get rid of SourceType Zero, replace with integer 0

ghorn / dvda

(deprecated) Symbolic expressions and algorithmic differentiation in Haskell.

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Closed ghorn closed 12 years ago

ghorn commented 12 years ago

The simplification pruneZeros can work on integer 0 just as well as Zero. This will make other simplifications easier as well.

ghorn commented 12 years ago

implemented in b8048aaf5985c7175388cbd6181270b2132f1f42