DOCERR: $LARGE Not Identical to /AH with Local Arrays
ID: Q77561
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5.00 5.10 | 5.00 5.10
MS-DOS | OS/2
kbprg kbdocerr
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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
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SUMMARY
=======
Page 300 of the Microsoft FORTRAN Reference Manual says that the $LARGE
metacommand specified without array names is identical to compiling the
source module with the /AH compiler option.
The $LARGE metacommand is not equivalent to the /AH compiler option. the
$LARGE metacommand will specify the HUGE attribute on all declared arrays.
The /AH compiler option will assume that only array formal arguments will
be given the HUGE attribute, and only then the array will be assumed to
exceed 64K.
This is not an issue with FORTRAN PowerStation, because these attributes
are not supported
MORE INFORMATION
================
The following code will produce the warning "F4330: I: NEAR/FAR/HUGE
equivalence attribute conflict," illustrating that the $LARGE
metacommand is treating the local array 'I' as HUGE. Removing $LARGE
and compiling with /AH removes this error message.
Sample code
-----------
$LARGE
integer i(2),j
equivalence (i(1),j)
end
Additional reference words: 5.00 5.10
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KBSubcategory: FLIss
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Last Reviewed: July 18, 1995