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20010711: ghwgrf.f



In ghwgrf.f, The variable "i" is being referred to in the following
section, while it has never been defined:

            IF  ( ( prmtyp .eq. 'R' ) .or. ( prmtyp .eq. 'G' ) )
     +                                                          THEN
                realpm = .true.
                IF  ( iloc1 .eq. 0 )  THEN
                    iloc1 = i
                    iloc2 = i
                  ELSE IF  ( iloc1 .eq. i - 1 )  THEN
                    iloc2 = i
                END IF
            END IF
etc.

This leads to the following compilation warning:

f90: Warning: ghwgrf.f, line 81: Variable I is used before its value has been
defined
                  ELSE IF  ( iloc1 .eq. i - 1 )  THEN

with i=0 autoinitialized, this may be bogus.

The code is modified from the SFXGRF routine which has a do i=1,4 loop,
but that has been removed in GH_WGRF. So presumably this whole section of code
could be removed since iloc1 is not variable.

Steve Chiswell
Unidata User Support