mirror of
https://github.com/sfilippone/psblas3.git
synced 2026-10-17 19:32:08 +00:00
*** empty log message ***
This commit is contained in:
Alfredo Buttari
+48
-59
@@ -27,8 +27,8 @@ function psb_damax (x,desc_a, info, jx)
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real(kind(1.d0)) :: psb_damax
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! locals
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integer :: int_err(5), icontxt, nprow, npcol, me, mycol,&
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& err_act, n, iix, jjx, temp(2)
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integer :: int_err(5), icontxt, nprow, npcol, myrow, mycol,&
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& err_act, n, iix, jjx, temp(2), ix, ijx, m, i, k, imax, idamax
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real(kind(1.d0)) :: locmax(2), amax
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real(kind(1.d0)),pointer :: tmpx(:)
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character(len=20) :: name, ch_err
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@@ -40,15 +40,15 @@ function psb_damax (x,desc_a, info, jx)
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locmax(:)=0.d0
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amax=0.d0
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icontxt=desc_data(psb_ctxt_)
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icontxt=desc_a%matrix_data(psb_ctxt_)
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! check on blacs grid
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call blacs_gridinfo(icontxt, nprow, npcol, me, mypcol)
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call blacs_gridinfo(icontxt, nprow, npcol, myrow, mycol)
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if (nprow == -1) then
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info = 2010
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call psb_errpush(info,name)
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goto 9999
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else if (npcol /= 1) then
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goto 9999
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else if (npcol /= 1) then
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info = 2030
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int_err(1) = npcol
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call psb_errpush(info,name)
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@@ -62,9 +62,9 @@ function psb_damax (x,desc_a, info, jx)
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ijx = 1
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endif
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m = desc_data(m_)
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m = desc_a%matrix_data(psb_m_)
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call psb_chkvect(m,1,size(x,1),ix,ijx,desc_data%matrix_data,info,iix,jjx)
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call psb_chkvect(m,1,size(x,1),ix,ijx,desc_a%matrix_data,info,iix,jjx)
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if(info.ne.0) then
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info=4010
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ch_err='psb_chkvect'
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@@ -79,10 +79,9 @@ function psb_damax (x,desc_a, info, jx)
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end if
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! compute local max
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if ((desc_data(psb_n_row_).gt.0).and.(m.ne.0)) then
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tmpx => x(iix:,jjx)
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imax=idamax(desc_data(n_row),tmpx,1)
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amax=abs(tmpx(imax))
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if ((desc_a%matrix_data(psb_n_row_).gt.0).and.(m.ne.0)) then
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imax=idamax(desc_a%matrix_data(psb_n_row_)-iix+1,x(iix,jjx),1)
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amax=abs(x(iix+imax-1,jjx))
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end if
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! compute global max
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@@ -126,11 +125,11 @@ function psb_damaxv (x,desc_a, info)
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real(kind(1.d0)), intent(in) :: x(:)
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type(psb_desc_type), intent(in) :: desc_a
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integer, intent(out) :: info
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real(kind(1.d0)) :: psb_damax
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real(kind(1.d0)) :: psb_damaxv
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! locals
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integer :: int_err(5), icontxt, nprow, npcol, me, mycol,&
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& err_act, n, iix, jjx, ix, jx, temp(2)
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integer :: int_err(5), err, icontxt, nprow, npcol, myrow, mycol,&
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& err_act, n, iix, jjx, jx, temp(2), ix, ijx, m, imax, idamax
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real(kind(1.d0)) :: locmax(2), amax
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real(kind(1.d0)),pointer :: tmpx(:)
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character(len=20) :: name, ch_err
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@@ -142,10 +141,10 @@ function psb_damaxv (x,desc_a, info)
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locmax(:)=0.d0
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amax=0.d0
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icontxt=desc_data(psb_ctxt_)
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icontxt=desc_a%matrix_data(psb_ctxt_)
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! check on blacs grid
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call blacs_gridinfo(icontxt, nprow, npcol, me, mypcol)
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call blacs_gridinfo(icontxt, nprow, npcol, myrow, mycol)
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if (nprow == -1) then
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info = 2010
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call psb_errpush(info,name)
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@@ -160,29 +159,26 @@ function psb_damaxv (x,desc_a, info)
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ix = 1
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jx = 1
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m = desc_data(m_)
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m = desc_a%matrix_data(psb_m_)
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call psb_chkvect(m,1,size(x,1),ix,jx,desc_data%matrix_data,info,iix,jjx)
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call psb_chkvect(m,1,size(x,1),ix,jx,desc_a%matrix_data,info,iix,jjx)
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if(info.ne.0) then
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info=4010
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ch_err='psb_chkvect'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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if (iix.ne.1) then
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info=3040
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call psb_errpush(info,name)
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goto 9999
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end if
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err=info
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call psb_errcomm(icontxt,err)
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if(err.ne.0) goto 9999
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! compute local max
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if ((desc_data(psb_n_row_).gt.0).and.(m.ne.0)) then
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tmpx => x(iix:,jjx)
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imax=idamax(desc_data(n_row),tmpx,1)
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amax=abs(tmpx(imax))
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if ((desc_a%matrix_data(psb_n_row_).gt.0).and.(m.ne.0)) then
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imax=idamax(desc_a%matrix_data(psb_n_row_)-iix+1,x(iix),1)
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amax=abs(x(iix+imax-1))
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end if
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! compute global max
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@@ -225,16 +221,15 @@ subroutine psb_damaxvs (res,x,desc_a, info, jx)
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use psb_error_mod
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implicit none
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real(kind(1.d0)), intent(in) :: x(:,:)
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real(kind(1.d0)), intent(in) :: x(:)
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type(psb_desc_type), intent(in) :: desc_a
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integer, intent(out) :: info
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integer, optional, intent(in) :: jx
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real(kind(1.D0)), intent(out) :: res
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real(kind(1.d0)) :: psb_damax
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! locals
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integer :: int_err(5), icontxt, nprow, npcol, me, mycol,&
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& err_act, n, iix, jjx, temp(2)
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integer :: int_err(5), icontxt, nprow, npcol, myrow, mycol,&
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& err_act, n, iix, jjx, temp(2), ix, ijx, m, imax, idamax
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real(kind(1.d0)) :: locmax(2), amax
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real(kind(1.d0)),pointer :: tmpx(:)
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character(len=20) :: name, ch_err
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@@ -246,10 +241,10 @@ subroutine psb_damaxvs (res,x,desc_a, info, jx)
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locmax(:)=0.d0
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amax=0.d0
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icontxt=desc_data(psb_ctxt_)
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icontxt=desc_a%matrix_data(psb_ctxt_)
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! check on blacs grid
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call blacs_gridinfo(icontxt, nprow, npcol, me, mypcol)
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call blacs_gridinfo(icontxt, nprow, npcol, myrow, mycol)
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if (nprow == -1) then
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info = 2010
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call psb_errpush(info,name)
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@@ -268,29 +263,26 @@ subroutine psb_damaxvs (res,x,desc_a, info, jx)
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ijx = 1
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endif
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m = desc_data(m_)
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m = desc_a%matrix_data(psb_m_)
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call psb_chkvect(m,1,size(x,1),ix,ijx,desc_data%matrix_data,info,iix,jjx)
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call psb_chkvect(m,1,size(x,1),ix,ijx,desc_a%matrix_data,info,iix,jjx)
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if(info.ne.0) then
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info=4010
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ch_err='psb_chkvect'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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if (iix.ne.1) then
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info=3040
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call psb_errpush(info,name)
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goto 9999
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end if
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err=info
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call psb_errcomm(icontxt,err)
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if(err.ne.0) goto 9999
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! compute local max
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if ((desc_data(psb_n_row_).gt.0).and.(m.ne.0)) then
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tmpx => x(iix:,jjx)
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imax=idamax(desc_data(n_row),tmpx,1)
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amax=abs(tmpx(imax))
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if ((desc_a%matrix_data(psb_n_row_).gt.0).and.(m.ne.0)) then
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imax=idamax(desc_a%matrix_data(psb_n_row_)-iix+1,x(iix),1)
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amax=abs(tmpx(iix+imax-1))
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end if
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! compute global max
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@@ -332,15 +324,15 @@ subroutine psb_dmamaxs (res,x,desc_a, info)
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use psb_error_mod
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implicit none
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real(kind(1.d0)), intent(in) :: x(:)
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real(kind(1.d0)), intent(in) :: x(:,:)
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type(psb_desc_type), intent(in) :: desc_a
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integer, intent(out) :: info
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real(kind(1.d0)), intent(out) :: res(:)
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! locals
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integer :: int_err(5), icontxt, nprow, npcol, me, mycol,&
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& err_act, n, iix, jjx, ix, jx, temp(2)
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real(kind(1.d0)) :: locmax(2)
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integer :: int_err(5), icontxt, nprow, npcol, myrow, mycol,&
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& err_act, n, iix, jjx, ix, jx, temp(2), ijx, m, imax, i, k, idamax
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real(kind(1.d0)) :: locmax(2), amax
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real(kind(1.d0)),pointer :: tmpx(:)
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character(len=20) :: name, ch_err
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@@ -351,10 +343,10 @@ subroutine psb_dmamaxs (res,x,desc_a, info)
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locmax(:)=0.d0
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amax=0.d0
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icontxt=desc_data(psb_ctxt_)
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icontxt=desc_a%matrix_data(psb_ctxt_)
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! check on blacs grid
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call blacs_gridinfo(icontxt, nprow, npcol, me, mypcol)
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call blacs_gridinfo(icontxt, nprow, npcol, myrow, mycol)
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if (nprow == -1) then
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info = 2010
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call psb_errpush(info,name)
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@@ -369,31 +361,28 @@ subroutine psb_dmamaxs (res,x,desc_a, info)
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ix = 1
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jx = 1
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m = desc_data(m_)
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m = desc_a%matrix_data(psb_m_)
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k = min(size(x,2),size(res,1))
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call psb_chkvect(m,1,size(x,1),ix,jx,desc_data%matrix_data,info,iix,jjx)
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call psb_chkvect(m,1,size(x,1),ix,jx,desc_a%matrix_data,info,iix,jjx)
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if(info.ne.0) then
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info=4010
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ch_err='psb_chkvect'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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if (iix.ne.1) then
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info=3040
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call psb_errpush(info,name)
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goto 9999
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end if
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err=info
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call psb_errcomm(icontxt,err)
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if(err.ne.0) goto 9999
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! compute local max
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if ((desc_data(psb_n_row_).gt.0).and.(m.ne.0)) then
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if ((desc_a%matrix_data(psb_n_row_).gt.0).and.(m.ne.0)) then
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do i=1,k
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tmpx => x(iix:,i)
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imax=idamax(desc_data(n_row),tmpx,1)
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res(i)=abs(tmpx(imax))
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imax=idamax(desc_a%matrix_data(psb_n_row_)-iix+1,x(iix,jjx),1)
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res(i)=abs(x(iix+imax-1,jjx+i-1))
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end do
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end if
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+35
-47
@@ -27,9 +27,9 @@ function psb_dasum (x,desc_a, info, jx)
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real(kind(1.d0)) :: psb_dasum
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! locals
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integer :: int_err(5), icontxt, nprow, npcol, me, mycol,&
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& err_act, n, iix, jjx, temp(2)
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real(kind(1.d0)) :: asum
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integer :: int_err(5), icontxt, nprow, npcol, myrow, mycol,&
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& err_act, n, iix, jjx, temp(2), ix, ijx, m, i
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real(kind(1.d0)) :: asum, dasum
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real(kind(1.d0)),pointer :: tmpx(:)
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character(len=20) :: name, ch_err
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@@ -39,10 +39,10 @@ function psb_dasum (x,desc_a, info, jx)
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asum=0.d0
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icontxt=desc_data(psb_ctxt_)
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icontxt=desc_a%matrix_data(psb_ctxt_)
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! check on blacs grid
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call blacs_gridinfo(icontxt, nprow, npcol, me, mypcol)
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call blacs_gridinfo(icontxt, nprow, npcol, myrow, mycol)
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if (nprow == -1) then
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info = 2010
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call psb_errpush(info,name)
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@@ -61,30 +61,27 @@ function psb_dasum (x,desc_a, info, jx)
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ijx = 1
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endif
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m = desc_data(m_)
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m = desc_a%matrix_data(psb_m_)
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! check vector correctness
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call psb_chkvect(m,1,size(x,1),ix,ijx,desc_data%matrix_data,info,iix,jjx)
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call psb_chkvect(m,1,size(x,1),ix,ijx,desc_a%matrix_data,info,iix,jjx)
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if(info.ne.0) then
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info=4010
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ch_err='psb_chkvect'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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if (iix.ne.1) then
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info=3040
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call psb_errpush(info,name)
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goto 9999
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end if
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err=info
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call psb_errcomm(icontxt,err)
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if(err.ne.0) goto 9999
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! compute local max
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if ((m.ne.0)) then
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if(desc_data(psb_n_row_).gt.0) then
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tmpx => x(iix:,jjx)
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asum=dasum(desc_data(n_row),tmpx,ione)
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if(desc_a%matrix_data(psb_n_row_).gt.0) then
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asum=dasum(desc_a%matrix_data(psb_n_row_)-iix+1,x(iix,jjx),ione)
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! adjust asum because overlapped elements are computed more than once
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i=1
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@@ -149,9 +146,9 @@ function psb_dasumv (x,desc_a, info)
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real(kind(1.d0)) :: psb_dasumv
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! locals
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integer :: int_err(5), icontxt, nprow, npcol, me, mycol,&
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& err_act, n, iix, jjx, temp(2)
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real(kind(1.d0)) :: asum
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integer :: int_err(5), icontxt, nprow, npcol, myrow, mycol,&
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& err_act, n, iix, jjx, temp(2), jx, ix, ijx, m, i
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real(kind(1.d0)) :: asum, dasum
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real(kind(1.d0)),pointer :: tmpx(:)
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character(len=20) :: name, ch_err
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@@ -159,13 +156,12 @@ function psb_dasumv (x,desc_a, info)
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info=0
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call psb_erractionsave(err_act)
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locmax(:)=0.d0
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asum=0.d0
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icontxt=desc_data(psb_ctxt_)
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icontxt=desc_a%matrix_data(psb_ctxt_)
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! check on blacs grid
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call blacs_gridinfo(icontxt, nprow, npcol, me, mypcol)
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call blacs_gridinfo(icontxt, nprow, npcol, myrow, mycol)
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if (nprow == -1) then
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info = 2010
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call psb_errpush(info,name)
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@@ -178,32 +174,29 @@ function psb_dasumv (x,desc_a, info)
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endif
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ix = 1
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jx = 1
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jx=1
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m = desc_data(m_)
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m = desc_a%matrix_data(psb_m_)
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! check vector correctness
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call psb_chkvect(m,1,size(x),ix,jx,desc_data%matrix_data,info,iix,jjx)
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call psb_chkvect(m,1,size(x),ix,jx,desc_a%matrix_data,info,iix,jjx)
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if(info.ne.0) then
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info=4010
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ch_err='psb_chkvect'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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if (iix.ne.1) then
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info=3040
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call psb_errpush(info,name)
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goto 9999
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end if
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err=info
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call psb_errcomm(icontxt,err)
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if(err.ne.0) goto 9999
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! compute local max
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if ((m.ne.0)) then
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if(desc_data(psb_n_row_).gt.0) then
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tmpx => x(:)
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asum=dasum(desc_data(n_row),tmpx,ione)
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if(desc_a%matrix_data(psb_n_row_).gt.0) then
|
||||
asum=dasum(desc_a%matrix_data(psb_n_row_),x,ione)
|
||||
|
||||
! adjust asum because overlapped elements are computed more than once
|
||||
i=1
|
||||
@@ -228,7 +221,6 @@ function psb_dasumv (x,desc_a, info)
|
||||
asum=0.d0
|
||||
end if
|
||||
|
||||
|
||||
psb_dasumv=asum
|
||||
|
||||
call psb_erractionrestore(err_act)
|
||||
@@ -242,7 +234,7 @@ function psb_dasumv (x,desc_a, info)
|
||||
return
|
||||
end if
|
||||
return
|
||||
end function psb_dasum
|
||||
end function psb_dasumv
|
||||
|
||||
|
||||
! Subroutine: psb_dasum vs
|
||||
@@ -269,9 +261,9 @@ subroutine psb_dasumvs (res,x,desc_a, info)
|
||||
integer, intent(out) :: info
|
||||
|
||||
! locals
|
||||
integer :: int_err(5), icontxt, nprow, npcol, me, mycol,&
|
||||
& err_act, n, iix, jjx, temp(2)
|
||||
real(kind(1.d0)) :: asum
|
||||
integer :: int_err(5), icontxt, nprow, npcol, myrow, mycol,&
|
||||
& err_act, n, iix, jjx, temp(2), ix, jx, ijx, m, i
|
||||
real(kind(1.d0)) :: asum, dasum
|
||||
real(kind(1.d0)),pointer :: tmpx(:)
|
||||
character(len=20) :: name, ch_err
|
||||
|
||||
@@ -279,13 +271,12 @@ subroutine psb_dasumvs (res,x,desc_a, info)
|
||||
info=0
|
||||
call psb_erractionsave(err_act)
|
||||
|
||||
locmax(:)=0.d0
|
||||
asum=0.d0
|
||||
|
||||
icontxt=desc_data(psb_ctxt_)
|
||||
icontxt=desc_a%matrix_data(psb_ctxt_)
|
||||
|
||||
! check on blacs grid
|
||||
call blacs_gridinfo(icontxt, nprow, npcol, me, mypcol)
|
||||
call blacs_gridinfo(icontxt, nprow, npcol, myrow, mycol)
|
||||
if (nprow == -1) then
|
||||
info = 2010
|
||||
call psb_errpush(info,name)
|
||||
@@ -300,30 +291,27 @@ subroutine psb_dasumvs (res,x,desc_a, info)
|
||||
ix = 1
|
||||
jx = 1
|
||||
|
||||
m = desc_data(m_)
|
||||
m = desc_a%matrix_data(psb_m_)
|
||||
|
||||
! check vector correctness
|
||||
call psb_chkvect(m,1,size(x),ix,jx,desc_data%matrix_data,info,iix,jjx)
|
||||
call psb_chkvect(m,1,size(x),ix,jx,desc_a%matrix_data,info,iix,jjx)
|
||||
if(info.ne.0) then
|
||||
info=4010
|
||||
ch_err='psb_chkvect'
|
||||
call psb_errpush(info,name,a_err=ch_err)
|
||||
goto 9999
|
||||
end if
|
||||
|
||||
if (iix.ne.1) then
|
||||
info=3040
|
||||
call psb_errpush(info,name)
|
||||
goto 9999
|
||||
end if
|
||||
|
||||
err=info
|
||||
call psb_errcomm(icontxt,err)
|
||||
if(err.ne.0) goto 9999
|
||||
|
||||
! compute local max
|
||||
if ((m.ne.0)) then
|
||||
if(desc_data(psb_n_row_).gt.0) then
|
||||
tmpx => x(:)
|
||||
asum=dasum(desc_data(n_row),tmpx,ione)
|
||||
if(desc_a%matrix_data(psb_n_row_).gt.0) then
|
||||
asum=dasum(desc_a%matrix_data(psb_n_row_),x,ione)
|
||||
|
||||
! adjust asum because overlapped elements are computed more than once
|
||||
i=1
|
||||
|
||||
@@ -0,0 +1,38 @@
|
||||
include ../../../Make.inc
|
||||
|
||||
#
|
||||
# The object files
|
||||
#
|
||||
FOBJS = daxpby.o dcsmm.o dcsnmi.o dcsrp.o dcssm.o \
|
||||
dcsupd.o dgelp.o dlpupd.o dswmm.o dswprt.o \
|
||||
dswsm.o smmp.o ddot.o
|
||||
|
||||
|
||||
#zcsrck.o zcrnrmi.o zcsrmm.o zsrmv.o zcsrsm.o zsrsv.o
|
||||
|
||||
OBJS=$(FOBJS)
|
||||
|
||||
#
|
||||
# Where the library should go, and how it is called.
|
||||
# Note that we are regenerating most of libsparker.a on the fly.
|
||||
LIBDIR=../../../lib
|
||||
#LIBNAME=libsparker.a
|
||||
LIBFILE=$(LIBDIR)/$(LIBNAME)
|
||||
INCDIRS=-I. -I$(LIBDIR)
|
||||
|
||||
#
|
||||
# No change should be needed below
|
||||
#
|
||||
|
||||
|
||||
default: lib
|
||||
|
||||
lib: $(OBJS)
|
||||
|
||||
clean: cleanobjs
|
||||
|
||||
veryclean: cleanobjs
|
||||
|
||||
cleanobjs:
|
||||
/bin/rm -f $(OBJS)
|
||||
|
||||
@@ -0,0 +1,49 @@
|
||||
double precision function ddot(n,dx,incx,dy,incy)
|
||||
c
|
||||
c forms the dot product of two vectors.
|
||||
c uses unrolled loops for increments equal to one.
|
||||
c jack dongarra, linpack, 3/11/78.
|
||||
c modified 12/3/93, array(1) declarations changed to array(*)
|
||||
c
|
||||
double precision dx(*),dy(*),dtemp
|
||||
integer i,incx,incy,ix,iy,m,mp1,n
|
||||
c
|
||||
ddot = 0.0d0
|
||||
dtemp = 0.0d0
|
||||
if(n.le.0)return
|
||||
if(incx.eq.1.and.incy.eq.1)go to 20
|
||||
c
|
||||
c code for unequal increments or equal increments
|
||||
c not equal to 1
|
||||
c
|
||||
ix = 1
|
||||
iy = 1
|
||||
if(incx.lt.0)ix = (-n+1)*incx + 1
|
||||
if(incy.lt.0)iy = (-n+1)*incy + 1
|
||||
do 10 i = 1,n
|
||||
dtemp = dtemp + dx(ix)*dy(iy)
|
||||
ix = ix + incx
|
||||
iy = iy + incy
|
||||
10 continue
|
||||
ddot = dtemp
|
||||
return
|
||||
c
|
||||
c code for both increments equal to 1
|
||||
c
|
||||
c
|
||||
c clean-up loop
|
||||
c
|
||||
20 m = mod(n,5)
|
||||
if( m .eq. 0 ) go to 40
|
||||
do 30 i = 1,m
|
||||
dtemp = dtemp + dx(i)*dy(i)
|
||||
30 continue
|
||||
if( n .lt. 5 ) go to 60
|
||||
40 mp1 = m + 1
|
||||
do 50 i = mp1,n,5
|
||||
dtemp = dtemp + dx(i)*dy(i) + dx(i + 1)*dy(i + 1) +
|
||||
* dx(i + 2)*dy(i + 2) + dx(i + 3)*dy(i + 3) + dx(i + 4)*dy(i + 4)
|
||||
50 continue
|
||||
60 ddot = dtemp
|
||||
return
|
||||
end
|
||||
Reference in New Issue
Block a user