From: Mikko Rasa <tdb@tdb.fi>
Date: Tue, 27 Nov 2012 11:04:39 +0000 (+0200)
Subject: Report non-basic variables in Layout::LinearProgram as having zero value
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=26364157167e38a93d93c7912769d4362c52d387;hp=5093559790a7d51d288018cfffda32082faf5f27;p=libs%2Fgltk.git

Report non-basic variables in Layout::LinearProgram as having zero value
---

diff --git a/source/layout.cpp b/source/layout.cpp
index 74b33f0..2972ec8 100644
--- a/source/layout.cpp
+++ b/source/layout.cpp
@@ -365,8 +365,10 @@ float Layout::LinearProgram::get_variable(unsigned i)
 	if(i+1>=n_columns)
 		throw out_of_range("LinearProgram::get_variable");
 
-	unsigned r = columns[i].basic;
-	return columns.back().values[r];
+	if(unsigned r = columns[i].basic)
+		return columns.back().values[r];
+	else
+		return 0;
 }
 
 bool Layout::LinearProgram::solve()