From: trevor_hansen <trevor_hansen@e59a4935-1847-0410-ae03-e826735625c1>
Date: Tue, 26 Apr 2011 23:56:29 +0000 (+0000)
Subject: Two extra simplification rules.
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=5ef8977acb0e7baed53c75a6e95059ee4ab502bf;p=francis%2Fstp.git

Two extra simplification rules.

git-svn-id: https://stp-fast-prover.svn.sourceforge.net/svnroot/stp-fast-prover/trunk/stp@1282 e59a4935-1847-0410-ae03-e826735625c1
---

diff --git a/src/AST/NodeFactory/SimplifyingNodeFactory.cpp b/src/AST/NodeFactory/SimplifyingNodeFactory.cpp
index 7f2b3f3..a3ef9b9 100644
--- a/src/AST/NodeFactory/SimplifyingNodeFactory.cpp
+++ b/src/AST/NodeFactory/SimplifyingNodeFactory.cpp
@@ -733,7 +733,12 @@ ASTNode SimplifyingNodeFactory::CreateTerm(Kind kind, unsigned int width,
 			result = children[2];
 		else if (children[1] == children[2])
 			result = children[1];
-		break;
+		else if (children[2].GetKind() == BEEV::ITE && (children[2][0] == children[0]))
+		        result = NodeFactory::CreateTerm(BEEV::ITE, width, children[0], children[1], children[2][2]);
+                else if (children[1].GetKind() == BEEV::ITE && (children[1][0] == children[0]))
+                        result = NodeFactory::CreateTerm(BEEV::ITE, width, children[0], children[1][1], children[2]);
+
+		  break;
 	}
 
 	case BEEV::BVMULT: