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psblas3/src/serial/psb_zsymbmm.f90

71 lines
2.7 KiB
Fortran

!!$
!!$ Parallel Sparse BLAS v2.0
!!$ (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari University of Rome Tor Vergata
!!$
!!$ 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.
!!$
!!$
! File: psb_zsymbmm.f90
! Subroutine:
! Parameters:
subroutine psb_zsymbmm(a,b,c)
use psb_spmat_type
implicit none
type(psb_zspmat_type) :: a,b,c
integer, allocatable :: itemp(:)
integer :: nze,info
interface
subroutine symbmm (n, m, l, ia, ja, diaga, &
& ib, jb, diagb, ic, jc, diagc, index)
integer n,m,l, ia(*), ja(*), diaga, ib(*), jb(*), diagb,&
& diagc, index(*)
integer, pointer :: ic(:),jc(:)
end subroutine symbmm
end interface
if (b%m /= a%k) then
write(0,*) 'Mismatch in SYMBMM: ',a%m,a%k,b%m,b%k
endif
allocate(itemp(max(a%m,a%k,b%m,b%k)),stat=info)
nze = max(a%m+1,2*a%m)
call psb_sp_reall(c,nze,info)
!!$ write(0,*) 'SYMBMM90 ',size(c%pl),size(c%pr)
call symbmm(a%m,a%k,b%k,a%ia2,a%ia1,0,&
& b%ia2,b%ia1,0,&
& c%ia2,c%ia1,0,itemp)
c%pl(1) = 0
c%pr(1) = 0
c%m=a%m
c%k=b%k
c%fida='CSR'
c%descra='GUN'
deallocate(itemp)
return
end subroutine psb_zsymbmm