# HG changeset patch
# User alpar
# Date 1112187718 0
# Node ID 16980bf77bd30a76107a7f02443484f057cb215e
# Parent  5676e48ca026d57e335dbbcd4c6f858d016ca975
Minor improvements

diff -r 5676e48ca026 -r 16980bf77bd3 src/work/athos/lp/lp_base.h
--- a/src/work/athos/lp/lp_base.h	Wed Mar 30 12:08:15 2005 +0000
+++ b/src/work/athos/lp/lp_base.h	Wed Mar 30 13:01:58 2005 +0000
@@ -298,6 +298,10 @@
       Value &upperBound() { return _ub; }
       ///\e
       const Value &upperBound() const { return _ub; }
+      ///\e
+      bool lowerBounded() const { return std::isfinite(_lb); }
+      ///\e
+      bool upperBounded() const { return std::isfinite(_ub); }
     };
     
 
@@ -484,9 +488,9 @@
     ///\param c is a linear expression (see \ref Constr)
     void setRow(Row r, const Constr &c) {
       setRow(r,
-	     isnan(c.lowerBound())?-INF:c.lowerBound(),
+	     c.lowerBounded()?c.lowerBound():-INF,
 	     c.expr(),
-	     isnan(c.upperBound())?INF:c.upperBound());
+	     c.upperBounded()?c.upperBound():INF);
     }
 
     ///Add a new row (i.e a new constaint) to the LP