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520 lines
10 KiB
Fortran
520 lines
10 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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module psi_serial_mod
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interface psi_gth
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module procedure &
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& psi_igthv, psi_dgthv, psi_zgthv,&
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& psi_igthzv, psi_dgthzv, psi_zgthzv,&
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& psi_igthzmv, psi_dgthzmv, psi_zgthzmv
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end interface
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interface psi_sct
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module procedure psi_isctmv, psi_isctv,&
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& psi_dsctmv, psi_dsctv,&
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& psi_zsctmv, psi_zsctv
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end interface
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contains
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subroutine psi_igthv(n,idx,alpha,x,beta,y)
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use psb_const_mod
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implicit none
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integer :: n, idx(:)
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integer :: x(:), y(:), alpha, beta
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! Locals
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integer :: i
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if (beta == izero) then
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if (alpha == ione) then
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do i=1,n
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y(i) = x(idx(i))
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end do
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else if (alpha == -ione) then
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do i=1,n
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y(i) = -x(idx(i))
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end do
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else
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do i=1,n
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y(i) = alpha*x(idx(i))
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end do
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end if
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else
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if (beta == ione) then
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! Do nothing
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else if (beta == -ione) then
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y(1:n) = -y(1:n)
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else
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y(1:n) = beta*y(1:n)
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end if
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if (alpha == ione) then
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do i=1,n
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y(i) = y(i) + x(idx(i))
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end do
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else if (alpha == -ione) then
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do i=1,n
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y(i) = y(i) - x(idx(i))
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end do
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else
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do i=1,n
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y(i) = y(i) + alpha*x(idx(i))
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end do
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end if
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end if
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end subroutine psi_igthv
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subroutine psi_dgthv(n,idx,alpha,x,beta,y)
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use psb_const_mod
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implicit none
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integer :: n, idx(:)
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real(kind(1.d0)) :: x(:), y(:), alpha, beta
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! Locals
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integer :: i
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if (beta == dzero) then
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if (alpha == done) then
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do i=1,n
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y(i) = x(idx(i))
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end do
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else if (alpha == -done) then
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do i=1,n
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y(i) = -x(idx(i))
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end do
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else
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do i=1,n
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y(i) = alpha*x(idx(i))
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end do
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end if
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else
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if (beta == done) then
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! Do nothing
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else if (beta == -done) then
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y(1:n) = -y(1:n)
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else
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y(1:n) = beta*y(1:n)
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end if
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if (alpha == done) then
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do i=1,n
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y(i) = y(i) + x(idx(i))
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end do
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else if (alpha == -done) then
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do i=1,n
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y(i) = y(i) - x(idx(i))
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end do
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else
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do i=1,n
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y(i) = y(i) + alpha*x(idx(i))
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end do
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end if
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end if
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end subroutine psi_dgthv
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subroutine psi_zgthv(n,idx,alpha,x,beta,y)
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use psb_const_mod
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implicit none
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integer :: n, idx(:)
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complex(kind(1.d0)) :: x(:), y(:),alpha,beta
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! Locals
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integer :: i
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if (beta == zzero) then
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if (alpha == zone) then
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do i=1,n
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y(i) = x(idx(i))
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end do
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else if (alpha == -zone) then
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do i=1,n
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y(i) = -x(idx(i))
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end do
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else
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do i=1,n
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y(i) = alpha*x(idx(i))
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end do
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end if
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else
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if (beta == zone) then
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! Do nothing
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else if (beta == -zone) then
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y(1:n) = -y(1:n)
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else
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y(1:n) = beta*y(1:n)
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end if
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if (alpha == zone) then
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do i=1,n
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y(i) = y(i) + x(idx(i))
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end do
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else if (alpha == -zone) then
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do i=1,n
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y(i) = y(i) - x(idx(i))
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end do
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else
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do i=1,n
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y(i) = y(i) + alpha*x(idx(i))
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end do
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end if
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end if
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end subroutine psi_zgthv
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subroutine psi_dgthzmv(n,k,idx,x,y)
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use psb_const_mod
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implicit none
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integer :: n, k, idx(:)
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real(kind(1.d0)) :: x(:,:), y(:)
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! Locals
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integer :: i, j, pt
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pt=0
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do j=1,k
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do i=1,n
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pt=pt+1
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y(pt)=x(idx(i),j)
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end do
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end do
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end subroutine psi_dgthzmv
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subroutine psi_igthzmv(n,k,idx,x,y)
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use psb_const_mod
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implicit none
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integer :: n, k, idx(:)
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integer :: x(:,:), y(:)
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! Locals
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integer :: i, j, pt
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pt=0
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do j=1,k
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do i=1,n
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pt=pt+1
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y(pt)=x(idx(i),j)
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end do
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end do
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end subroutine psi_igthzmv
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subroutine psi_zgthzmv(n,k,idx,x,y)
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use psb_const_mod
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implicit none
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integer :: n, k, idx(:)
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complex(kind(1.d0)) :: x(:,:), y(:)
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! Locals
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integer :: i, j, pt
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pt=0
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do j=1,k
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do i=1,n
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pt=pt+1
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y(pt)=x(idx(i),j)
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end do
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end do
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end subroutine psi_zgthzmv
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subroutine psi_dgthzv(n,idx,x,y)
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use psb_const_mod
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implicit none
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integer :: n, idx(:)
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real(kind(1.d0)) :: x(:), y(:)
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! Locals
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integer :: i
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do i=1,n
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y(i)=x(idx(i))
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end do
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end subroutine psi_dgthzv
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subroutine psi_igthzv(n,idx,x,y)
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use psb_const_mod
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implicit none
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integer :: n, idx(:)
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integer :: x(:), y(:)
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! Locals
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integer :: i
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do i=1,n
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y(i)=x(idx(i))
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end do
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end subroutine psi_igthzv
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subroutine psi_zgthzv(n,idx,x,y)
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use psb_const_mod
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implicit none
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integer :: n, idx(:)
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complex(kind(1.d0)) :: x(:), y(:)
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! Locals
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integer :: i
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do i=1,n
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y(i)=x(idx(i))
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end do
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end subroutine psi_zgthzv
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subroutine psi_dsctmv(n,k,idx,x,beta,y)
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use psb_const_mod
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implicit none
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integer :: n, k, idx(:)
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real(kind(1.d0)) :: beta, x(:), y(:,:)
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! Locals
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integer :: i, j, pt
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if (beta == dzero) then
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pt=0
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do j=1,k
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do i=1,n
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pt=pt+1
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y(idx(i),j) = x(pt)
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end do
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end do
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else if (beta == done) then
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pt=0
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do j=1,k
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do i=1,n
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pt=pt+1
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y(idx(i),j) = y(idx(i),j)+x(pt)
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end do
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end do
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else
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pt=0
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do j=1,k
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do i=1,n
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pt=pt+1
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y(idx(i),j) = beta*y(idx(i),j)+x(pt)
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end do
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end do
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end if
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end subroutine psi_dsctmv
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subroutine psi_dsctv(n,idx,x,beta,y)
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use psb_const_mod
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implicit none
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integer :: n, idx(:)
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real(kind(1.d0)) :: beta, x(:), y(:)
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! Locals
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integer :: i
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if (beta == dzero) then
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do i=1,n
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y(idx(i)) = x(i)
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end do
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else if (beta == done) then
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do i=1,n
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y(idx(i)) = y(idx(i))+x(i)
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end do
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else
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do i=1,n
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y(idx(i)) = beta*y(idx(i))
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end do
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do i=1,n
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y(idx(i)) = y(idx(i))+x(i)
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end do
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end if
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end subroutine psi_dsctv
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subroutine psi_isctmv(n,k,idx,x,beta,y)
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use psb_const_mod
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implicit none
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integer :: n, k, idx(:)
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integer :: beta, x(:), y(:,:)
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! Locals
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integer :: i, j, pt
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if (beta == izero) then
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pt=0
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do j=1,k
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do i=1,n
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pt=pt+1
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y(idx(i),j) = x(pt)
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end do
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end do
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else if (beta == ione) then
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pt=0
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do j=1,k
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do i=1,n
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pt=pt+1
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y(idx(i),j) = y(idx(i),j)+x(pt)
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end do
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end do
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else
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pt=0
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do j=1,k
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do i=1,n
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pt=pt+1
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y(idx(i),j) = beta*y(idx(i),j)+x(pt)
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end do
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end do
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end if
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end subroutine psi_isctmv
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subroutine psi_isctv(n,idx,x,beta,y)
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use psb_const_mod
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implicit none
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integer :: n, idx(:)
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integer :: beta, x(:), y(:)
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! Locals
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integer :: i
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if (beta == izero) then
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do i=1,n
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y(idx(i)) = x(i)
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end do
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else if (beta == ione) then
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do i=1,n
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y(idx(i)) = y(idx(i))+x(i)
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end do
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else
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do i=1,n
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y(idx(i)) = beta*y(idx(i))+x(i)
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end do
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end if
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end subroutine psi_isctv
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subroutine psi_zsctmv(n,k,idx,x,beta,y)
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use psb_const_mod
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implicit none
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integer :: n, k, idx(:)
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complex(kind(1.d0)) :: beta, x(:), y(:,:)
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! Locals
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integer :: i, j, pt
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if (beta == zzero) then
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pt=0
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do j=1,k
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do i=1,n
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pt=pt+1
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y(idx(i),j) = x(pt)
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end do
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end do
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else if (beta == zone) then
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pt=0
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do j=1,k
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do i=1,n
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pt=pt+1
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y(idx(i),j) = y(idx(i),j)+x(pt)
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end do
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end do
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else
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pt=0
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do j=1,k
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do i=1,n
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pt=pt+1
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y(idx(i),j) = beta*y(idx(i),j)+x(pt)
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end do
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end do
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end if
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end subroutine psi_zsctmv
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subroutine psi_zsctv(n,idx,x,beta,y)
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use psb_const_mod
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implicit none
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integer :: n, idx(:)
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complex(kind(1.d0)) :: beta, x(:), y(:)
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! Locals
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integer :: i
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if (beta == zzero) then
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do i=1,n
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y(idx(i)) = x(i)
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end do
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else if (beta == zone) then
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do i=1,n
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y(idx(i)) = y(idx(i))+x(i)
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end do
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else
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do i=1,n
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y(idx(i)) = beta*y(idx(i))+x(i)
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end do
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end if
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end subroutine psi_zsctv
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end module psi_serial_mod
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