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100 lines
3.3 KiB
Fortran
100 lines
3.3 KiB
Fortran
!!$
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!!$ Parallel Sparse BLAS version 2.2
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!!$ (C) Copyright 2006/2007/2008
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!!$ Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari University of Rome Tor Vergata
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!!$
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!!$ Redistribution and use in source and binary forms, with or without
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!!$ modification, are permitted provided that the following conditions
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!!$ are met:
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!!$ 1. Redistributions of source code must retain the above copyright
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!!$ notice, this list of conditions and the following disclaimer.
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!!$ 2. Redistributions in binary form must reproduce the above copyright
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!!$ notice, this list of conditions, and the following disclaimer in the
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!!$ documentation and/or other materials provided with the distribution.
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!!$ 3. The name of the PSBLAS group or the names of its contributors may
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!!$ not be used to endorse or promote products derived from this
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!!$ software without specific written permission.
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!!$
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!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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!!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
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!!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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!!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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!!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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!!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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!!$ POSSIBILITY OF SUCH DAMAGE.
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!!$
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!!$
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! File: psb_dspscal.f90
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! Subroutine:
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! Arguments:
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!*****************************************************************************
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!* *
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!* *
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!*****************************************************************************
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subroutine psb_dspscal(a,d,info)
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! the input format
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use psb_spmat_type
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use psb_error_mod
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use psb_const_mod
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use psb_string_mod
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implicit none
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type(psb_dspmat_type), intent(inout) :: a
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integer, intent(out) :: info
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real(kind(1.d0)), intent(in) :: d(:)
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integer :: i,j,err_act
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character(len=20) :: name, ch_err
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name='psb_dspscal'
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info = 0
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call psb_erractionsave(err_act)
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select case(toupper(a%fida(1:3)))
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case ('CSR')
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do i=1, a%m
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do j=a%ia2(i),a%ia2(i+1)-1
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a%aspk(j) = a%aspk(j) * d(i)
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end do
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end do
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case ('COO')
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do i=1,a%infoa(psb_nnz_)
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j=a%ia1(i)
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a%aspk(i) = a%aspk(i) * d(j)
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enddo
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case ('JAD')
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info=135
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ch_err=a%fida(1:3)
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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case default
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info=136
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ch_err=a%fida(1:3)
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end select
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine psb_dspscal
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