From 2ac4f2337de9511cefd748c4f90505a66d14f1f7 Mon Sep 17 00:00:00 2001
From: Dave Parker <dave.x.parker@gmail.com>
Date: Fri, 18 Dec 2009 11:14:33 +0000
Subject: [PATCH] JDD.Constant detects +/- infinity.

git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@1659 bbc10eb1-c90d-0410-af57-cb519fbb1720
---
 prism/src/jdd/JDD.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/prism/src/jdd/JDD.java b/prism/src/jdd/JDD.java
index 89d5dbc5..771932de 100644
--- a/prism/src/jdd/JDD.java
+++ b/prism/src/jdd/JDD.java
@@ -271,7 +271,10 @@ public class JDD
 
 	public static JDDNode Constant(double value)
 	{
-		return new JDDNode(DD_Constant(value));
+		if (Double.isInfinite(value))
+			return value > 0 ? JDD.PlusInfinity() : JDD.MinusInfinity();
+		else
+			return new JDDNode(DD_Constant(value));
 	}
 		
 	// create new constant (plus infinity)