From 5d618cc8affb959ac64f9cf502dbddf53fb5e7c5 Mon Sep 17 00:00:00 2001
From: Adrian Kummerländer
Date: Sat, 10 Mar 2012 19:14:27 +0100
Subject: Moved static_cast needed for accessing the specific solve methods of
 the two derivatives of Node into a template function

---
 tree.cpp | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

(limited to 'tree.cpp')

diff --git a/tree.cpp b/tree.cpp
index ee45e57..340685f 100644
--- a/tree.cpp
+++ b/tree.cpp
@@ -1,21 +1,24 @@
 #include "tree.h"
-#include <math.h>
 
 Node::Node()
 {
 
 }
 
+template <class T> 
+double Node::castSolve (Node *node) {
+	T *tmp = static_cast<T*>( node );
+	return tmp->solve();
+}
+
 double Node::solve()
 {
 	switch (this->type) {
 		case OPERAND_NODE: {
-			OperandNode *tmp = static_cast<OperandNode*>( this );
-			return tmp->solve();
+			return this->castSolve<OperandNode>( this );
 		}
 		case OPERATOR_NODE: {
-			OperatorNode *tmp = static_cast<OperatorNode*>( this );
-			return tmp->solve();
+			return this->castSolve<OperatorNode>( this );
 		}
 	}
 }
-- 
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