cvstd.hpp

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#ifndef OPENCV_CORE_CVSTD_HPP




#define OPENCV_CORE_CVSTD_HPP








#ifndef __cplusplus




#  error cvstd.hpp header must be compiled as C++




#endif








#include "opencv2/core/cvdef.h"




#include <cstddef>




#include <cstring>




#include <cctype>








#include <string>








// import useful primitives from stl




#  include <algorithm>




#  include <utility>




#  include <cstdlib>
//for abs(int)




#  include <cmath>








namespace

cv



{



static
inline
uchar abs(uchar a) {
return
a; }



static
inline
ushort abs(ushort a) {
return
a; }



static
inline
unsigned
abs(unsigned
a) {
return
a; }



static
inline
uint64 abs(uint64 a) {
return
a; }







using
std::min;



using
std::max;



using
std::abs;



using
std::swap;



using
std::sqrt;



using
std::exp;



using
std::pow;



using
std::log;


}







#include "cvstd_wrapper.hpp"








namespace

cv
{














CV_EXPORTS
void*
fastMalloc(size_t
bufSize);






CV_EXPORTS
void
fastFree(void* ptr);







template<typename
_Tp>
class

Allocator



{



public:



typedef
_Tp value_type;



typedef
value_type* pointer;



typedef
const
value_type* const_pointer;



typedef
value_type& reference;



typedef
const
value_type& const_reference;



typedef
size_t
size_type;



typedef
ptrdiff_t difference_type;



template<typename
U>
class

rebind
{
typedef
Allocator<U>
other; };







explicit
Allocator() {}



~Allocator() {}



explicit
Allocator(Allocator
const&) {}



template<typename
U>



explicit
Allocator(Allocator<U>
const&) {}







// address




pointer address(reference r) {
return
&r; }



const_pointer address(const_reference r) {
return
&r; }







pointer allocate(size_type count,
const
void* =0) {
return
reinterpret_cast<pointer>(fastMalloc(count *
sizeof
(_Tp))); }



void
deallocate(pointer p, size_type) {
fastFree(p); }







void
construct(pointer p,
const
_Tp& v) {
new(static_cast<
void*>(p)) _Tp(v); }



void
destroy(pointer p) { p->~_Tp(); }







size_type max_size()
const
{
return
cv::max(static_cast<_Tp>(-1)/sizeof(_Tp), 1); }


};























class
CV_EXPORTS FileNode;
//for string constructor from FileNode








typedef
std::string String;







#ifndef OPENCV_DISABLE_STRING_LOWER_UPPER_CONVERSIONS








namespace
details {



// std::tolower is int->int




static
inline
char
char_tolower(char
ch)


{



return
(char)std::tolower((int)ch);


}



// std::toupper is int->int




static
inline
char
char_toupper(char
ch)


{



return
(char)std::toupper((int)ch);


}


}
// namespace details









static
inline
std::string toLowerCase(const
std::string& str)


{



std::string result(str);



std::transform(result.begin(), result.end(), result.begin(), details::char_tolower);



return
result;


}







static
inline
std::string toUpperCase(const
std::string& str)


{



std::string result(str);



std::transform(result.begin(), result.end(), result.begin(), details::char_toupper);



return
result;


}







#endif

// OPENCV_DISABLE_STRING_LOWER_UPPER_CONVERSIONS







}
// cv








#endif

//OPENCV_CORE_CVSTD_HPP