1.1 --- a/lemon/base.cc	Tue Nov 29 08:40:03 2005 +0000
     1.2 +++ b/lemon/base.cc	Tue Nov 29 08:43:50 2005 +0000
     1.3 @@ -24,4 +24,6 @@
     1.4    double Tolerance<double>::def_epsilon = 1e-10;
     1.5    float Tolerance<float>::def_epsilon = 1e-4;
     1.6  
     1.7 +  const Invalid INVALID = Invalid();
     1.8 +
     1.9  } //namespace lemon