Merge pull request #127 from NOAA-EMC/ejh_f90_2

converted tocgrib to F90

src/tocgrib/CMakeLists.txt

@@ -3,6 +3,7 @@
 #
 # Mark Potts, Kyle Gerheiser
 
+# Set compiler flags.
 if(CMAKE_Fortran_COMPILER_ID MATCHES "^(Intel)$")
   set(CMAKE_Fortran_FLAGS "-g -assume noold_ldout_format -axCORE-AVX2 ${CMAKE_Fortran_FLAGS}")
   set(CMAKE_Fortran_FLAGS_RELEASE "-O2 ${CMAKE_Fortran_FLAGS}")
@@ -11,12 +12,15 @@ elseif(CMAKE_Fortran_COMPILER_ID MATCHES "^(GNU)$")
   set(CMAKE_Fortran_FLAGS_RELEASE "-O2 ${CMAKE_Fortran_FLAGS}")
 endif()
 
-set(fortran_src makwmo.f mkfldsep.f tocgrib.f)
+# This is the Fortran source code.
+set(fortran_src makwmo.F90 mkfldsep.F90 tocgrib.F90)
 
+# Build the executable.
 set(exe_name tocgrib)
 add_executable(${exe_name} ${fortran_src})
 target_link_libraries(${exe_name} PRIVATE w3emc::w3emc_4 bacio::${bacio_name})
 
+# Install the utility.
 install(TARGETS ${exe_name} RUNTIME DESTINATION bin)
 
 # If doxygen documentation is enabled, build it.

src/tocgrib/makwmo.F90

@@ -0,0 +1,74 @@
+!> @file
+!> @brief Format the wmo header.
+!> @author Farley @date 84-07-06
+
+!> Forms the wmo header for a given bulletin.
+!>
+!> ### Program History Log
+!> Date | Programmer | Comments
+!> -----|------------|---------
+!> 84-07-06 | Farley | Original author
+!> 94-10-10 | R. E. Jones | changes for cray
+!> 95-10-18 | R. E. Jones | add parameter kwbx to call
+!> 98-06-16 | Gilbert | Changed argument list to pass in day and hour instead of the old O.N. 84 date word.
+!> 2003-03-28 | Gilbert | Removed equivalences.
+!>
+!> @param[in] bulhed ttaaii bulletin header ft10
+!> @param[in] iday day of month
+!> @param[in] ihour hour of day.
+!> @param[in] kwbx 4 characters (kwbc to kwbq)
+!> @param[out] header complete wmo header in ascii
+!>
+!> @author Farley @date 84-07-06
+SUBROUTINE MAKWMO (BULHED,IDAY,IHOUR,KWBX,HEADER)
+  !
+  CHARACTER * 6 BULHED
+  CHARACTER * 1 HEADER (*)
+  CHARACTER * 1 WMOHDR (21)
+  CHARACTER * 4 KWBX
+  CHARACTER * 2 CTEMP
+  !$            1.     CREATE WMO HEADER.
+  !$            1.1    CONVERT BULHED FROM EBCDIC TO ASCII.
+  !     WRITE (6,FMT='('' MADE IT TO MAKWMO'')')
+  !
+  DO I = 1,6
+     WMOHDR(I) = BULHED(I:I)
+  END DO
+  WMOHDR(7)=char(32)    !  ASCII BLANK
+  !
+  !     MOVE KWBX INTO WMO HEADER
+  !
+  DO I = 1,4
+     WMOHDR(I+7) = KWBX(I:I)
+  END DO
+  WMOHDR(12)=char(32)    !  ASCII BLANK
+  !
+  !$            1.2    PICK OFF THE DAY OF MONTH (YY)
+  !$                   AND CONVERT TO ASCII.
+  !
+  write(ctemp,fmt='(I2.2)') IDAY
+  WMOHDR(13)=ctemp(1:1)
+  WMOHDR(14)=ctemp(2:2)
+  !
+  !$            1.3    PICK OFF THE HOUR(GG) AND CONVERT TO ASCII.
+  !
+  write(ctemp,fmt='(I2.2)') IHOUR
+  WMOHDR(15)=ctemp(1:1)
+  WMOHDR(16)=ctemp(2:2)
+  !
+  !             1.4    FIL IN REST OF HEADER
+  !
+  WMOHDR(17)=char(48)    !  ASCII "0"
+  WMOHDR(18)=char(48)    !  ASCII "0"
+  WMOHDR(19)=char(13)    !  ASCII CR = '\r'
+  WMOHDR(20)=char(13)    !  ASCII CR = '\r'
+  WMOHDR(21)=char(10)    !  ASCII LF = '\n'
+  !
+  !$            2.     MOVE WMOHDR TO OUTPUT FIELD.
+  !
+  DO I = 1,21
+     HEADER(I) = WMOHDR(I)
+  end do
+     !
+  RETURN
+END SUBROUTINE MAKWMO

src/tocgrib/mkfldsep.f → src/tocgrib/mkfldsep.F90

@@ -53,44 +53,44 @@
 !> @param[out] lenout Integer length of the flag field separator block.
 !>
 !> @author Gilbert @date 2002-09-16      
-      subroutine mkfldsep(csep,iopt,lenin,lenbull,lenout)
-!
-      character*(*),intent(out) :: csep
-      integer,intent(in) :: iopt,lenin,lenbull
-      integer,intent(out) :: lenout
-!
-      character(len=4),parameter :: cstar='****',clb='####'
-!
-      if (iopt.eq.1) then
-         if ( lenin .le. 18 .and. lenbull .le. 999999 ) then 
-                                      ! Create OPTION 1 separator block
-            csep(1:4)=clb
-            csep(5:7)='018'
-            write(csep(8:13),fmt='(I6.6)') lenbull
-            csep(14:17)=clb
-            csep(18:18)=char(10)
-            lenout=18
-         else                         ! Create OPTION 1a separator block
-            nnn=lenin
-            if ( nnn.lt.23 ) nnn=23
-            csep(1:4)=clb
-            write(csep(5:7),fmt='(I3.3)') nnn
-            write(csep(8:18),fmt='(I11.11)') lenbull
-            csep(19:nnn-5)='0'
-            csep(nnn-4:nnn-1)=clb
-            csep(nnn:nnn)=char(10)
-            lenout=nnn
-         endif
-      elseif (iopt.eq.2) then         !  Create OPTION 2 separator block
-         csep(1:4)=cstar
-         write(csep(5:14),fmt='(I10.10)') lenbull
-         csep(15:18)=cstar
-         csep(19:19)=char(10)
-         lenout=19
-      else
-         print *,"mkfldsep: Option ",iopt," not recognized."
-         csep(1:lenin)=' '
-      endif
-!
-      return
-      end
+subroutine mkfldsep(csep,iopt,lenin,lenbull,lenout)
+  !
+  character*(*),intent(out) :: csep
+  integer,intent(in) :: iopt,lenin,lenbull
+  integer,intent(out) :: lenout
+  !
+  character(len=4),parameter :: cstar='****',clb='####'
+  !
+  if (iopt.eq.1) then
+     if ( lenin .le. 18 .and. lenbull .le. 999999 ) then 
+        ! Create OPTION 1 separator block
+        csep(1:4)=clb
+        csep(5:7)='018'
+        write(csep(8:13),fmt='(I6.6)') lenbull
+        csep(14:17)=clb
+        csep(18:18)=char(10)
+        lenout=18
+     else                         ! Create OPTION 1a separator block
+        nnn=lenin
+        if ( nnn.lt.23 ) nnn=23
+        csep(1:4)=clb
+        write(csep(5:7),fmt='(I3.3)') nnn
+        write(csep(8:18),fmt='(I11.11)') lenbull
+        csep(19:nnn-5)='0'
+        csep(nnn-4:nnn-1)=clb
+        csep(nnn:nnn)=char(10)
+        lenout=nnn
+     endif
+  elseif (iopt.eq.2) then         !  Create OPTION 2 separator block
+     csep(1:4)=cstar
+     write(csep(5:14),fmt='(I10.10)') lenbull
+     csep(15:18)=cstar
+     csep(19:19)=char(10)
+     lenout=19
+  else
+     print *,"mkfldsep: Option ",iopt," not recognized."
+     csep(1:lenin)=' '
+  endif
+  !
+  return
+end subroutine mkfldsep