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mod_pipe.F
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module mod_pipe
use mod_xc ! HYCOM communication interface
c
c --- HYCOM (named pipe based) debugging interface
c
logical, save, public :: lpipe
c
integer, save, private :: ipunit,lpunit,ishift,jshift,nsym,
& nstep_start
logical, save, private :: ldebug,ldebugssh,
& lmaster,lpipeio,lshift,lslave,
& lsym,lnan,
& ltracer,ltracernan,ltracermax,
& lpipe_fatal,lpipe_anyfailed
real, save, private :: trcmax(mxtrcr)
c
real, allocatable, dimension(:,:),
& save, private :: field1,field2,tmask,vmask,amask
contains
c
c --- this set of routines facilitates output comparison from two HYCOM
c --- versions running side by side. one model, the 'slave', writes its
c --- output into a named pipe. the other model, the 'master', reads
c --- from the pipe and compares.
c --- differences are recorded in 'PIPE_base.out'.
c
c --- call 'pipe_fatal_on' to exit on differences (this is the default)
c --- call 'pipe_fatal_off' to continue on differences
c
c --- call 'pipe_init' at start of main program.
c
c --- if the file 'PIPE_MASTER' exists then this is the master,
c --- if the file 'PIPE_SLAVE' exists then this is the slave,
c --- if the file 'PIPE_SYM' exists then this is master and slave,
c --- if the file 'PIPE_NAN' exists then this is master and slave,
c --- if the file 'PIPE_TRACER' exists then this is master and slave,
c --- otherwise there is no comparison made.
c
c --- if the file 'PIPE_SHIFT' exists for the slave, then it
c --- is a single-line plain text file containing two integers
c --- specifiying how much to periodically shift the slave arrays
c --- before sending them to the master. it is an error for
c --- 'PIPE_SHIFT' to exist (a) on the master and (b) when not
c --- making a comparison.
c
c --- if the file 'PIPE_SYM' exists, there is no slave and the
c --- master compares its own fields for various symmetries.
c --- it is a single-line plain text file containing an integer
c --- specifiying what kind of symmetries to test for (0=constant,
c --- 1=transpose, 2=constant-in-j, -2=arctic, 4=4-way, 8=8-way).
c --- it is an error for 'PIPE_SYM' to exist when making a
c --- master/slave comparison.
c
c --- if the file 'PIPE_NAN' exists, there is no slave and the
c --- master checks that all appropriate fields are free of
c --- NaNs and Infs.
c
c --- if the file 'PIPE_TRACER' exists, there is no slave and the
c --- master checks that all appropriate tracers are non-negative
c --- and compares temperature to any "temperature" tracer.
c
c --- if the file 'PIPE_DEBUG' exists then debugging printout
c --- is produced for point itest,jtest (>0, see blkdat.f).
c --- if itest=-1 the min/max/iospycnal of th3d are printed.
c --- if jtest=-1 the basin-wide means are printed.
c --- this works with or without a pipe for comparison.
c
c --- if the file 'PIPE_DEBUG_SSH' exists then debugging printout
c --- is produced for SSH at point itest,jtest. in addition, SSH
c --- is checked everywhere for NaN and/or Infs.
c --- this works with or without a pipe for comparison.
c
c --- the 'PIPE_MASTER' and 'PIPE_SLAVE' files contain the location
c --- of an existing named-pipe. the 'PIPE_SHIFT' file contains the
c --- periodic shift to apply on the slave. the 'PIPE_SYM' file
c --- contains the kind of symmetries to test for. the contents of
c --- the 'PIPE_DEBUG' and 'PIPE_DEBUG_SSH' files are ignored.
c
c --- call 'pipe_compare' (from master and slave) anywhere in the code
c --- to check whether data stored in a single array are identical
c
c --- call 'pipe_compare_sym1' anywhere in the code to check whether
c --- data stored in a single p-grid array are symmetrical.
c --- note that this can be used in place of 'pipe_compare', since
c --- it will call the latter in master/slave mode.
c
c --- call 'pipe_compare_sym2' anywhere in the code to check whether
c --- data stored in vector u and v grid arrays are symmetrical.
c --- note that this can be used in place of 'pipe_compare', since
c --- it will call the latter twice (for u and v) in master/slave mode.
c
c --- call 'pipe_comparall' (from master and slave) after major routines
c --- to check whether data stored in all major arrays are identical or
c --- symmetric.
c
subroutine pipe_fatal_on
implicit none
lpipe_fatal = .true.
return
end subroutine pipe_fatal_on
c
subroutine pipe_fatal_off
implicit none
lpipe_fatal = .false.
return
end subroutine pipe_fatal_off
c
subroutine pipe_init
use mod_cb_arrays ! HYCOM saved arrays
implicit none
c
character*256 cpipe
c
character*12 cinfo
integer irecl
logical ltstep
c
#if defined(OCEANS2)
c --- master and slave in the same mpi executable
lmaster = nocean.eq.1
lslave = nocean.eq.2
c
lshift = .false.
lsym = .false.
lnan = .false.
ltracer = .false.
ltracernan = .false.
ltracermax = .false.
ldebug = .false.
ldebugssh = .false.
#else
inquire(file=trim(flnminp)//'PIPE_MASTER', exist=lmaster)
inquire(file=trim(flnminp)//'PIPE_SLAVE', exist=lslave)
inquire(file=trim(flnminp)//'PIPE_SHIFT', exist=lshift)
inquire(file=trim(flnminp)//'PIPE_SYM', exist=lsym)
inquire(file=trim(flnminp)//'PIPE_NAN', exist=lnan)
inquire(file=trim(flnminp)//'PIPE_TRACER', exist=ltracer)
inquire(file=trim(flnminp)//'PIPE_TRACERNAN', exist=ltracernan)
inquire(file=trim(flnminp)//'PIPE_TRACERMAX', exist=ltracermax)
inquire(file=trim(flnminp)//'PIPE_DEBUG', exist=ldebug)
inquire(file=trim(flnminp)//'PIPE_DEBUG_SSH', exist=ldebugssh)
#endif
c
if (lmaster .and. lslave) then
call xchalt('pipe_init: (master/slave ambiguity)')
stop 'pipe_init: (master/slave ambiguity)'
endif
if (lsym .and. (lmaster .or. lslave)) then
call xchalt('pipe_init: (sym/master/slave ambiguity)')
stop 'pipe_init: (sym/master/slave ambiguity)'
endif
if (lnan .and. lsym) then
call xchalt('pipe_init: (nan/sym ambiguity)')
stop 'pipe_init: (nan/sym ambiguity)'
endif
if (lnan .and. (lmaster .or. lslave)) then
call xchalt('pipe_init: (nan/master/slave ambiguity)')
stop 'pipe_init: (nan/master/slave ambiguity)'
endif
lpipe = lmaster .or. lslave .or. lsym .or. lnan
lpipeio = lmaster .or. lslave
if (lshift .and. .not.lslave) then
call xchalt('pipe_init: (shift ambiguity)')
stop 'pipe_init: (shift ambiguity)'
endif
c
lpipe_fatal = .true. !by default, exit on detecting differences
lpipe_anyfailed = .false. !no differences detected yet
c
if (ltracermax) then
ltracer = .true.
open(unit=uoff+99,file=trim(flnminp)//'PIPE_TRACERMAX') !on all nodes
read(uoff+99,*) trcmax(1:ntracr)
close(unit=uoff+99) !file='PIPE_TRACERMAX'
else
trcmax(1:ntracr) = huge(trcmax(1))
endif
c
if (lpipeio) then
inquire(file=trim(flnminp)//'PIPE_START', exist=ltstep)
if (ltstep) then
open(unit=uoff+99,file=trim(flnminp)//'PIPE_START') !on all nodes
read(uoff+99,*) nstep_start
close(unit=uoff+99) !file='PIPE_START'
else
nstep_start = 0
endif
endif
c
if (lpipe .or. ltracer) then
c
c --- allocate arrays for comparison
c
allocate( field1(itdm,jtdm) )
allocate( field2(itdm,jtdm) )
call mem_stat_add( 2*itdm*jtdm )
if (.not.lslave) then
allocate( tmask( itdm,jtdm) )
call mem_stat_add( itdm*jtdm )
allocate( amask( 1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy) )
call mem_stat_add( (idm+2*nbdy)*(jdm+2*nbdy) )
endif
if (lsym .or. lnan) then
allocate( vmask( itdm,jtdm) )
call mem_stat_add( itdm*jtdm )
endif
endif ! pipe
c
#if defined(OCEANS2)
if (lpipeio) then
c
c --- open some output files
c
lpunit=19
c
if (mnproc.eq.1) then
if (lmaster) then
open (unit=lpunit,file=trim(flnminp)//'PIPE_base.out',
& status='unknown')
else ! slave
open (unit=lpunit,file=trim(flnminp)//'PIPE_test.out',
& status='unknown')
endif ! master/slave
endif !1st tile only.
call xcsync(flush_lp)
endif ! pipeio
#else
if (lpipeio) then
c
c --- open the pipe and some output files
c --- note that named pipe buffers are small, typically 64KB
c
ipunit=18
lpunit=19
c
if (mnproc.eq.1) then
if (lmaster) then
open (unit=17,file=trim(flnminp)//'PIPE_MASTER',
& status='old',form='formatted')
read ( 17,'(a)') cpipe
close(unit=17)
write(lp,'(a,a)') 'master opening pipe for reading: ',
& cpipe(1:len_trim(cpipe))
call flush(lp)
#if defined(ALPHA)
c --- work-around a compiler bug by skipping irecl
open (unit=ipunit,file=cpipe,status='old',
& action='read',
& form='unformatted')
#else
cinfo=' ' !removes spurious compiler warning message
inquire( iolength=irecl ) cinfo,field1(:,1)
open (unit=ipunit,file=cpipe,status='old',
& action='read',recl=irecl,
& form='unformatted')
#endif
open (unit=lpunit,file=trim(flnminp)//'PIPE_base.out',
& status='unknown')
else ! slave
open (unit=17,file=trim(flnminp)//'PIPE_SLAVE',
& status='old',form='formatted')
read ( 17,'(a)') cpipe
close(unit=17)
write(lp,'(a,a)') 'slave opening pipe for writing: ',
& cpipe(1:len_trim(cpipe))
call flush(lp)
#if defined(ALPHA)
c --- work-around a compiler bug by skipping irecl
open (unit=ipunit,file=cpipe,status='old',
& action='write',
& form='unformatted')
#else
cinfo=' ' !removes spurious compiler warning message
inquire( iolength=irecl ) cinfo,field1(:,1)
open (unit=ipunit,file=cpipe,status='old',
& action='write',recl=irecl,
& form='unformatted')
#endif
open (unit=lpunit,file=trim(flnminp)//'PIPE_test.out',
& status='unknown')
c
if (lshift) then
open (unit=17,file=trim(flnminp)//'PIPE_SHIFT',
& status='old',form='formatted')
read ( 17,*) ishift,jshift
close(unit=17)
write(lp,'(a,2i5)') 'slave periodic shift is:',
& ishift,jshift
call flush(lp)
endif ! shift
endif ! master/slave
endif !1st tile only.
call xcsync(flush_lp)
endif ! pipeio
#endif /* OCEANS2:else */
c
if (lsym) then
open (unit=17,file=trim(flnminp)//'PIPE_SYM',
& status='old',form='formatted')
read ( 17,*) nsym
close(unit=17)
if (mnproc.eq.1) then
lpunit=19
open (unit=lpunit,file=trim(flnminp)//'PIPE_base.out',
& status='unknown')
write(lpunit,'(a,i2)') 'symmetry type is:',nsym
write(lp, '(a,i2)') 'symmetry type is:',nsym
call flush(lpunit)
endif
if (nsym.ne. 0 .and.
& nsym.ne. 1 .and.
& nsym.ne. 2 .and.
& nsym.ne.-2 ) then
if (mnproc.eq.1) then
write(lp,'(a)') 'symmetry type is not supported'
endif
call xcstop('(pipe_init)')
stop '(pipe_init)'
endif
call xcsync(flush_lp)
endif ! sym
c
return
end subroutine pipe_init
c
#if defined(OCEANS2)
subroutine pipe_compare(field,mask,what)
use mod_cb_arrays ! HYCOM saved arrays, for nstep
implicit none
c
real, dimension (1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy),
& intent(in) :: field
integer, dimension (1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy),
& intent(in) :: mask
character*12,
& intent(in) :: what
c
c --- call this routine from anywhere in the code (from both versions, of
c --- course) to check whether data stored in 'field' are identical
c --- master and slave in same executable, uses xcpipe to exchange fields
c
integer i,i1,j,j1
logical fail
character*12 which
real fnan !target for huge
c
if (lpipeio .and. nstep.ge.nstep_start) then
if (lmaster) then
do j=1,jj
do i=1,ii
amask(i,j) = mask(i,j)
enddo
enddo
call xcaget(tmask, amask, 1)
endif !master
call xcaget(field2, field, 1)
c
if (mnproc.eq.1) then
if (lslave) then
write (lpunit,'(2a)') 'writing for comparison: ',what
call flush(lpunit)
call xcpipe(field1,which, field2,what)
else ! master
call xcpipe(field1,which, field2,what)
write (lpunit,'(2a)') 'reading for comparison: ',which
call flush(lpunit)
if (what.ne.which) then
write (lpunit,'(4a)') 'out of sync -- trying to compare ',
& what,' to ',which
call xchalt('(pipe_compare)')
stop '(pipe_compare)'
endif
c
fail=.false.
do j=1,jtdm
do i=1,itdm
if (tmask(i,j).gt.0.0 .and.
& field2(i,j).ne.field1(i,j)) then
c-----------------if (hycom_isnaninf(field2(i,j))) then
if (.not.
& (field2(i,j).ge.-huge(fnan) .and.
& field2(i,j).le. huge(fnan) )) then
write (lpunit,'(a,2i5,1p,2(a,e12.5),4x,a)')
& 'i,j=',i,j,
& ' master:',field2(i,j),
& ' slave:', field1(i,j),what
else
write (lpunit,'(a,2i5,1p,2(a,e12.5),4x,a)')
& 'i,j=',i,j,
& ' master:',field2(i,j),
& ' error:', field2(i,j)-field1(i,j),what
endif
fail=.true.
endif
enddo
enddo
lpipe_anyfailed = lpipe_anyfailed .or. fail
if (lpipe_fatal .and. fail) then ! exit
call xchalt('(pipe_compare)')
stop '(pipe_compare)'
endif
endif !slave:master
endif !1st tile
call xcsync(no_flush) ! wait for 1st tile
endif !lpipeio
return
end subroutine pipe_compare
#else
subroutine pipe_compare(field,mask,what)
use mod_cb_arrays ! HYCOM saved arrays
implicit none
c
real, dimension (1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy),
& intent(in) :: field
integer, dimension (1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy),
& intent(in) :: mask
character*12,
& intent(in) :: what
c
c --- call this routine from anywhere in the code (from both versions, of
c --- course) to check whether data stored in 'field' are identical
c --- uses short reads and writes to a named pipe
c
integer i,i1,j,j1
logical fail
character*12 which
real fnan !target for huge
c
if (lpipeio .and. nstep.ge.nstep_start) then
if (lmaster) then
do j=1,jj
do i=1,ii
amask(i,j) = mask(i,j)
enddo
enddo
call xcaget(tmask, amask, 1)
endif !master
call xcaget(field2, field, 1)
c
if (mnproc.eq.1) then
if (lslave) then
if (.not.lshift) then
write (lpunit,'(2a)') 'writing for comparison: ',what
call flush(lpunit)
do j= 1,jtdm
write (ipunit) what, field2(:,j)
enddo !j
else ! shift slave array by ishift,jshift
do j=1,jtdm
j1 = mod( j-1+jshift+jtdm, jtdm ) + 1
do i=1,itdm
i1 = mod( i-1+ishift+itdm, itdm ) + 1
field1(i1,j1) = field2(i,j)
enddo
enddo
write (lpunit,'(2a)') 'writing for comparison: ',what
call flush(lpunit)
do j= 1,jtdm
write (ipunit) what, field1(:,j)
enddo !j
endif
else ! master
do j= 1,jtdm
read (ipunit) which,field1(:,j)
enddo !j
write (lpunit,'(2a)') 'reading for comparison: ',which
call flush(lpunit)
if (what.ne.which) then
write (lpunit,'(4a)') 'out of sync -- trying to compare ',
& what,' to ',which
call xchalt('(pipe_compare)')
stop '(pipe_compare)'
endif
c
fail=.false.
do j=1,jtdm
do i=1,itdm
if (tmask(i,j).gt.0.0 .and.
& field2(i,j).ne.field1(i,j)) then
c-----------------if (hycom_isnaninf(field2(i,j))) then
if (.not.
& (field2(i,j).ge.-huge(fnan) .and.
& field2(i,j).le. huge(fnan) )) then
write (lpunit,'(a,2i5,1p,2(a,e12.5),4x,a)')
& 'i,j=',i,j,
& ' master:',field2(i,j),
& ' slave:', field1(i,j),what
else
write (lpunit,'(a,2i5,1p,2(a,e12.5),4x,a)')
& 'i,j=',i,j,
& ' master:',field2(i,j),
& ' error:', field2(i,j)-field1(i,j),what
endif
fail=.true.
endif
enddo
enddo
lpipe_anyfailed = lpipe_anyfailed .or. fail
if (lpipe_fatal .and. fail) then ! exit
call xchalt('(pipe_compare)')
stop '(pipe_compare)'
endif
endif !slave:master
endif !1st tile
call xcsync(no_flush) ! wait for 1st tile
endif !lpipeio
if (ldebug .and. ittest.ne.-1 .and. jttest.ne.-1) then
if (i0.lt.ittest .and. i0+ii.ge.ittest .and.
& j0.lt.jttest .and. j0+jj.ge.jttest ) then
write (lp,'(a,2i5,2x,a,a,1pg24.10)')
& 'i,j=',itest+i0,jtest+j0,
& what,': ',
& field(itest,jtest)
endif
endif
return
end subroutine pipe_compare
#endif /* OCEANS2:else */
subroutine pipe_compare_sym1(field,mask,what)
implicit none
c
real, dimension (1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy),
& intent(in) :: field
integer, dimension (1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy),
& intent(in) :: mask
character*12,
& intent(in) :: what
c
c --- call this routine from anywhere in the code
c --- to check whether data stored in 'field' is symmetric or
c --- contains NaNs or Infs.
c
c --- pass through to pipe_compare when in master/slave mode.
c
integer i,io,j,jo
logical fail
real fnan !target for huge
c
if (lpipeio) then
call pipe_compare(field,mask,what)
elseif (lsym) then
do j=1,jj
do i=1,ii
amask(i,j) = mask(i,j)
enddo
enddo
call xcaget(tmask, amask, 1)
call xcaget(field1, field, 1)
if (mnproc.eq.1) then
write (lpunit,'(2a)') 'comparing: ',what
call flush(lpunit)
fail=.false.
if (nsym.eq.-2) then !arctic
j = jtdm
jo = jtdm-1
do i=1,itdm
io = itdm-mod(i-1,itdm)
if (tmask(i,j).gt.0.0 .and.
& field1(i,j).ne.field1(io,jo)) then
write (lpunit,'(a,2i5,1p,2(a,e12.5),4x,a)')
& 'i,j=',i,j,
& ' orig :',field1(i,j),
& ' error:',field1(i,j)-field1(io,jo),what
fail=.true.
endif
enddo !i
else !standard symteries
do j=1,jtdm
do i=1,itdm
if (nsym.eq.0) then ! constant field
if (field1(i,j).ne.field1(1,1)) then
write (lpunit,'(a,2i5,1p,2(a,e12.5),4x,a)')
& 'i,j=',i,j,
& ' orig :',field1(i,j),
& ' error:',field1(i,j)-field1(1,1),what
fail=.true.
endif
elseif (nsym.eq.2) then ! constant field in j direction
if (field1(i,j).ne.field1(i,1)) then
write (lpunit,'(a,2i5,1p,2(a,e12.5),4x,a)')
& 'i,j=',i,j,
& ' orig :',field1(i,j),
& ' error:',field1(i,j)-field1(i,1),what
fail=.true.
endif
elseif (nsym.eq.1) then ! p=p.transpose
if (tmask(i,j).gt.0.0 .and.
& field1(i,j).ne.field1(j,i)) then
write (lpunit,'(a,2i5,1p,2(a,e12.5),4x,a)')
& 'i,j=',i,j,
& ' orig :',field1(i,j),
& ' error:',field1(i,j)-field1(j,i),what
fail=.true.
endif
endif
enddo !i
enddo !j
endif !nsym==-2:else
lpipe_anyfailed = lpipe_anyfailed .or. fail
if (lpipe_fatal .and. fail) then ! exit
call flush(lpunit)
call xchalt('(pipe_compare_sym1)')
stop '(pipe_compare_sym1)'
endif
endif !1st tile
call xcsync(no_flush) ! wait for 1st tile
elseif (lnan) then
if (mnproc.eq.1) then
write (lpunit,'(2a)') 'checking: ',what
call flush(lpunit)
endif !1st tile
call xcsync(flush_lp)
c --- do the NaN checking on the local tile
do j=1,jj
do i=1,ii
if (mask(i,j).gt.0) then
c-------------if (hycom_isnaninf(field(i,j))) then
if (.not.
& (field(i,j).ge.-huge(fnan) .and.
& field(i,j).le. huge(fnan) )) then
write (lpunit,'(a,a,2i5)')
& what,' (NaN): i,j=',i+i0,j+j0
endif
endif
enddo !i
enddo !j
call xcsync(flush_lp)
endif !lpipeio:sym:nan
return
end subroutine pipe_compare_sym1
subroutine pipe_compare_sym2(field_u,mask_u,what_u,
& field_v,mask_v,what_v)
implicit none
c
real, dimension (1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy),
& intent(in) :: field_u,field_v
integer, dimension (1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy),
& intent(in) :: mask_u,mask_v
character*12,
& intent(in) :: what_u,what_v
c
c --- call this routine from anywhere in the code
c --- to check whether data stored in 'field_[uv]' is symmetric or
c --- contains NaNs or Infs.
c
c --- pass through to pipe_compare when in master/slave mode.
c
integer i,io,j,jo
logical fail
c
if (lpipeio) then
call pipe_compare(field_u,mask_u,what_u)
call pipe_compare(field_v,mask_v,what_v)
elseif (lnan) then
call pipe_compare_sym1(field_u,mask_u,what_u)
call pipe_compare_sym1(field_v,mask_v,what_v)
elseif (lsym) then
do j=1,jj
do i=1,ii
amask(i,j) = mask_u(i,j)
enddo
enddo
call xcaget(tmask, amask, 1)
call xcaget(field1, field_u, 1)
call xcaget(field2, field_v, 1)
if (nsym.eq.-2) then !arctic
do j=1,jj
do i=1,ii
amask(i,j) = mask_v(i,j)
enddo
enddo
call xcaget(vmask, amask, 1)
endif
if (mnproc.eq.1) then
write (lpunit,'(4a)') 'comparing: ',what_u,' and ',what_v
call flush(lpunit)
fail=.false.
if (nsym.eq.-2) then !arctic
j = jtdm
jo = jtdm-1
do i=1,itdm
io = mod(itdm-(i-1),itdm)+1
if (tmask(i,j).gt.0.0 .and.
& field1(i,j).ne.-field1(io,jo)) then
write (lpunit,'(a,2i5,1p,2(a,e12.5),4x,a)')
& 'i,j=',i,j,
& ' orig :',field1(i,j),
& ' error:',field1(i,j)+field1(io,jo),what_u
fail=.true.
endif
enddo !i
j = jtdm
jo = jtdm
do i=1,itdm
io = itdm-mod(i-1,itdm)
if (vmask(i,j).gt.0.0 .and.
& field2(i,j).ne.-field2(io,jo)) then
write (lpunit,'(a,2i5,1p,2(a,e12.5),4x,a)')
& 'i,j=',i,j,
& ' orig :',field2(i,j),
& ' error:',field2(i,j)+field2(io,jo),what_v
fail=.true.
endif
enddo !i
else !standard symteries
do j=1,jtdm
do i=1,itdm
if (nsym.eq.0) then ! constant field
if (field1(i,j).ne.field1(1,1)) then
write (lpunit,'(a,2i5,1p,2(a,e12.5),4x,a)')
& 'i,j=',i,j,
& ' orig :',field1(i,j),
& ' error:',field1(i,j)-field1(1,1),what_u
fail=.true.
endif
if (field2(i,j).ne.field2(1,1)) then
write (lpunit,'(a,2i5,1p,2(a,e12.5),4x,a)')
& 'i,j=',i,j,
& ' orig :',field2(i,j),
& ' error:',field2(i,j)-field2(1,1),what_v
fail=.true.
endif
elseif (nsym.eq.2) then ! constant field in j direction
if (field1(i,j).ne.field1(i,1)) then
write (lpunit,'(a,2i5,1p,2(a,e12.5),4x,a)')
& 'i,j=',i,j,
& ' orig :',field1(i,j),
& ' error:',field1(i,j)-field1(i,1),what_u
fail=.true.
endif
if (field2(i,j).ne.field2(i,1)) then
write (lpunit,'(a,2i5,1p,2(a,e12.5),4x,a)')
& 'i,j=',i,j,
& ' orig :',field2(i,j),
& ' error:',field2(i,j)-field2(i,1),what_v
fail=.true.
endif
elseif (nsym.eq.1) then ! u==v.transpose
if (tmask(i,j).gt.0.0 .and.
& field1(i,j).ne.field2(j,i)) then
write (lpunit,'(a,2i5,1p,2(a,e12.5),4x,a)')
& 'i,j=',i,j,
& ' uvel :',field1(i,j),
& ' error:',field1(i,j)-field2(j,i),what_u
fail=.true.
endif
endif
enddo !i
enddo !j
endif
lpipe_anyfailed = lpipe_anyfailed .or. fail
if (lpipe_fatal .and. fail) then ! exit
call xchalt('(pipe_compare_sym2)')
stop '(pipe_compare_sym2)'
endif
endif !1st tile
call xcsync(no_flush) ! wait for 1st tile
endif !lpipeio:nan:sym
return
end subroutine pipe_compare_sym2
subroutine pipe_compare_same(fielda,fieldb,mask,what)
implicit none
c
real, dimension (1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy),
& intent(in) :: fielda,fieldb
integer, dimension (1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy),
& intent(in) :: mask
character*12,
& intent(in) :: what
c
c --- call this routine from anywhere in the code
c --- to check whether data stored in 'fielda' and 'fieldb'
c --- are identical.
c
c --- only active in PIPE_TRACER mode.
c --- typically fielda is temp and fieldb is a "temperature" tracer.
c
integer i,j
logical fail
c
if (ltracer) then
do j=1,jj
do i=1,ii
amask(i,j) = mask(i,j)
enddo
enddo
call xcaget(tmask, amask, 1)
call xcaget(field1, fielda, 1)
call xcaget(field2, fieldb, 1)
if (mnproc.eq.1) then
write (lpunit,'(2a)') 'comparing: ',what
call flush(lpunit)
fail=.false.
do j=1,jtdm
do i=1,itdm
if (tmask(i,j).gt.0.0 .and.
& field1(i,j).ne.field2(i,j)) then
write (lpunit,'(a,2i5,1p,2(a,e12.5),4x,a)')
& 'i,j=',i,j,
& ' orig :',field1(i,j),
& ' error:',field1(i,j)-field2(i,j),what
fail=.true.
endif
enddo
enddo
lpipe_anyfailed = lpipe_anyfailed .or. fail
if (lpipe_fatal .and. fail) then ! exit
call xchalt('(pipe_compare_same)')
stop '(pipe_compare_same)'
endif
endif !1st tile
call xcsync(no_flush) ! wait for 1st tile
endif !ltracer
return
end subroutine pipe_compare_same
subroutine pipe_compare_notneg(field,mask,what,field_max)
implicit none
c
real, dimension (1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy),
& intent(in) :: field
integer, dimension (1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy),
& intent(in) :: mask
character*12,
& intent(in) :: what
real,
& intent(in) :: field_max
c
c --- call this routine from anywhere in the code
c --- to check whether data stored in 'field' is non-negative.
c
c --- only active in PIPE_TRACER mode.
c --- typically field is a tracer.
c
integer i,j
logical fail
real fnan !target for huge
c
if (ltracernan) then
if (mnproc.eq.1) then
write (lpunit,'(2a)') 'checking: ',what
call flush(lpunit)
endif !1st tile
call xcsync(flush_lp)
c --- do the NaN checking on the local tile
fail=.false.
do j=1,jj
do i=1,ii
if (mask(i,j).gt.0) then
c-------------if (hycom_isnaninf(field(i,j))) then
if (.not.
& (field(i,j).ge.-huge(fnan) .and.
& field(i,j).le. huge(fnan) )) then
write (lpunit,'(a,a,2i5)')
& what,' (NaN): i,j=',i+i0,j+j0
fail=.true.
endif
endif
enddo !i
enddo !j
call xcsync(flush_lp)
lpipe_anyfailed = lpipe_anyfailed .or. fail
if (lpipe_fatal .and. fail) then ! exit
call xchalt('(pipe_compare_notneg)')
stop '(pipe_compare_notneg)'
endif
endif
c
if (ltracer) then
do j=1,jj
do i=1,ii
amask(i,j) = mask(i,j)
enddo
enddo
call xcaget(tmask, amask, 1)
call xcaget(field1, field, 1)
if (mnproc.eq.1) then
write (lpunit,'(2a)') 'comparing: ',what
call flush(lpunit)
fail=.false.
do j=1,jtdm
do i=1,itdm
if (tmask(i,j).gt.0.0) then
if (field1(i,j).lt.0.0) then
write (lpunit,'(a,2i5,1p,2(a,e12.5),4x,a)')
& 'i,j=',i,j,
& ' orig :',field1(i,j),
& ' error:',field1(i,j),what
fail=.true.
elseif (field1(i,j).gt.field_max) then
write (lpunit,'(a,2i5,1p,2(a,e12.5),4x,a)')
& 'i,j=',i,j,
& ' orig :',field1(i,j),
& ' error:',field1(i,j)-field_max,what
fail=.true.
c---------------elseif (hycom_isnaninf(field1(i,j))) then
elseif (.not.
& (field1(i,j).ge.-huge(fnan) .and.
& field1(i,j).le. huge(fnan) )) then
write (lpunit,'(a,2i5,1p,2(a,e12.5),4x,a)')
& 'i,j=',i,j,
& ' orig :',field1(i,j),
& ' error:',field1(i,j),what
fail=.true.
endif !errors
endif !tmask.gt.0
enddo
enddo
lpipe_anyfailed = lpipe_anyfailed .or. fail
if (lpipe_fatal .and. fail) then ! exit
call xchalt('(pipe_compare_notneg)')
stop '(pipe_compare_notneg)'
endif
endif !1st tile
call xcsync(no_flush) ! wait for 1st tile
endif !ltracer
return
end subroutine pipe_compare_notneg
subroutine pipe_comparall(m,n, cinfo)
use mod_cb_arrays ! HYCOM saved arrays
#if defined(STOKES)
use mod_stokes ! HYCOM Stokes drift
#endif
implicit none
c
integer, intent(in) :: m,n
character*12,
& intent(in) :: cinfo
c
c --- write out a standard menu of arrays for testing
c
logical hycom_isnaninf !function to detect NaN and Inf
c
character*99 cformat
character*12 txt1,txt2
integer i,imax,imin,j,jmax,jmin,k,ktr,l,mnp
real diso,dmax,dmin,damax,damin
real*8 tmean,smean,pmean,rmean
real*8 d1,d2,d3,d4
real r1,r2,r3,r4
real fnan !target for huge
c
real*8 tmean0,smean0,rmean0,
& tmean1,smean1,rmean1
save tmean0,smean0,rmean0,
& tmean1,smean1,rmean1
data tmean0,smean0,rmean0 / 3*0.0d0 /
c
cdiag if (mnproc.eq.1) then
cdiag write(lp,'(a,i10)') cinfo,nstep
cdiag call flush(lp)
cdiag endif
c
if (ldebugssh) then
c
c --- printout SSH in cm at point itest,jtest.
c
if (min(ittest,jttest).le.0) then
call xcstop('(pipe_comparall: debug_ssh ambiguity)')
stop '(pipe_comparall: debug_ssh ambiguity)'
endif
if (i0.lt.ittest .and. i0+ii.ge.ittest .and.
& j0.lt.jttest .and. j0+jj.ge.jttest ) then
c ssh,montg,thref*pbavg (cm)
write (lp,"(i8,i5,i5,1x,a,a,3f15.8)")
& nstep,itest+i0,jtest+j0,cinfo(1:6),':',
& (100.0/g)*srfhgt(itest,jtest),
& (100.0/g)*montg1(itest,jtest),
& (100.0/g)*srfhgt(itest,jtest)-
& (100.0/g)*montg1(itest,jtest)
endif ! ittest,jttest tile
call xcsync(flush_lp)
c
c --- check SSH for NaN, but continue even if NaN detected
c
do j=1,jj
do i=1,ii
if (ip(i,j).ne.0) then
c-------------if (hycom_isnaninf(srfhgt(i,j))) then
if (.not.
& (srfhgt(i,j).ge.-huge(fnan) .and.
& srfhgt(i,j).le. huge(fnan) )) then
write (lp,"(i8,i5,i5,1x,a,a,3f15.8)")
& nstep,i+i0,j+j0,cinfo(1:6),': NaN'
endif !hycom_isnaninf
endif !ip
enddo !i
enddo !j
call xcsync(flush_lp)
endif !ldebugssh
c
if (ldebug .and. ittest.ne.-1 .and. jttest.ne.-1) then
c
c --- printout at point itest,jtest.