nerdcruft/libcruft-util
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Add copy and assignment operators to util::extent

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This commit is contained in:
Danny Robson 2012-06-05 22:50:52 +10:00
parent aad9a8377c
commit 4795e7f054
2 changed files with 27 additions and 1 deletions
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24
extent.cpp
View File

@ -27,6 +27,7 @@
using namespace util;
//-----------------------------------------------------------------------------
template <typename T>
extent<T>::extent (const T _width, const T _height):
width (_width),
@ -34,6 +35,24 @@ extent<T>::extent (const T _width, const T _height):
{ ; }
template <typename T>
extent<T>::extent (const extent<T> &rhs):
width (rhs.width),
height (rhs.height)
{ ; }
template <typename T>
extent<T>&
extent<T>::operator= (const extent<T> &rhs) {
width = rhs.width;
height = rhs.height;
return *this;
}
//-----------------------------------------------------------------------------
template <typename T>
T
extent<T>::diameter (void) const {
@ -47,18 +66,21 @@ extent<T>::area (void) const
{ return width * height; }
//-----------------------------------------------------------------------------
template <typename T>
double
extent<T>::aspect (void) const
{ return static_cast<double> (width) / height; }
//-----------------------------------------------------------------------------
template <typename T>
bool
extent<T>::empty (void) const
{ return almost_equal (area(), 0); }
//-----------------------------------------------------------------------------
template <typename T>
bool
extent<T>::operator ==(const extent& rhs) const {
@ -67,6 +89,7 @@ extent<T>::operator ==(const extent& rhs) const {
}
//-----------------------------------------------------------------------------
template <typename T>
void
extent<T>::sanity (void) const
@ -86,6 +109,7 @@ namespace util {
}
//-----------------------------------------------------------------------------
namespace util {
template struct extent<unsigned int>;
template struct extent<unsigned long>;

2
extent.hpp
View File

@ -29,6 +29,8 @@ namespace util {
T width, height;
extent (const T _width, const T _height);
extent (const extent&);
extent& operator= (const extent&);
T area (void) const;
T diameter (void) const;