sensible handling of map==0
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@ -373,7 +373,10 @@ double PFunction::EvalNode(PFuncTreeNode &node)
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} else if (node.fID == PFunctionGrammar::parameterID) {
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return fParam[node.fIvalue-1];
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} else if (node.fID == PFunctionGrammar::mapID) {
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return fParam[fMap[node.fIvalue-1]-1];
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if (fMap[node.fIvalue-1] == 0) // map == 0
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return 0.0;
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else
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return fParam[fMap[node.fIvalue-1]-1];
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} else if (node.fID == PFunctionGrammar::functionID) {
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if (node.fFunctionTag == FUN_COS) {
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return cos(EvalNode(node.children[0]));
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