Declare value() method const.

Jürgen Knödlseder
1 parent c3eaa48b
Showing 1 changed file with 1 additions and 1 deletions
pyext/GOptimizerFunction.i
@@ -44,7 +44,7 @@ public:
  
     // Virtual methods
     virtual void           eval(const GOptimizerPars& pars) = 0;
-    virtual double         value(void) = 0;
+    virtual double         value(void) const = 0;
     virtual GVector*       gradient(void) = 0;
     virtual GMatrixSparse* curvature(void) = 0;
 };