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psblas3/base/serial/psb_zcsmv.f90

90 lines
2.9 KiB
Fortran

!!$
!!$ Parallel Sparse BLAS version 2.2
!!$ (C) Copyright 2006/2007/2008
!!$ 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_zcsmv.f90
! Subroutine:
! Arguments:
subroutine psb_zcsmv(alpha,a,b,beta,c,info,trans)
use psb_spmat_type
implicit none
type(psb_zspmat_type) :: a
complex(kind(1.d0)) :: alpha, beta, b(:), c(:)
integer :: info
character, optional :: trans
complex(kind(1.d0)), allocatable :: work(:)
character :: trans_
integer :: iwsz,m,n,k,lb,lc, err_act
character(len=20) :: name
name='psb_zcsmv'
info = 0
call psb_erractionsave(err_act)
if (present(trans)) then
trans_ = trans
else
trans_ = 'N'
endif
if ((trans_=='N').or.(trans_=='n')) then
m = a%m
k = a%k
else
k = a%m
m = a%k
end if
n = 1
lb = size(b,1)
lc = size(c,1)
iwsz = 2*m*n
allocate(work(iwsz))
call zcsmm(trans_,m,n,k,alpha,&
& a%pl,a%fida,a%descra,a%aspk,a%ia1,a%ia2,a%infoa,a%pr,&
& b,lb,beta,c,lc,work,iwsz,info)
deallocate(work)
call psb_erractionrestore(err_act)
if(info /= 0) then
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
end if
return
end subroutine psb_zcsmv