BUG: Sample Code for GRDEMO Contains Errors

Last reviewed: July 12, 1995
Article ID: Q106633

The information in this article applies to:

Microsoft FORTRAN PowerStation for MS-DOS, version 1.0 and 1.0a

SYMPTOMS

Compiling GRDEMO.FOR with extended error handling ($DEBUG or /4Yb) generates the following error:

   GRDEMO.FOR(449) : error F2536: S : subscript 7 out of range

The default directory for the GRDEMO program is:

   \F32\SAMPLES\GRAPHICS\DEMO

CAUSE

Subroutine "MonitorWarning" declares a local array S as:

   CHARACTER*60 S(6)

However, the corresponding DATA statement initializes seven elements.

There is also an error in the main program where variable iModesCur is set to 0 (zero) and then used to access an array.

RESOLUTION

On line 247, change

   iModesCur = 0

to the following:

   iModesCur = 1

On line 439, change

   CHARACTER*60 s(6)

to the following:

   CHARACTER*60 s(7)

STATUS

Microsoft has confirmed this to be a problem in FORTRAN PowerStation version 1.0 and 1.0a for MS-DOS.

This example does not exist in FORTRAN PowerStation 32.

Additional reference words: 1.00 1.00a
KBCategory: kbprg kbbuglist
KBSubcategory: FORTLngIss

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Last reviewed: July 12, 1995
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