FIX: Concatenation of Substring in IF Statement

 Last reviewed: September 11, 1997
Article ID: Q68223
5.00 5.10 | 5.00 5.10 
MS-DOS    | OS/2
kbtool kbfixlist kbbuglist

The information in this article applies to:

  • Microsoft FORTRAN for MS-DOS, versions 5.0 and 5.1
  • Microsoft FORTRAN for OS/2, versions 5.0 and 5.1

SYMPTOMS

The code example below causes a Protection Violation when run under OS/2 and bad results when run under MS-DOS. Under MS-DOS, it prints 

   NO
   YES
instead of printing 

   YES
   YES

STATUS

Microsoft has confirmed this to be a bug in the products listed above. This problem was corrected in FORTRAN PowerStation, version 1.0.

MORE INFORMATION

The following sample code can be used to demonstrate the problem.

Sample code

      character*2 r/'AA'/
      n=0
c 
      if ('BBB'.gt.r(1:n+2)//'A') then
         write (*,*) 'YES'
      else
         write (*,*) 'NO'
      endif
c 
      if ('BBB'.gt.r(1:2)//'A') then
         write (*,*) 'YES'
      else
         write (*,*) 'NO'
      endif
      end

Additional reference words: 5.00 5.10 buglist5.00 buglist5.10 fixlist1.00
KBCategory: kbtool kbfixlist kbbuglist
KBSubCategory: FLIss
Solution Type : kbfix

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Last reviewed: September 11, 1997
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