imageworks/OpenShadingLanguage — pull request #261 by lgritz (2013-06-11 20:07:08+00:00)
Title: Improvement to oslc function type checking

Improvement to oslc function type checking -- allow more nuanced matching
of return types. First we check for identical return types, then we test
allowing non-identical spatial triples to match, then finally we allow
any return type to match.