Changeset 2413:21eb3ccdc3df in lemon-0.x for lemon/tolerance.h

Timestamp:

03/22/07 16:40:50 (17 years ago)

Author:

Balazs Dezso

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@3244

Message:

Right dimacs format for min cost flows
Bug fixes in tolerance and min_mean_cycle

File:

• lemon/tolerance.h (modified) (1 diff)

lemon/tolerance.h

@@ -306 +306 @@
     static Value zero() {return 0;}
   };
+  
+
+  ///Long integer specialization of \ref Tolerance.
+
+  ///Long integer specialization of \ref Tolerance.
+  ///\sa Tolerance
+  template<>
+  class Tolerance<long int>
+  {
+  public:
+    ///\e
+    typedef long int Value;
+
+    ///\name Comparisons
+    ///See \ref Tolerance for more details.
+
+    ///@{
+
+    ///Returns \c true if \c a is \e surely strictly less than \c b
+    static bool less(Value a,Value b) { return a<b;}
+    ///Returns \c true if \c a is \e surely different from \c b
+    static bool different(Value a,Value b) { return a!=b; }
+    ///Returns \c true if \c a is \e surely positive
+    static bool positive(Value a) { return 0<a; }
+    ///Returns \c true if \c a is \e surely negative
+    static bool negative(Value a) { return 0>a; }
+    ///Returns \c true if \c a is \e surely non-zero
+    static bool nonZero(Value a) { return a!=0;};
+
+    ///@}
+
+    ///Returns zero
+    static Value zero() {return 0;}
+  };
+
+  ///Unsigned long integer specialization of \ref Tolerance.
+
+  ///Unsigned long integer specialization of \ref Tolerance.
+  ///\sa Tolerance
+  template<>
+  class Tolerance<unsigned long int>
+  {
+  public:
+    ///\e
+    typedef unsigned long int Value;
+
+    ///\name Comparisons
+    ///See \ref Tolerance for more details.
+
+    ///@{
+
+    ///Returns \c true if \c a is \e surely strictly less than \c b
+    static bool less(Value a,Value b) { return a<b;}
+    ///Returns \c true if \c a is \e surely different from \c b
+    static bool different(Value a,Value b) { return a!=b; }
+    ///Returns \c true if \c a is \e surely positive
+    static bool positive(Value a) { return 0<a; }
+    ///Returns \c true if \c a is \e surely negative
+    static bool negative(Value) { return false; }
+    ///Returns \c true if \c a is \e surely non-zero
+    static bool nonZero(Value a) { return a!=0;};
+
+    ///@}
+
+    ///Returns zero
+    static Value zero() {return 0;}
+  };
 
 #if defined __GNUC__ && !defined __STRICT_ANSI__