
! Randolph E. Bank and Craig C. Douglas
!
! na.bank@na-net.ornl.gov and na.cdouglas@na-net.ornl.gov
!
! Compile this with the following command (or a similar one):
!
! f77 -c -O smmp.f
!
! == =====================================================================
subroutine snumbmm(n, m, l, ia, ja, diaga, a, ib, jb, diagb, b,&
& ic, jc, diagc, c, temp)
use psb_const_mod
!
integer(psb_ipk_) :: ia(*), ja(*), diaga, ib(*), jb(*), diagb,&
& ic(*), jc(*), diagc
!
real(psb_spk_) :: a(*), b(*), c(*), temp(*),ajj
!
! numeric matrix multiply c=a*b
!
maxlmn = max(l,m,n)
do i = 1,maxlmn
temp(i) = 0.
end do
minlm = min(l,m)
minln = min(l,n)
minmn = min(m,n)
!
! c = a*b
!
do i = 1,n
rowi: do jj = ia(i),ia(i+1)
! a = d + ...
if (jj.eq.ia(i+1)) then
if (diaga.eq.0 .or. i.gt.minmn) cycle rowi
j = i
ajj = a(i)
else
j=ja(jj)
ajj = a(jj)
endif
! b = d + ...
if (diagb.eq.1 .and. j.le.minlm) &
& temp(j) = temp(j) + ajj * b(j)
if ((j<1).or.(j>m)) then
write(psb_err_unit,*)&
& ' NUMBMM: Problem with A ',i,jj,j,m
endif
do k = ib(j),ib(j+1)-1
if((jb(k)<1).or. (jb(k) > maxlmn)) then
write(psb_err_unit,*)&
& ' NUMBMM: jb problem',j,k,jb(k),maxlmn
else
temp(jb(k)) = temp(jb(k)) + ajj * b(k)
endif
end do
end do rowi
! c = d + ...
if (diagc.eq.1 .and. i.le.minln) then
c(i) = temp(i)
temp(i) = 0.
endif
!$$$ if (mod(i,100) == 1)
!$$$ + write(psb_err_unit,*)
!$$$ ' NUMBMM: Fixing row ',i,ic(i),ic(i+1)-1
do j = ic(i),ic(i+1)-1
if((jc(j)<1).or. (jc(j) > maxlmn)) then
write(psb_err_unit,*)&
& ' NUMBMM: output problem',i,j,jc(j),maxlmn
else
c(j) = temp(jc(j))
temp(jc(j)) = 0.
endif
end do
end do
return
end subroutine snumbmm
! == =====================================================================
! Sparse Matrix Multiplication Package
!
! Randolph E. Bank and Craig C. Douglas
!
! na.bank@na-net.ornl.gov and na.cdouglas@na-net.ornl.gov
!
! Compile this with the following command (or a similar one):
!
! f77 -c -O smmp.f
!
! == =====================================================================
subroutine znumbmm(n, m, l, ia, ja, diaga, a, ib, jb, diagb, b,&
& ic, jc, diagc, c, temp)
!
use psb_const_mod
integer(psb_ipk_) :: ia(*), ja(*), diaga, ib(*), jb(*), diagb,&
& ic(*), jc(*), diagc
!
complex(psb_dpk_) :: a(*), b(*), c(*), temp(*),ajj
!
! numeric matrix multiply c=a*b
!
maxlmn = max(l,m,n)
do i = 1,maxlmn
temp(i) = 0.
end do
minlm = min(l,m)
minln = min(l,n)
minmn = min(m,n)
!
! c = a*b
!
do i = 1,n
rowi: do jj = ia(i),ia(i+1)
! a = d + ...
if (jj.eq.ia(i+1)) then
if (diaga.eq.0 .or. i.gt.minmn) cycle rowi
j = i
ajj = a(i)
else
j=ja(jj)
ajj = a(jj)
endif
! b = d + ...
if (diagb.eq.1 .and. j.le.minlm) &
& temp(j) = temp(j) + ajj * b(j)
if ((j<1).or.(j>m)) then
write(psb_err_unit,*)&
& ' NUMBMM: Problem with A ',i,jj,j,m
endif
do k = ib(j),ib(j+1)-1
if((jb(k)<1).or. (jb(k) > maxlmn)) then
write(psb_err_unit,*)&
& ' NUMBMM: jb problem',j,k,jb(k),maxlmn
else
temp(jb(k)) = temp(jb(k)) + ajj * b(k)
endif
end do
end do rowi
! c = d + ...
if (diagc.eq.1 .and. i.le.minln) then
c(i) = temp(i)
temp(i) = 0.
endif
do j = ic(i),ic(i+1)-1
if((jc(j)<1).or. (jc(j) > maxlmn)) then
write(psb_err_unit,*)&
& ' NUMBMM: output problem',i,j,jc(j),maxlmn
else
c(j) = temp(jc(j))
temp(jc(j)) = 0.
endif
end do
end do
return
end subroutine znumbmm