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psblas3
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psblas3-type-indexed
Alfredo Buttari 20 years ago
parent bea96560d1
commit b20b2cacbb
4 changed files with 170 additions and 106 deletions
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103
src/psblas/psb_damax.f90
Unescape Escape View File

@ -27,8 +27,8 @@ function psb_damax (x,desc_a, info, jx)
real(kind(1.d0)) :: psb_damax real(kind(1.d0)) :: psb_damax
! locals ! locals
integer :: int_err(5), icontxt, nprow, npcol, me, mycol,& integer :: int_err(5), icontxt, nprow, npcol, myrow, mycol,&
& err_act, n, iix, jjx, temp(2) & err_act, n, iix, jjx, temp(2), ix, ijx, m, i, k, imax, idamax
real(kind(1.d0)) :: locmax(2), amax real(kind(1.d0)) :: locmax(2), amax
real(kind(1.d0)),pointer :: tmpx(:) real(kind(1.d0)),pointer :: tmpx(:)
character(len=20) :: name, ch_err character(len=20) :: name, ch_err
@ -40,10 +40,10 @@ function psb_damax (x,desc_a, info, jx)
locmax(:)=0.d0 locmax(:)=0.d0
amax=0.d0 amax=0.d0
icontxt=desc_data(psb_ctxt_) icontxt=desc_a%matrix_data(psb_ctxt_)
! check on blacs grid ! check on blacs grid
call blacs_gridinfo(icontxt, nprow, npcol, me, mypcol) call blacs_gridinfo(icontxt, nprow, npcol, myrow, mycol)
if (nprow == -1) then if (nprow == -1) then
info = 2010 info = 2010
call psb_errpush(info,name) call psb_errpush(info,name)
@ -62,9 +62,9 @@ function psb_damax (x,desc_a, info, jx)
ijx = 1 ijx = 1
endif endif
m = desc_data(m_) m = desc_a%matrix_data(psb_m_)
call psb_chkvect(m,1,size(x,1),ix,ijx,desc_data%matrix_data,info,iix,jjx) call psb_chkvect(m,1,size(x,1),ix,ijx,desc_a%matrix_data,info,iix,jjx)
if(info.ne.0) then if(info.ne.0) then
info=4010 info=4010
ch_err='psb_chkvect' ch_err='psb_chkvect'
@ -79,10 +79,9 @@ function psb_damax (x,desc_a, info, jx)
end if end if
! compute local max ! compute local max
if ((desc_data(psb_n_row_).gt.0).and.(m.ne.0)) then if ((desc_a%matrix_data(psb_n_row_).gt.0).and.(m.ne.0)) then
tmpx => x(iix:,jjx) imax=idamax(desc_a%matrix_data(psb_n_row_)-iix+1,x(iix,jjx),1)
imax=idamax(desc_data(n_row),tmpx,1) amax=abs(x(iix+imax-1,jjx))
amax=abs(tmpx(imax))
end if end if
! compute global max ! compute global max
@ -126,11 +125,11 @@ function psb_damaxv (x,desc_a, info)
real(kind(1.d0)), intent(in) :: x(:) real(kind(1.d0)), intent(in) :: x(:)
type(psb_desc_type), intent(in) :: desc_a type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info integer, intent(out) :: info
real(kind(1.d0)) :: psb_damax real(kind(1.d0)) :: psb_damaxv
! locals ! locals
integer :: int_err(5), icontxt, nprow, npcol, me, mycol,& integer :: int_err(5), err, icontxt, nprow, npcol, myrow, mycol,&
& err_act, n, iix, jjx, ix, jx, temp(2) & err_act, n, iix, jjx, jx, temp(2), ix, ijx, m, imax, idamax
real(kind(1.d0)) :: locmax(2), amax real(kind(1.d0)) :: locmax(2), amax
real(kind(1.d0)),pointer :: tmpx(:) real(kind(1.d0)),pointer :: tmpx(:)
character(len=20) :: name, ch_err character(len=20) :: name, ch_err
@ -142,10 +141,10 @@ function psb_damaxv (x,desc_a, info)
locmax(:)=0.d0 locmax(:)=0.d0
amax=0.d0 amax=0.d0
icontxt=desc_data(psb_ctxt_) icontxt=desc_a%matrix_data(psb_ctxt_)
! check on blacs grid ! check on blacs grid
call blacs_gridinfo(icontxt, nprow, npcol, me, mypcol) call blacs_gridinfo(icontxt, nprow, npcol, myrow, mycol)
if (nprow == -1) then if (nprow == -1) then
info = 2010 info = 2010
call psb_errpush(info,name) call psb_errpush(info,name)
@ -160,29 +159,26 @@ function psb_damaxv (x,desc_a, info)
ix = 1 ix = 1
jx = 1 jx = 1
m = desc_data(m_) m = desc_a%matrix_data(psb_m_)
call psb_chkvect(m,1,size(x,1),ix,jx,desc_data%matrix_data,info,iix,jjx) call psb_chkvect(m,1,size(x,1),ix,jx,desc_a%matrix_data,info,iix,jjx)
if(info.ne.0) then if(info.ne.0) then
info=4010 info=4010
ch_err='psb_chkvect' ch_err='psb_chkvect'
call psb_errpush(info,name,a_err=ch_err) call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if end if
if (iix.ne.1) then if (iix.ne.1) then
info=3040 info=3040
call psb_errpush(info,name) call psb_errpush(info,name)
goto 9999
end if end if
err=info
call psb_errcomm(icontxt,err)
if(err.ne.0) goto 9999
! compute local max ! compute local max
if ((desc_data(psb_n_row_).gt.0).and.(m.ne.0)) then if ((desc_a%matrix_data(psb_n_row_).gt.0).and.(m.ne.0)) then
tmpx => x(iix:,jjx) imax=idamax(desc_a%matrix_data(psb_n_row_)-iix+1,x(iix),1)
imax=idamax(desc_data(n_row),tmpx,1) amax=abs(x(iix+imax-1))
amax=abs(tmpx(imax))
end if end if
! compute global max ! compute global max
@ -225,16 +221,15 @@ subroutine psb_damaxvs (res,x,desc_a, info, jx)
use psb_error_mod use psb_error_mod
implicit none implicit none
real(kind(1.d0)), intent(in) :: x(:,:) real(kind(1.d0)), intent(in) :: x(:)
type(psb_desc_type), intent(in) :: desc_a type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info integer, intent(out) :: info
integer, optional, intent(in) :: jx integer, optional, intent(in) :: jx
real(kind(1.D0)), intent(out) :: res real(kind(1.D0)), intent(out) :: res
real(kind(1.d0)) :: psb_damax
! locals ! locals
integer :: int_err(5), icontxt, nprow, npcol, me, mycol,& integer :: int_err(5), icontxt, nprow, npcol, myrow, mycol,&
& err_act, n, iix, jjx, temp(2) & err_act, n, iix, jjx, temp(2), ix, ijx, m, imax, idamax
real(kind(1.d0)) :: locmax(2), amax real(kind(1.d0)) :: locmax(2), amax
real(kind(1.d0)),pointer :: tmpx(:) real(kind(1.d0)),pointer :: tmpx(:)
character(len=20) :: name, ch_err character(len=20) :: name, ch_err
@ -246,10 +241,10 @@ subroutine psb_damaxvs (res,x,desc_a, info, jx)
locmax(:)=0.d0 locmax(:)=0.d0
amax=0.d0 amax=0.d0
icontxt=desc_data(psb_ctxt_) icontxt=desc_a%matrix_data(psb_ctxt_)
! check on blacs grid ! check on blacs grid
call blacs_gridinfo(icontxt, nprow, npcol, me, mypcol) call blacs_gridinfo(icontxt, nprow, npcol, myrow, mycol)
if (nprow == -1) then if (nprow == -1) then
info = 2010 info = 2010
call psb_errpush(info,name) call psb_errpush(info,name)
@ -268,29 +263,26 @@ subroutine psb_damaxvs (res,x,desc_a, info, jx)
ijx = 1 ijx = 1
endif endif
m = desc_data(m_) m = desc_a%matrix_data(psb_m_)
call psb_chkvect(m,1,size(x,1),ix,ijx,desc_data%matrix_data,info,iix,jjx) call psb_chkvect(m,1,size(x,1),ix,ijx,desc_a%matrix_data,info,iix,jjx)
if(info.ne.0) then if(info.ne.0) then
info=4010 info=4010
ch_err='psb_chkvect' ch_err='psb_chkvect'
call psb_errpush(info,name,a_err=ch_err) call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if end if
if (iix.ne.1) then if (iix.ne.1) then
info=3040 info=3040
call psb_errpush(info,name) call psb_errpush(info,name)
goto 9999
end if end if
err=info
call psb_errcomm(icontxt,err)
if(err.ne.0) goto 9999
! compute local max ! compute local max
if ((desc_data(psb_n_row_).gt.0).and.(m.ne.0)) then if ((desc_a%matrix_data(psb_n_row_).gt.0).and.(m.ne.0)) then
tmpx => x(iix:,jjx) imax=idamax(desc_a%matrix_data(psb_n_row_)-iix+1,x(iix),1)
imax=idamax(desc_data(n_row),tmpx,1) amax=abs(tmpx(iix+imax-1))
amax=abs(tmpx(imax))
end if end if
! compute global max ! compute global max
@ -332,15 +324,15 @@ subroutine psb_dmamaxs (res,x,desc_a, info)
use psb_error_mod use psb_error_mod
implicit none implicit none
real(kind(1.d0)), intent(in) :: x(:) real(kind(1.d0)), intent(in) :: x(:,:)
type(psb_desc_type), intent(in) :: desc_a type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info integer, intent(out) :: info
real(kind(1.d0)), intent(out) :: res(:) real(kind(1.d0)), intent(out) :: res(:)
! locals ! locals
integer :: int_err(5), icontxt, nprow, npcol, me, mycol,& integer :: int_err(5), icontxt, nprow, npcol, myrow, mycol,&
& err_act, n, iix, jjx, ix, jx, temp(2) & err_act, n, iix, jjx, ix, jx, temp(2), ijx, m, imax, i, k, idamax
real(kind(1.d0)) :: locmax(2) real(kind(1.d0)) :: locmax(2), amax
real(kind(1.d0)),pointer :: tmpx(:) real(kind(1.d0)),pointer :: tmpx(:)
character(len=20) :: name, ch_err character(len=20) :: name, ch_err
@ -351,10 +343,10 @@ subroutine psb_dmamaxs (res,x,desc_a, info)
locmax(:)=0.d0 locmax(:)=0.d0
amax=0.d0 amax=0.d0
icontxt=desc_data(psb_ctxt_) icontxt=desc_a%matrix_data(psb_ctxt_)
! check on blacs grid ! check on blacs grid
call blacs_gridinfo(icontxt, nprow, npcol, me, mypcol) call blacs_gridinfo(icontxt, nprow, npcol, myrow, mycol)
if (nprow == -1) then if (nprow == -1) then
info = 2010 info = 2010
call psb_errpush(info,name) call psb_errpush(info,name)
@ -369,31 +361,28 @@ subroutine psb_dmamaxs (res,x,desc_a, info)
ix = 1 ix = 1
jx = 1 jx = 1
m = desc_data(m_) m = desc_a%matrix_data(psb_m_)
k = min(size(x,2),size(res,1)) k = min(size(x,2),size(res,1))
call psb_chkvect(m,1,size(x,1),ix,jx,desc_data%matrix_data,info,iix,jjx) call psb_chkvect(m,1,size(x,1),ix,jx,desc_a%matrix_data,info,iix,jjx)
if(info.ne.0) then if(info.ne.0) then
info=4010 info=4010
ch_err='psb_chkvect' ch_err='psb_chkvect'
call psb_errpush(info,name,a_err=ch_err) call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if end if
if (iix.ne.1) then if (iix.ne.1) then
info=3040 info=3040
call psb_errpush(info,name) call psb_errpush(info,name)
goto 9999
end if end if
err=info
call psb_errcomm(icontxt,err)
if(err.ne.0) goto 9999
! compute local max ! compute local max
if ((desc_data(psb_n_row_).gt.0).and.(m.ne.0)) then if ((desc_a%matrix_data(psb_n_row_).gt.0).and.(m.ne.0)) then
do i=1,k do i=1,k
tmpx => x(iix:,i) imax=idamax(desc_a%matrix_data(psb_n_row_)-iix+1,x(iix,jjx),1)
imax=idamax(desc_data(n_row),tmpx,1) res(i)=abs(x(iix+imax-1,jjx+i-1))
res(i)=abs(tmpx(imax))
end do end do
end if end if

80
src/psblas/psb_dasum.f90
Unescape Escape View File

@ -27,9 +27,9 @@ function psb_dasum (x,desc_a, info, jx)
real(kind(1.d0)) :: psb_dasum real(kind(1.d0)) :: psb_dasum
! locals ! locals
integer :: int_err(5), icontxt, nprow, npcol, me, mycol,& integer :: int_err(5), icontxt, nprow, npcol, myrow, mycol,&
& err_act, n, iix, jjx, temp(2) & err_act, n, iix, jjx, temp(2), ix, ijx, m, i
real(kind(1.d0)) :: asum real(kind(1.d0)) :: asum, dasum
real(kind(1.d0)),pointer :: tmpx(:) real(kind(1.d0)),pointer :: tmpx(:)
character(len=20) :: name, ch_err character(len=20) :: name, ch_err
@ -39,10 +39,10 @@ function psb_dasum (x,desc_a, info, jx)
asum=0.d0 asum=0.d0
icontxt=desc_data(psb_ctxt_) icontxt=desc_a%matrix_data(psb_ctxt_)
! check on blacs grid ! check on blacs grid
call blacs_gridinfo(icontxt, nprow, npcol, me, mypcol) call blacs_gridinfo(icontxt, nprow, npcol, myrow, mycol)
if (nprow == -1) then if (nprow == -1) then
info = 2010 info = 2010
call psb_errpush(info,name) call psb_errpush(info,name)
@ -61,30 +61,27 @@ function psb_dasum (x,desc_a, info, jx)
ijx = 1 ijx = 1
endif endif
m = desc_data(m_) m = desc_a%matrix_data(psb_m_)
! check vector correctness ! check vector correctness
call psb_chkvect(m,1,size(x,1),ix,ijx,desc_data%matrix_data,info,iix,jjx) call psb_chkvect(m,1,size(x,1),ix,ijx,desc_a%matrix_data,info,iix,jjx)
if(info.ne.0) then if(info.ne.0) then
info=4010 info=4010
ch_err='psb_chkvect' ch_err='psb_chkvect'
call psb_errpush(info,name,a_err=ch_err) call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if end if
if (iix.ne.1) then if (iix.ne.1) then
info=3040 info=3040
call psb_errpush(info,name) call psb_errpush(info,name)
goto 9999
end if end if
err=info
call psb_errcomm(icontxt,err)
if(err.ne.0) goto 9999
! compute local max ! compute local max
if ((m.ne.0)) then if ((m.ne.0)) then
if(desc_data(psb_n_row_).gt.0) then if(desc_a%matrix_data(psb_n_row_).gt.0) then
tmpx => x(iix:,jjx) asum=dasum(desc_a%matrix_data(psb_n_row_)-iix+1,x(iix,jjx),ione)
asum=dasum(desc_data(n_row),tmpx,ione)
! adjust asum because overlapped elements are computed more than once ! adjust asum because overlapped elements are computed more than once
i=1 i=1
@ -149,9 +146,9 @@ function psb_dasumv (x,desc_a, info)
real(kind(1.d0)) :: psb_dasumv real(kind(1.d0)) :: psb_dasumv
! locals ! locals
integer :: int_err(5), icontxt, nprow, npcol, me, mycol,& integer :: int_err(5), icontxt, nprow, npcol, myrow, mycol,&
& err_act, n, iix, jjx, temp(2) & err_act, n, iix, jjx, temp(2), jx, ix, ijx, m, i
real(kind(1.d0)) :: asum real(kind(1.d0)) :: asum, dasum
real(kind(1.d0)),pointer :: tmpx(:) real(kind(1.d0)),pointer :: tmpx(:)
character(len=20) :: name, ch_err character(len=20) :: name, ch_err
@ -159,13 +156,12 @@ function psb_dasumv (x,desc_a, info)
info=0 info=0
call psb_erractionsave(err_act) call psb_erractionsave(err_act)
locmax(:)=0.d0
asum=0.d0 asum=0.d0
icontxt=desc_data(psb_ctxt_) icontxt=desc_a%matrix_data(psb_ctxt_)
! check on blacs grid ! check on blacs grid
call blacs_gridinfo(icontxt, nprow, npcol, me, mypcol) call blacs_gridinfo(icontxt, nprow, npcol, myrow, mycol)
if (nprow == -1) then if (nprow == -1) then
info = 2010 info = 2010
call psb_errpush(info,name) call psb_errpush(info,name)
@ -180,30 +176,27 @@ function psb_dasumv (x,desc_a, info)
ix = 1 ix = 1
jx=1 jx=1
m = desc_data(m_) m = desc_a%matrix_data(psb_m_)
! check vector correctness ! 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 if(info.ne.0) then
info=4010 info=4010
ch_err='psb_chkvect' ch_err='psb_chkvect'
call psb_errpush(info,name,a_err=ch_err) call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if end if
if (iix.ne.1) then if (iix.ne.1) then
info=3040 info=3040
call psb_errpush(info,name) call psb_errpush(info,name)
goto 9999
end if end if
err=info
call psb_errcomm(icontxt,err)
if(err.ne.0) goto 9999
! compute local max ! compute local max
if ((m.ne.0)) then if ((m.ne.0)) then
if(desc_data(psb_n_row_).gt.0) then if(desc_a%matrix_data(psb_n_row_).gt.0) then
tmpx => x(:) asum=dasum(desc_a%matrix_data(psb_n_row_),x,ione)
asum=dasum(desc_data(n_row),tmpx,ione)
! adjust asum because overlapped elements are computed more than once ! adjust asum because overlapped elements are computed more than once
i=1 i=1
@ -228,7 +221,6 @@ function psb_dasumv (x,desc_a, info)
asum=0.d0 asum=0.d0
end if end if
psb_dasumv=asum psb_dasumv=asum
call psb_erractionrestore(err_act) call psb_erractionrestore(err_act)
@ -242,7 +234,7 @@ function psb_dasumv (x,desc_a, info)
return return
end if end if
return return
end function psb_dasum end function psb_dasumv
! Subroutine: psb_dasum vs ! Subroutine: psb_dasum vs
@ -269,9 +261,9 @@ subroutine psb_dasumvs (res,x,desc_a, info)
integer, intent(out) :: info integer, intent(out) :: info
! locals ! locals
integer :: int_err(5), icontxt, nprow, npcol, me, mycol,& integer :: int_err(5), icontxt, nprow, npcol, myrow, mycol,&
& err_act, n, iix, jjx, temp(2) & err_act, n, iix, jjx, temp(2), ix, jx, ijx, m, i
real(kind(1.d0)) :: asum real(kind(1.d0)) :: asum, dasum
real(kind(1.d0)),pointer :: tmpx(:) real(kind(1.d0)),pointer :: tmpx(:)
character(len=20) :: name, ch_err character(len=20) :: name, ch_err
@ -279,13 +271,12 @@ subroutine psb_dasumvs (res,x,desc_a, info)
info=0 info=0
call psb_erractionsave(err_act) call psb_erractionsave(err_act)
locmax(:)=0.d0
asum=0.d0 asum=0.d0
icontxt=desc_data(psb_ctxt_) icontxt=desc_a%matrix_data(psb_ctxt_)
! check on blacs grid ! check on blacs grid
call blacs_gridinfo(icontxt, nprow, npcol, me, mypcol) call blacs_gridinfo(icontxt, nprow, npcol, myrow, mycol)
if (nprow == -1) then if (nprow == -1) then
info = 2010 info = 2010
call psb_errpush(info,name) call psb_errpush(info,name)
@ -300,30 +291,27 @@ subroutine psb_dasumvs (res,x,desc_a, info)
ix = 1 ix = 1
jx = 1 jx = 1
m = desc_data(m_) m = desc_a%matrix_data(psb_m_)
! check vector correctness ! 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 if(info.ne.0) then
info=4010 info=4010
ch_err='psb_chkvect' ch_err='psb_chkvect'
call psb_errpush(info,name,a_err=ch_err) call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if end if
if (iix.ne.1) then if (iix.ne.1) then
info=3040 info=3040
call psb_errpush(info,name) call psb_errpush(info,name)
goto 9999
end if end if
err=info
call psb_errcomm(icontxt,err)
if(err.ne.0) goto 9999
! compute local max ! compute local max
if ((m.ne.0)) then if ((m.ne.0)) then
if(desc_data(psb_n_row_).gt.0) then if(desc_a%matrix_data(psb_n_row_).gt.0) then
tmpx => x(:) asum=dasum(desc_a%matrix_data(psb_n_row_),x,ione)
asum=dasum(desc_data(n_row),tmpx,ione)
! adjust asum because overlapped elements are computed more than once ! adjust asum because overlapped elements are computed more than once
i=1 i=1

38
src/serial/f77/Makefile
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@ -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)

49
src/serial/f77/ddot.f
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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
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