std::hash< wxPoint > Struct Template Reference

#include <wx_stl_compat.h>

Public Member Functions
size_t	operator() (const wxPoint &k) const

Detailed Description

template<>
struct std::hash< wxPoint >

Definition at line 44 of file wx_stl_compat.h.

Member Function Documentation

operator()()

size_t std::hash< wxPoint >::operator()

(

const wxPoint &

k

)

const

Definition at line 32 of file wx_stl_compat.cpp.

{
    auto xhash = std::hash<int>()( k.x );

    // 0x9e3779b9 is 2^33 / ( 1 + sqrt(5) )
    // Adding this value ensures that consecutive bits of y will not be close to each other
    // decreasing the likelihood of hash collision in similar values of x and y
    return xhash ^ ( std::hash<int>()( k.y )  + 0x9e3779b9 + ( xhash << 6 ) + ( xhash >> 2 ) );
}

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The documentation for this struct was generated from the following files:

• wx_stl_compat.h
• wx_stl_compat.cpp