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  • #1235

Closed
Open
Created Jan 18, 2012 by Robert Bernecky@rbeDeveloper

Livermore Loop 03,12,07 LACFUNs need AVIS_MIN and AVIS_MAX for AWLF

Bugzilla Link 905
Created on Jan 18, 2012 21:26
Version svn
OS Linux
Architecture PC

Extended Description

A number of the Livermore Loops and, presumably, lots of other codes,
fail to handle AWLF properly. Here is one reason why:
drop( [i], vec) - drop( [-i], vec) 
   This does not AWLF, because the drop() code is unable to ensure that:
   G1:      (i <= shape(vec)[0]) && ( (-i) <= shape(vec)[0])
   I see two ways around this: 
    A. Introduce AVIS_MIN and AVIS_MAX into LACFUN headers, a la AVIS_DIM.
       This will catch some of the failures, when the drop() code is
       within a LACFUN, and vec is defined without an intervening
       user-defined fun (which would lose AVIS_MIN). 
    B. Introduce guards into stdlib code to handle G1. This would work
       in many circumstances, and would be CF'd out of existence in
       case A.
I am going to beat up on IVEXI and make it do the job, unless
ISAA can be make to do it.
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