20000216: color bar fix (fwd)

The code mentioned below is still applicable to 5.4.3w.

Steve Chiswell
Unidata User Support


------- Forwarded Message

>To: address@hidden
>From: Harry Edmon <address@hidden>
>Subject: gempak bug
>Organization: .
>Keywords: 200002160019.RAA01909

I would like to suggest the following patch to gempak5.4/src/gemlib/gg/ggchar.f.
The problem is a divide by zero error that Solaris just works through (it never
uses the result of the divide by zero), but Compaq Tru64 Unix gives a floating
point exception.

*** ggcbar.f.dst        Tue Apr 19 06:13:45 1994
--- ggcbar.f    Tue Feb 15 16:05:58 2000
***************
*** 102,107 ****
--- 102,108 ----
  C*    Draw the color bar
  C
        knt1 = 0
+       IF ( knt .eq. 0) RETURN
        DO i = 1, nflvl1
  C--
  C--   Commented out IF check so that the first and last values


--
Dr. Harry Edmon                 E-MAIL: address@hidden
(206) 543-0547                  FAX:    (206) 543-0308
Dept of Atmospheric Sciences
University of Washington, Box 351640, Seattle, WA 98195-1640


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