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Expression evaluation with mixed precisions (etc)

We've previously discussed licensing of optimization to deal with mixed precisions: What should the license allow, and what makes sense?

How much work is it to implement various policies? The issue may be top-down vs bottom up domain inference; widening / coercing downward. The traditional compiler dichotomy for this is Inherited attributes vs. Synthesized attributes.





Richard J. Fateman
Thu Aug 13 21:54:23 PDT 1998