Changeset 1202:da44ee225dad in lemon-0.x for src/lemon/xy.h

Timestamp:

03/07/05 08:53:20 (20 years ago)

Author:

Alpar Juttner

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@1614

Message:

• rot90() and rot270() added to xy.h
• graph_to_eps.h's own rot() func. replaced to this

File:

• src/lemon/xy.h (modified) (1 diff)

src/lemon/xy.h

@@ -181 +181 @@
   }
 
+  ///Rotate by 90 degrees
+
+  ///Returns its parameter rotated by 90 degrees in positive direction.
+  ///\relates xy
+  ///
+  template<typename T>
+  inline xy<T> rot90(const xy<T> &z)
+  {
+    return xy<T>(-z.y,z.x);
+  }
+
+  ///Rotate by 270 degrees
+
+  ///Returns its parameter rotated by 90 degrees in negative direction.
+  ///\relates xy
+  ///
+  template<typename T>
+  inline xy<T> rot270(const xy<T> &z)
+  {
+    return xy<T>(z.y,-z.x);
+  }
+
+  
 
   /// A class to calculate or store the bounding box of plainvectors.