Changeset 2157:f9171bfc7ebb in lemon-0.x for lemon

Timestamp:

07/20/06 08:20:27 (18 years ago)

Author:

Alpar Juttner

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@2872

Message:

• Doc improvements
• rot180() added to xy.h

File:

• lemon/xy.h (modified) (18 diffs)

lemon/xy.h

@@ -48 +48 @@
   /// operators.
   ///
+  ///\note As you might have noticed, this class does not follow the
+  ///\ref naming_conv "LEMON Coding Style" (it should be called \c Xy
+  ///according to it). There is a stupid Hungarian proverb, "A kivétel
+  ///erõsíti a szabályt" ("An exception
+  ///reinforces a rule", which is
+  ///actually a mistranslation of the Latin proverb "Exceptio probat regulam").
+  ///This class is an example for that.
   ///\author Attila Bernath
   template<typename T>
@@ -64 +71 @@
       xy() {}
 
-      ///Constructing the instance from coordinates
+      ///Construct an instance from coordinates
       xy(T a, T b) : x(a), y(b) { }
 
@@ -71 +78 @@
       template<class TT> xy(const xy<TT> &p) : x(p.x), y(p.y) {}
 
-      ///Gives back the square of the norm of the vector
+      ///Give back the square of the norm of the vector
       T normSquare() const {
         return x*x+y*y;
       }
   
-      ///Increments the left hand side by u
+      ///Increment the left hand side by u
       xy<T>& operator +=(const xy<T>& u) {
         x += u.x;
@@ -83 +90 @@
       }
   
-      ///Decrements the left hand side by u
+      ///Decrement the left hand side by u
       xy<T>& operator -=(const xy<T>& u) {
         x -= u.x;
@@ -90 +97 @@
       }
 
-      ///Multiplying the left hand side with a scalar
+      ///Multiply the left hand side with a scalar
       xy<T>& operator *=(const T &u) {
         x *= u;
@@ -97 +104 @@
       }
 
-      ///Dividing the left hand side by a scalar
+      ///Divide the left hand side by a scalar
       xy<T>& operator /=(const T &u) {
         x /= u;
@@ -104 +111 @@
       }
   
-      ///Returns the scalar product of two vectors
+      ///Return the scalar product of two vectors
       T operator *(const xy<T>& u) const {
         return x*u.x+y*u.y;
       }
   
-      ///Returns the sum of two vectors
+      ///Return the sum of two vectors
       xy<T> operator+(const xy<T> &u) const {
         xy<T> b=*this;
@@ -115 +122 @@
       }
 
-      ///Returns the neg of the vectors
+      ///Return the neg of the vectors
       xy<T> operator-() const {
         xy<T> b=*this;
@@ -122 +129 @@
       }
 
-      ///Returns the difference of two vectors
+      ///Return the difference of two vectors
       xy<T> operator-(const xy<T> &u) const {
         xy<T> b=*this;
@@ -128 +135 @@
       }
 
-      ///Returns a vector multiplied by a scalar
+      ///Return a vector multiplied by a scalar
       xy<T> operator*(const T &u) const {
         xy<T> b=*this;
@@ -134 +141 @@
       }
 
-      ///Returns a vector divided by a scalar
+      ///Return a vector divided by a scalar
       xy<T> operator/(const T &u) const {
         xy<T> b=*this;
@@ -140 +147 @@
       }
 
-      ///Testing equality
+      ///Test equality
       bool operator==(const xy<T> &u) const {
         return (x==u.x) && (y==u.y);
       }
 
-      ///Testing inequality
+      ///Test inequality
       bool operator!=(xy u) const {
         return  (x!=u.x) || (y!=u.y);
@@ -152 +159 @@
     };
 
-  ///Returns an xy 
-
-  ///Returns an xy
+  ///Return an xy 
+
+  ///Return an xy
   ///\relates xy
   template <typename T>
@@ -161 +168 @@
   }
 
-  ///Returns a vector multiplied by a scalar
-
-  ///Returns a vector multiplied by a scalar
+  ///Return a vector multiplied by a scalar
+
+  ///Return a vector multiplied by a scalar
   ///\relates xy
   template<typename T> xy<T> operator*(const T &u,const xy<T> &x) {
@@ -220 +227 @@
   }
 
+  ///Rotate by 180 degrees
+
+  ///Returns its parameter rotated by 180 degrees.
+  ///\relates xy
+  ///
+  template<typename T>
+  inline xy<T> rot180(const xy<T> &z)
+  {
+    return xy<T>(-z.x,-z.y);
+  }
+
   ///Rotate by 270 degrees
 
@@ -247 +265 @@
       BoundingBox() { _empty = true; }
 
-      ///Constructing the instance from one point
+      ///Construct an instance from one point
       BoundingBox(xy<T> a) { bottom_left=top_right=a; _empty = false; }
 
@@ -255 +273 @@
       }
 
-      ///Makes the BoundingBox empty
+      ///Make the BoundingBox empty
       void clear() {
         _empty=1;
       }
 
-      ///\brief Gives back the bottom left corner
-      ///(if the bounding box is empty, then the return value is not defined) 
+      ///Give back the bottom left corner
+
+      ///Give back the bottom left corner.
+      ///If the bounding box is empty, then the return value is not defined.
       xy<T> bottomLeft() const {
         return bottom_left;
       }
 
-      ///\brief Sets the bottom left corner
-      ///(should only bee used for non-empty box) 
+      ///Set the bottom left corner
+
+      ///Set the bottom left corner.
+      ///It should only bee used for non-empty box.
       void bottomLeft(xy<T> p) {
         bottom_left = p;
       }
 
-      ///\brief Gives back the top right corner
-      ///(if the bounding box is empty, then the return value is not defined) 
+      ///Give back the top right corner
+
+      ///Give back the top right corner.
+      ///If the bounding box is empty, then the return value is not defined.
       xy<T> topRight() const {
         return top_right;
       }
 
-      ///\brief Sets the top right corner
-      ///(should only bee used for non-empty box) 
+      ///Set the top right corner
+
+      ///Set the top right corner.
+      ///It should only bee used for non-empty box.
       void topRight(xy<T> p) {
         top_right = p;
       }
 
-      ///\brief Gives back the bottom right corner
-      ///(if the bounding box is empty, then the return value is not defined) 
+      ///Give back the bottom right corner
+
+      ///Give back the bottom right corner.
+      ///If the bounding box is empty, then the return value is not defined.
       xy<T> bottomRight() const {
         return xy<T>(top_right.x,bottom_left.y);
       }
 
-      ///\brief Sets the bottom right corner
-      ///(should only bee used for non-empty box) 
+      ///Set the bottom right corner
+
+      ///Set the bottom right corner.
+      ///It should only bee used for non-empty box.
       void bottomRight(xy<T> p) {
         top_right.x = p.x;
         bottom_left.y = p.y;
       }
-
-      ///\brief Gives back the top left corner
-      ///(if the bounding box is empty, then the return value is not defined) 
+ 
+      ///Give back the top left corner
+
+      ///Give back the top left corner.
+      ///If the bounding box is empty, then the return value is not defined.
       xy<T> topLeft() const {
         return xy<T>(bottom_left.x,top_right.y);
       }
 
-      ///\brief Sets the top left corner
-      ///(should only bee used for non-empty box) 
+      ///Set the top left corner
+
+      ///Set the top left corner.
+      ///It should only bee used for non-empty box.
       void topLeft(xy<T> p) {
         top_right.y = p.y;
@@ -310 +344 @@
       }
 
-      ///\brief Gives back the bottom of the box
-      ///(if the bounding box is empty, then the return value is not defined) 
+      ///Give back the bottom of the box
+
+      ///Give back the bottom of the box.
+      ///If the bounding box is empty, then the return value is not defined.
       T bottom() const {
         return bottom_left.y;
       }
 
-      ///\brief Sets the bottom of the box
-      ///(should only bee used for non-empty box) 
+      ///Set the bottom of the box
+
+      ///Set the bottom of the box.
+      ///It should only bee used for non-empty box.
       void bottom(T t) {
         bottom_left.y = t;
       }
 
-      ///\brief Gives back the top of the box
-      ///(if the bounding box is empty, then the return value is not defined) 
+      ///Give back the top of the box
+
+      ///Give back the top of the box.
+      ///If the bounding box is empty, then the return value is not defined.
       T top() const {
         return top_right.y;
       }
 
-      ///\brief Sets the top of the box
-      ///(should only bee used for non-empty box) 
+      ///Set the top of the box
+
+      ///Set the top of the box.
+      ///It should only bee used for non-empty box.
       void top(T t) {
         top_right.y = t;
       }
 
-      ///\brief Gives back the left side of the box
-      ///(if the bounding box is empty, then the return value is not defined) 
+      ///Give back the left side of the box
+
+      ///Give back the left side of the box.
+      ///If the bounding box is empty, then the return value is not defined.
       T left() const {
         return bottom_left.x;
       }
-
-      ///\brief Sets the left side of the box
-      ///(should only bee used for non-empty box) 
+ 
+      ///Set the left side of the box
+
+      ///Set the left side of the box.
+      ///It should only bee used for non-empty box
       void left(T t) {
         bottom_left.x = t;
       }
 
-      ///\brief Gives back the right side of the box
-      ///(if the bounding box is empty, then the return value is not defined) 
+      /// Give back the right side of the box
+
+      /// Give back the right side of the box.
+      ///If the bounding box is empty, then the return value is not defined.
       T right() const {
         return top_right.x;
       }
 
-      ///\brief Sets the right side of the box
-      ///(should only bee used for non-empty box) 
+      ///Set the right side of the box
+
+      ///Set the right side of the box.
+      ///It should only bee used for non-empty box
       void right(T t) {
         top_right.x = t;
       }
 
-      ///\brief Gives back the height of the box
-      ///(if the bounding box is empty, then the return value is not defined) 
+      ///Give back the height of the box
+
+      ///Give back the height of the box.
+      ///If the bounding box is empty, then the return value is not defined.
       T height() const {
         return top_right.y-bottom_left.y;
       }
 
-      ///\brief Gives back the width of the box
-      ///(if the bounding box is empty, then the return value is not defined) 
+      ///Give back the width of the box
+
+      ///Give back the width of the box.
+      ///If the bounding box is empty, then the return value is not defined.
       T width() const {
         return top_right.x-bottom_left.x;