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libstd_nc.ftn
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c
c Librairies des substituts aux sous-routines RPN de rmnxlib
c
subroutine gdadgd(d, s1, s2, fm1, fm2, ni, nj, cut)
implicit none
integer ni, nj, cut
real d(ni,nj), s1(ni,nj), s2(ni,nj)
real fm1, fm2
integer i, j
do j = (1+cut), (nj-cut)
do i = (1+cut), (ni-cut)
d(i,j) = fm1 * s1(i,j) + fm2 * s2(i,j)
enddo
enddo
return
end
c*************************************************
subroutine gdmpgd(d, s1, s2, fm, ni, nj, cut)
implicit none
integer ni, nj, cut
real d(ni,nj), s1(ni,nj), s2(ni,nj)
real fm
integer i, j
do j = (1+cut), (nj-cut)
do i = (1+cut), (ni-cut)
d(i,j) = fm * s1(i,j) * s2(i,j)
enddo
enddo
return
end
c*************************************************
subroutine gdadcn(d, s, cn, ni, nj, cut)
implicit none
integer ni, nj, cut
real d(ni,nj), s(ni,nj)
real cn
integer i, j
do j = (1+cut), (nj-cut)
do i = (1+cut), (ni-cut)
d(i,j) = cn + s(i,j)
enddo
enddo
return
end
c*************************************************
subroutine gdmpcn(d, s, cn, ni, nj, cut)
implicit none
integer ni, nj, cut
real d(ni,nj), s(ni,nj)
real cn
integer i, j
do j = (1+cut), (nj-cut)
do i = (1+cut), (ni-cut)
d(i,j) = cn * s(i,j)
enddo
enddo
return
end
c*************************************************
subroutine gddvgd(d, s1, s2, fm, ni, nj, cut)
implicit none
integer ni, nj, cut
real d(ni,nj), s1(ni,nj), s2(ni,nj)
real fm
integer i, j
do j = (1+cut), (nj-cut)
do i = (1+cut), (ni-cut)
if (s2(i,j).ne.0.0) then
d(i,j) = fm * s1(i,j) / s2(i,j)
else
d(i,j) = 0.0
endif
enddo
enddo
return
end
c*************************************************
subroutine gdsqrt(d, s, fm, ni, nj, cut)
implicit none
integer ni, nj, cut
real d(ni,nj), s(ni,nj)
real fm
integer i, j
do j = (1+cut), (nj-cut)
do i = (1+cut), (ni-cut)
d(i,j) = fm * sqrt(s(i,j))
enddo
enddo
return
end
c*
c**********************************************************************
subroutine coriol(co, d60, pi, pj, ni, nj)
implicit none
integer ni, nj
real co(ni, nj), d60, pi, pj
*notes - sin(lat) = (re2-r2) / (re2+r2)
* - re = (earth radius) * (1+sin(60))/d60
* - mean earth radius = 6371 km.
* - cf = 2.0 * omega
real re, re2, r2
real x, y, y2, cf
integer i, j
cf = 1.458e-4
re = 1.866025 * 6.371e6 / d60
re2 = re*re
do j = 1, nj
y = float(j) - pj
y2 = y * y
do i = 1, ni
x = float(i) - pi
r2 = x * x + y2
co(i,j) = cf * (re2-r2) / (re2+r2)
enddo
enddo
return
end
c*
c**********************************************************************
subroutine ccard(cles, def, val, ncles, npos)
implicit none
c* Subroutine to process arguments to a fortran program
c* This only works if iargc() and getarg are available...
c*
c* Maximum 100 keys and arguments
c*
c* No distinction between upper and lower case
c*
integer max_n
parameter (max_n = 100)
integer ncles, npos
character*(*) cles(ncles), def(ncles), val(ncles)
character*1024 cle_up(max_n)
integer argc, arg_num, count, iargc, keynum, keynum2, noval
character*1024 argv(max_n), argp, clep, clep2
integer dummy_len
character*1024 dummy
integer real_len
c* Get number of arguments
argc = iargc()
c* Process all arguments
arg_num = 1
do while (arg_num.le.argc)
c* Get argument in argv
call getarg(arg_num, argv(arg_num))
c* Put arg uppercase if a key
do keynum = 1, ncles
clep = cles(keynum)
dummy_len = real_len(clep)
if (clep(dummy_len:dummy_len).eq.'.') then
clep(dummy_len:dummy_len) = ' '
endif
argp = argv(arg_num)
if (argp(1:1).eq.'-') then
if (argp(2:real_len(argp)).eq.clep) then
call caseup(argv(arg_num), argv(arg_num))
endif
endif
enddo
arg_num = arg_num + 1
enddo
c* Parse all keys
do keynum=1,ncles
c* Put all keys uppercase
cle_up(keynum) = ''
call caseup(cle_up(keynum), cles(keynum))
enddo
c* Parse all args
arg_num = 1
do while (arg_num.le.argc)
if ((argv(arg_num).eq.'-H').or.(argv(arg_num).eq.'-HELP').or.
$ (argv(arg_num).eq.'-h').or.(argv(arg_num).eq.'-help'))
$ then
c* Write help if help key is there, and stop
call write_help(cles, def, ncles)
stop
else
c* Parse all keys
keynum = 1
do while (keynum.le.ncles)
c* If arg is a key
clep = cle_up(keynum)
dummy_len = real_len(clep)
if (clep(dummy_len:dummy_len).eq.'.') then
clep(dummy_len:dummy_len) = ' '
endif
argp = argv(arg_num)
if (argp(2:real_len(argp)).eq.clep) then
dummy = ''
c* If there is an arg following the current one
if ( (arg_num+1).le.argc) then
c* Read next arg
dummy = argv(arg_num+1)
dummy_len = real_len(dummy)
if (dummy(dummy_len:dummy_len).eq.'.') then
dummy(dummy_len:dummy_len) = ' '
endif
noval = 0
c* Parse all keys to see if next arg is a key or not
c* If a key, there is no value associated with current key
do keynum2 = 1, ncles
if (dummy(2:dummy_len).eq.cle_up(keynum2))
$ then
noval = 1
endif
enddo
c* If a value is associated with the current key, put val to user's value
if (noval.eq.0) then
val(keynum) = dummy
arg_num = arg_num + 1
else
c* If no value is associated with the current key, put val to def
val(keynum) = def(keynum)
endif
else
c* Last arg, so no value for that key => we put def
val(keynum) = def(keynum)
endif
c* End loop
keynum = ncles + 1
else
c* Check next key
keynum = keynum + 1
endif
enddo
endif
arg_num = arg_num + 1
enddo
end
c****************************************************
subroutine caseup(cle_out, cle_in)
implicit none
c* Convert from lowercase to uppercase all chars
integer len_key, ch, ascii_num, real_len
integer ichar
character *(*) cle_out, cle_in
len_key = real_len(cle_in)
do ch=1,len_key
ascii_num = ichar(cle_in(ch:ch))
if ( (ascii_num.ge.97).and.(ascii_num.le.122)) then
cle_out(ch:ch) = char(ichar(cle_in(ch:ch)) - 32)
else
cle_out(ch:ch) = cle_in(ch:ch)
endif
enddo
return
end
c****************************************************
subroutine write_help(cles, def, ncles)
implicit none
c* Subroutine to show help message
integer ncles, count, len, real_len
character*(*) cles(ncles), def(ncles)
character*1024 temp, temp2
print*
print*
print*,'Call arguments :'
print*
do count=1,ncles
temp = cles(count)
temp2 = def(count)
len = real_len(temp)
if (temp(len:len).eq.'.') then
temp(len:len) = ' '
len = len - 1
endif
write(*,10000) '-'//temp(1:len), temp2(1:real_len(temp2))
10000 format(a20,1x,'default = ',a)
enddo
print*
return
end
integer function find_next(ligne, i, ch)
implicit none
character*(*) ligne
character*1 ch
integer i, real_len, len
len = real_len(ligne)
do while ((ligne(i:i).ne.ch).and.(i.le.len))
i = i + 1
enddo
if (i.le.len) then
find_next = i
else
find_next = -1
endif
return
end
integer function find_2next(ligne, i, ch)
implicit none
character*(*) ligne
character*1 ch
integer i, real_len, len
len = real_len(ligne)
do while ((ligne(i:i).ne.ch).and.(i.lt.len))
i = i + 1
enddo
i = i + 1
do while ((ligne(i:i).ne.ch).and.(i.lt.len))
i = i + 1
enddo
if (i.lt.len) then
find_2next = i
else
find_2next = -1
endif
return
end
character*(*) function getchar(ligne, i1, i2)
implicit none
character*(*) ligne
integer i1, i2, i3, i, real_len, len
len = real_len(ligne)
i = i1
do while (ligne(i:i).eq." ")
i = i + 1
enddo
if (ligne(i:i).eq."'") then
i = i + 1
i3 = i2 - 1
else
i3 = i2
endif
read(ligne(i:i3),'(a)') getchar
return
end
subroutine banner_debut(pgm, ver)
implicit none
character*50 pgm
character*10 ver
integer time, clock, clock_time
character*24 ctime, date
real clock_start
common /clock/ clock_start
save /clock/
#ifdef sgi
clock_time = 0
#else
#ifdef Linux
clock_time = 0
#else
call cpu_time(clock_start)
#endif
#endif
date = ctime(time())
print*,'1'
write(*, 60) pgm, ver, date
60 format(' *******************************************************
$*************************************'/
$ 3x,'*',90x,'*'/,3x,'*',10x,a50,16x,'V',a10,3x,'*'/,
$ 3x,'*',90x,'*'/,3x,'*',90x,'*'/,
$ 3x,'*',10x,a24,26x,26x,4x,'*'/,
$ 3x,'*',90x,'*'/,3x,'*',10x,'BEGIN EXECUTION',
$ 65x,'*'/,3x,'*',90x,'*'/,' ********************************
$************************************************************'/)
return
end
subroutine banner_fin(pgm, status)
implicit none
character*50 pgm
character*10 status
integer time, clock, clock_time
real clktime, clock_finish
character*24 ctime, date
real clock_start
common /clock/ clock_start
save /clock/
#ifdef sgi
clock_time = 0
clktime = float(clock_time) / float(1000000)
#else
#ifdef Linux
clock_time = 0
clktime = float(clock_time) / float(1000000)
#else
call cpu_time(clock_finish)
clktime = clock_finish - clock_start
#endif
#endif
date = ctime(time())
write(*, '(a1)') '1'
write(*, 60) pgm, status, date, clktime
60 format(' *******************************************************
$*************************************'/
$ 3x,'*',90x,'*'/,3x,'*',10x,a50,16x,1x,a10,3x,'*'/,
$ 3x,'*',90x,'*'/,
$ 3x,'*',10x,a24,26x,26x,4x,'*'/,
$ 3x,'*',90x,'*'/,3x,'*',10x,'END EXECUTION ',
$ 65x,'*'/,3x,'*',90x,'*'/,3x,'*',10x,'CP SECS = ',f10.3,
$ 60x,'*'/,3x,'*',90x,'*'/,' ********************************
$************************************************************'/)
return
end
subroutine qqexit(status)
implicit none
integer status
call exit(status)
return
end
************************************************************************
c
c Librairies I/O NETCDF
c
************************************************************************
c
c***********************************************************************
c---- Fonction GDLL ---
c***********************************************************************
integer function gdll(lat, lon, latname, lonname,
$ iun, varid, ni, nj)
implicit none
! ----------------------------------------------------------
! Ecrite par Christian Page -
! Juillet 2017 -
! GLOBC -
! CERFACS -
! ----------------------------------------------------------
include 'netcdf.inc'
integer ier
integer ni, nj
integer varid, iun
integer ndims
integer i, j
logical wrap
integer dimids(NF_MAX_VAR_DIMS), xtype
integer latid, lonid
character*(NF_MAX_NAME) latname, lonname
real lat(ni,nj), lon(ni,nj)
real, dimension (:), allocatable :: lat1d
real, dimension (:), allocatable :: lon1d
real*8, dimension (:), allocatable :: lat1dd
real*8, dimension (:), allocatable :: lon1dd
character*256 strerr
ier = nf_inq_varndims(iun, varid, ndims)
if (ier .ne. nf_noerr) then
write(strerr,*) 'gdll: Cannot inquire variable number of dimensions. Input file ID:',iun
call handle_err(ier,strerr)
endif
if (ndims .ne. 3) then
print*
print*,'gdll: Critical Problem: coordinate number of dimensions is not 3: ', ndims
print*
gdll = -1
return
endif
c
c Expected dimensions order with ncdump: float psl(time, lat, lon) !!is reversed!! in fortran
c
ier = nf_inq_vardimid(iun, varid, dimids)
if (ier .ne. nf_noerr) then
write(strerr,*) 'gdll: Cannot inquire variable dimension ID. Input file ID:',iun,
$ ' Variable ID:',varid
call handle_err(ier,strerr)
endif
ier = nf_inq_dimname(iun, dimids(2), latname)
if (ier .ne. nf_noerr) then
write(strerr,*) 'gdll: Cannot inquire dimension name. Input file ID:',iun,
$ ' Dimension ID:',dimids(2)
call handle_err(ier,strerr)
endif
ier = nf_inq_varid(iun, latname, latid)
if (ier .ne. nf_noerr) then
write(strerr,*) 'gdll: Cannot inquire dimension variable ID. Input file ID:',iun,
$ ' Dimension variable name:',latname
call handle_err(ier,strerr)
endif
ier = nf_inq_vartype(iun, latid, xtype)
if (ier .ne. nf_noerr) then
write(strerr,*) 'gdll: Cannot inquire variable type. Input file ID:',iun,
$ ' Variable ID:',latid
call handle_err(ier,strerr)
endif
if (xtype .eq. NF_FLOAT) then
allocate ( lat1d(nj) )
ier = nf_get_var_real(iun, latid, lat1d)
if (ier .ne. nf_noerr) then
write(strerr,*) 'gdll: Cannot read variable dimension. Input file ID:',iun,
$ ' Variable: latitude'
call handle_err(ier,strerr)
endif
do j=1,nj
do i=1,ni
lat(i,j) = lat1d(j)
enddo
enddo
deallocate( lat1d )
else if (xtype .eq. NF_DOUBLE) then
allocate ( lat1dd(nj) )
ier = nf_get_var_double(iun, latid, lat1dd)
if (ier .ne. nf_noerr) then
write(strerr,*) 'gdll: Cannot read variable dimension. Input file ID:',iun,
$ ' Variable: latitude'
call handle_err(ier,strerr)
endif
do j=1,nj
do i=1,ni
lat(i,j) = real(lat1dd(j))
enddo
enddo
deallocate( lat1dd )
else
write(strerr,*) 'gdll: variable type is not float or double. Input file ID:',iun,
$ ' Variable: latitude'
endif
print*, 'gdll: READ latitude successful'
ier = nf_inq_dimname(iun, dimids(1), lonname)
if (ier .ne. nf_noerr) then
write(strerr,*) 'gdll: Cannot inquire dimension name. Input file ID:',iun,
$ ' Dimension ID:',dimids(1)
call handle_err(ier,strerr)
endif
ier = nf_inq_varid(iun, lonname, lonid)
if (ier .ne. nf_noerr) then
write(strerr,*) 'gdll: Cannot inquire dimension variable ID. Input file ID:',iun,
$ ' Dimension variable name:',lonname
call handle_err(ier,strerr)
endif
ier = nf_inq_vartype(iun, lonid, xtype)
if (ier .ne. nf_noerr) then
write(strerr,*) 'gdll: Cannot inquire variable type. Input file ID:',iun,
$ ' Variable ID:',lonid
call handle_err(ier,strerr)
endif
if (xtype .eq. NF_FLOAT) then
allocate ( lon1d(ni) )
ier = nf_get_var_real(iun, lonid, lon1d)
if (ier .ne. nf_noerr) then
write(strerr,*) 'gdll: Cannot read variable dimension. Input file ID:',iun,
$ ' Variable: longitude'
call handle_err(ier,strerr)
endif
do j=1,nj
do i=1,ni
lon(i,j) = lon1d(i)
enddo
enddo
deallocate( lon1d )
else if (xtype .eq. NF_DOUBLE) then
allocate ( lon1dd(ni*ni*ni) )
ier = nf_get_var_double(iun, lonid, lon1dd)
if (ier .ne. nf_noerr) then
write(strerr,*) 'gdll: Cannot read variable dimension. Input file ID:',iun,
$ ' Variable: longitude'
call handle_err(ier,strerr)
endif
do j=1,nj
do i=1,ni
lon(i,j) = real(lon1dd(i))
enddo
enddo
deallocate( lon1dd )
else
write(strerr,*) 'gdll: variable type is not float or double. Input file ID:',iun,
$ ' Variable: longitude'
endif
print*, 'gdll: READ longitude successful'
c Wrap longitudes to positive (no negative values) if the 0 deg is within the domain.
wrap = .false.
do j=1,nj
do i=1,ni
c If we have non-increasing longitudes, we assume we have 359 then 0.
if (lon(i,j).lt.0.0) then
wrap = .true.
exit
endif
enddo
enddo
if (wrap .eqv. .true.) then
c If longitude is greater than last one, must wrap it by 360 deg.
do j=1,nj
do i=1,ni
if (lon(i,j).lt.0.0) then
lon(i,j) = lon(i,j) + 360.0
endif
enddo
enddo
endif
gdll = 0
return
end
c***********************************************************************
c---- Fonction GDLLFXY ---
c***********************************************************************
integer function gdllfxy(slat, slon, x, y, lat, lon, ni, nj)
implicit none
! ----------------------------------------------------------
! Ecrite par Christian Page -
! Juillet 2017 -
! GLOBC -
! CERFACS -
! ----------------------------------------------------------
integer ni, nj
real x, y
real slat, slon
real lat(ni,nj), lon(ni, nj)
real dlat, dlon, latsw, lonsw
integer i, j
dlon = lon(2,1) - lon(1,1)
lonsw = lon(1,1)
dlat = lat(1,2) - lat(1,1)
latsw = lat(1,1)
slon = (x-1.0)*dlon+lonsw
slon = mod((slon + 360.0), 360.0)
slat = (y-1.0)*dlat+latsw
gdllfxy = 0
return
end
c***********************************************************************
c---- Fonction GDXYFLL ---
c***********************************************************************
integer function gdxyfll(x, y, slat, slon, lat, lon, ni, nj)
implicit none
! ----------------------------------------------------------
! Ecrite par Christian Page -
! Juillet 2017 -
! GLOBC -
! CERFACS -
! ----------------------------------------------------------
integer ni, nj
real x, y
real slat, slon
real lat(ni,nj), lon(ni, nj)
real dlat, dlon, latsw, lonsw
if (slon.lt.lon(1,1)) then
slon = slon + 360.0
endif
if (slon.gt.lon(ni,1)) then
slon = slon - 360.0
endif
dlon = lon(2,1) - lon(1,1)
lonsw = lon(1,1)
dlat = lat(1,2) - lat(1,1)
latsw = lat(1,1)
x = (dlon - lonsw)/dlon + 1.0
y = (dlat - latsw)/dlat + 1.0
gdxyfll = 0
return
end
c***********************************************************************
c---- Fonction GDLLSVAL ---
c***********************************************************************
integer function gdllsval(zout, zin, xlat, xlon, lat, lon,
$ ni, nj)
implicit none
! ----------------------------------------------------------
! Ecrite par Christian Page -
! Juillet 2017 -
! GLOBC -
! CERFACS -
! ----------------------------------------------------------
integer ni, nj
real xlat, xlon
real zout
real zin(ni,nj)
real lat(ni,nj), lon(ni, nj)
real x, y
integer ier
integer gdxyfll, gdxysval
ier = gdxyfll(x, y, xlat, xlon, lat, lon, ni, nj)
ier = gdxysval(zout, zin, x, y, ni, nj)
gdllsval = 0
return
end
c***********************************************************************
c---- Fonction GDXYSVAL ---
c***********************************************************************
integer function gdxysval(zout, zin, x, y, ni, nj)
implicit none
! ----------------------------------------------------------
! Ecrite par Christian Page -
! Juillet 2017 -
! GLOBC -
! CERFACS -
! ----------------------------------------------------------
integer ni, nj
real x, y
real zout
real zin(ni,nj)
integer ier
real zlin
real*8 dx, dy, y2, y3
integer i, j
i = min(ni-1,max(1,ifix(x)))
j = min(nj-1,max(1,ifix(y)))
dx = x - float(i)
dy = y - float(j)
y2 = zlin(dble(zin(i,j )),dble(zin(i+1,j )),dx)
y3 = zlin(dble(zin(i,j+1)),dble(zin(i+1,j+1)),dx)
zout = zlin(y2,y3,dy)
gdxysval = 0
return
end
c***********************************************************************
c---- Fonction ZLIN ---
c***********************************************************************
real function zlin(zz1, zz2, zdx)
implicit none
! ----------------------------------------------------------
! Ecrite par Christian Page -
! Juillet 2017 -
! GLOBC -
! CERFACS -
! ----------------------------------------------------------
real*8 zz1, zz2, zdx
zlin = zz1 + (zz2 - zz1) * zdx
return
end