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Salvatore Filippone
2006-09-04 09:30:32 +00:00
parent d6195df8ac
commit 2e326204e8
1 changed files with 87 additions and 115 deletions
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test/Fileread/getp.f90
+87 -115
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@@ -28,106 +28,89 @@
!!$ POSSIBILITY OF SUCH DAMAGE.
!!$
!!$
MODULE GETP
Module getp
use psb_sparse_mod
PUBLIC GET_PARMS
PUBLIC PR_USAGE
public get_parms
public pr_usage
CONTAINS
contains
!
! Get iteration parameters from the command line
!
SUBROUTINE GET_PARMS(ICTXT,MTRX_FILE,RHS_FILE,CMETHD,IPART,&
& AFMT,ISTOPC,ITMAX,ITRACE,NOVR,IPREC,EPS)
subroutine get_parms(ictxt,mtrx_file,rhs_file,cmethd,ipart,&
& afmt,istopc,itmax,itrace,novr,iprec,eps)
integer :: ictxt
Character*40 :: CMETHD, MTRX_FILE, RHS_FILE
Integer :: IRET, ISTOPC,ITMAX,ITRACE,IPART,IPREC,NOVR
Character*40 :: CHARBUF
character*40 :: cmethd, mtrx_file, rhs_file
integer :: iret, istopc,itmax,itrace,ipart,iprec,novr
character*40 :: charbuf
real(kind(1.d0)) :: eps
character :: afmt*5
INTEGER :: IARGC, NP, IAM
EXTERNAL IARGC
INTEGER :: INPARMS(40), IP
integer :: np, iam
integer :: inparms(40), ip
call psb_info(ictxt,iam,np)
IF (IAM==0) THEN
if (iam==0) then
! Read Input Parameters
READ(*,*) IP
IF (IP.GE.3) THEN
READ(*,*) MTRX_FILE
READ(*,*) RHS_FILE
READ(*,*) CMETHD
READ(*,*) AFMT
read(*,*) ip
if (ip >= 3) then
read(*,*) mtrx_file
read(*,*) rhs_file
read(*,*) cmethd
read(*,*) afmt
! Convert strings in array
DO I = 1, LEN(MTRX_FILE)
INPARMS(I) = IACHAR(MTRX_FILE(I:I))
END DO
! Broadcast parameters to all processors
call psb_bcast(ictxt,inparms(1:40))
! Convert strings in array
DO I = 1, LEN(CMETHD)
INPARMS(I) = IACHAR(CMETHD(I:I))
END DO
! Broadcast parameters to all processors
call psb_bcast(ictxt,inparms(1:40))
call psb_bcast(ictxt,mtrx_file)
call psb_bcast(ictxt,rhs_file)
call psb_bcast(ictxt,cmethd)
call psb_bcast(ictxt,afmt)
DO I = 1, LEN(AFMT)
INPARMS(I) = IACHAR(AFMT(I:I))
END DO
! Broadcast parameters to all processors
call psb_bcast(ictxt,inparms(1:40))
READ(*,*) IPART
IF (IP.GE.5) THEN
READ(*,*) ISTOPC
ELSE
ISTOPC=1
ENDIF
IF (IP.GE.6) THEN
READ(*,*) ITMAX
ELSE
ITMAX=500
ENDIF
IF (IP.GE.7) THEN
READ(*,*) ITRACE
ELSE
ITRACE=-1
ENDIF
IF (IP.GE.8) THEN
READ(*,*) IPREC
ELSE
IPREC=0
ENDIF
IF (IP.GE.9) THEN
READ(*,*) NOVR
ELSE
NOVR = 1
ENDIF
IF (IP.GE.10) THEN
READ(*,*) EPS
ELSE
EPS=1.D-6
ENDIF
! Broadcast parameters to all processors
INPARMS(1) = IPART
INPARMS(2) = ISTOPC
INPARMS(3) = ITMAX
INPARMS(4) = ITRACE
INPARMS(5) = IPREC
INPARMS(6) = NOVR
read(*,*) ipart
if (ip >= 5) then
read(*,*) istopc
else
istopc=1
endif
if (ip >= 6) then
read(*,*) itmax
else
itmax=500
endif
if (ip >= 7) then
read(*,*) itrace
else
itrace=-1
endif
if (ip >= 8) then
read(*,*) iprec
else
iprec=0
endif
if (ip >= 9) then
read(*,*) novr
else
novr = 1
endif
if (ip >= 10) then
read(*,*) eps
else
eps=1.d-6
endif
inparms(1) = ipart
inparms(2) = istopc
inparms(3) = itmax
inparms(4) = itrace
inparms(5) = iprec
inparms(6) = novr
call psb_bcast(ictxt,inparms(1:6))
call psb_bcast(ictxt,eps)
write(*,'("Solving matrix : ",a40)')mtrx_file
write(*,'("Number of processors : ",i3)')np
write(*,'("Data distribution : ",i2)')ipart
write(*,'("Preconditioner : ",i2)')iprec
write(*,'("Solving matrix : ",a40)') mtrx_file
write(*,'("Number of processors : ",i3)') np
write(*,'("Data distribution : ",i2)') ipart
write(*,'("Preconditioner : ",i2)') iprec
if(iprec.gt.2) write(*,'("Overlapping levels : ",i2)')novr
write(*,'("Iterative method : ",a40)')cmethd
write(*,'("Storage format : ",a3)')afmt(1:3)
write(*,'("Iterative method : ",a40)') cmethd
write(*,'("Storage format : ",a3)') afmt(1:3)
write(*,'(" ")')
else
call pr_usage(0)
@@ -136,24 +119,12 @@ CONTAINS
end if
else
! Receive Parameters
call psb_bcast(ictxt,inparms(1:40))
do i = 1, 40
mtrx_file(i:i) = achar(inparms(i))
end do
call psb_bcast(ictxt,inparms(1:40))
DO I = 1, 40
CMETHD(I:I) = ACHAR(INPARMS(I))
END DO
call psb_bcast(ictxt,inparms(1:40))
DO I = 1, LEN(AFMT)
AFMT(I:I) = ACHAR(INPARMS(I))
END DO
call psb_bcast(ictxt,mtrx_file)
call psb_bcast(ictxt,rhs_file)
call psb_bcast(ictxt,cmethd)
call psb_bcast(ictxt,afmt)
call psb_bcast(ictxt,inparms(1:6))
ipart = inparms(1)
istopc = inparms(2)
itmax = inparms(3)
@@ -164,21 +135,22 @@ CONTAINS
end if
END SUBROUTINE GET_PARMS
SUBROUTINE PR_USAGE(IOUT)
INTEGER IOUT
WRITE(IOUT, *) ' Number of parameters is incorrect!'
WRITE(IOUT, *) ' Use: hb_sample mtrx_file methd prec [ptype &
end subroutine get_parms
subroutine pr_usage(iout)
integer iout
write(iout, *) ' Number of parameters is incorrect!'
write(iout, *) ' Use: hb_sample mtrx_file methd prec [ptype &
&itmax istopc itrace]'
WRITE(IOUT, *) ' Where:'
WRITE(IOUT, *) ' mtrx_file is stored in HB format'
WRITE(IOUT, *) ' methd may be: CGSTAB '
WRITE(IOUT, *) ' ptype Partition strategy default 0'
WRITE(IOUT, *) ' 0: BLOCK partition '
WRITE(IOUT, *) ' itmax Max iterations [500] '
WRITE(IOUT, *) ' istopc Stopping criterion [1] '
WRITE(IOUT, *) ' itrace 0 (no tracing, default) or '
WRITE(IOUT, *) ' >= 0 do tracing every ITRACE'
WRITE(IOUT, *) ' iterations '
END SUBROUTINE PR_USAGE
END MODULE GETP
write(iout, *) ' Where:'
write(iout, *) ' mtrx_file is stored in HB format'
write(iout, *) ' methd may be: CGSTAB '
write(iout, *) ' ptype Partition strategy default 0'
write(iout, *) ' 0: BLOCK partition '
write(iout, *) ' itmax Max iterations [500] '
write(iout, *) ' istopc Stopping criterion [1] '
write(iout, *) ' itrace 0 (no tracing, default) or '
write(iout, *) ' >= 0 do tracing every ITRACE'
write(iout, *) ' iterations '
end subroutine pr_usage
end module getp