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add preprocessor simplification rule

issue#70
Houtan Bastani 2010-10-12 16:17:00 +02:00
parent 810416ebe6
commit 0782dd57e3
1 changed files with 3 additions and 1 deletions
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4
DataTree.cc
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@ -228,8 +228,10 @@ DataTree::AddDifferent(expr_t iArg1, expr_t iArg2)
expr_t
DataTree::AddPower(expr_t iArg1, expr_t iArg2)
{
if (iArg1 != Zero && iArg2 != Zero && iArg2 != One)
if (iArg1 != Zero && iArg2 != Zero && iArg1 != One && iArg2 != One)
return AddBinaryOp(iArg1, oPower, iArg2);
else if (iArg1 == One)
return One;
else if (iArg2 == One)
return iArg1;
else if (iArg2 == Zero)