Added an optimization

df51e651 · Peter Eastman · b91c396b · df51e651
Commit df51e651 authored Oct 30, 2009 by Peter Eastman
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libraries/lepton/src/ParsedExpression.cpp libraries/lepton/src/ParsedExpression.cpp +5 -0

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--- a/libraries/lepton/src/ParsedExpression.cpp
+++ b/libraries/lepton/src/ParsedExpression.cpp
@@ -203,6 +203,11 @@ ExpressionTreeNode ParsedExpression::substituteSimplerExpression(const Expressio
                return ExpressionTreeNode(new Operation::MultiplyConstant(-dynamic_cast<const Operation::MultiplyConstant*>(&children[0].getOperation())->getValue()), children[0].getChildren()[0]);
            break;
        }
+        case Operation::MULTIPLY_CONSTANT:
+        {
+            if (children[0].getOperation().getId() == Operation::MULTIPLY_CONSTANT) // Combine two multiplies into a single one
+                return ExpressionTreeNode(new Operation::MultiplyConstant(dynamic_cast<const Operation::MultiplyConstant*>(&node.getOperation())->getValue()*dynamic_cast<const Operation::MultiplyConstant*>(&children[0].getOperation())->getValue()), children[0].getChildren()[0]);
+        }
    }
    return ExpressionTreeNode(node.getOperation().clone(), children);
 }