nerdcruft/libcruft-util
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Add manhattan closest calculation

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This commit is contained in:
Danny Robson 2013-09-18 13:52:11 +10:00
parent 7849001750
commit 0e36781721
2 changed files with 18 additions and 2 deletions
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15
region.cpp
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@ -102,6 +102,21 @@ region<T>::centre (void) const {
} }
template <typename T>
point<2>
region<T>::closest (point<2> p) const {
return {
p.x < x ? x :
p.x > x + w ? x + w :
p.x,
p.y < y ? y :
p.y < y + h ? y + h :
p.y
};
}
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
template <typename T> template <typename T>
bool bool

5
region.hpp
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@ -50,8 +50,9 @@ namespace util {
bool empty (void) const; bool empty (void) const;
point2 base (void) const; point2 base (void) const;
point2 centre (void) const; point2 centre (void) const;
point2 closest (point2) const;
bool includes (const point2&) const; // inclusive of borders bool includes (const point2&) const; // inclusive of borders
bool contains (const point2&) const; // exclusive of borders bool contains (const point2&) const; // exclusive of borders