[PATCH] Fix ScalarCode with expression arguments

[Richard Guenther]

This patch fixes expression arguments with (read-only) arguments
to ScalarCode.  Before this patch there were several problems with
this:
- updating of the engine state did not handle expression engines
- internal guards were not updated correctly

With fixing the above ScalarCode also gains from the previous guard
layer update optimizations.

Tested with all ScalarCode tests and Evaluator tests.

Ok?

Richard.

Btw. the test is evaluatorTest10 - patches to merge other tests are on the
way.


2004Aug18  Richard Guenther <address@hidden>

        * src/Evaluator/MultiArgEvaluator.h: handle expression engines
        in EngineWriteNotifier, pass stencil extent to SimpleIntersector.
        src/Evaluator/SimpleIntersector.h: honour stencil extent,
        recursively intersect and update expression engines.
        src/Evaluator/tests/evaluatorTest10.cpp: new.

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