nadef.hpp

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#pragma once
#include <vector>
#include <string>
#include <map>
#include <memory>
#include <float.h>
 
namespace NANA {
 
#if defined _MSC_VER || defined __BORLANDC__
typedef __int64 int64;
typedef unsigned __int64 uint64;
#else
typedef int64_t int64;
typedef uint64_t uint64;
 
#endif
 
#pragma region 定义数学上的常量和浮点数
#define NA_PI   3.1415926535897932384626433832795
#define NA_2PI  6.283185307179586476925286766559
 
#define NA_EPS   DBL_EPSILON
 
#define NA_EulerNum 2.7182818284590452353602874713526
 
typedef  double NAFLOAT;
 
#pragma endregion
 
#pragma region  类型重定义
 
typedef  std::string String;
 
 
 
#pragma endregion
 
template<typename _Tp>
struct Size_ {
    Size_() :
        width(0),
        height(0)
    {
 
    }
 
    Size_(_Tp _width, _Tp _height) {
        width = _width;
        height = _height;
    }
 
    _Tp width;
    _Tp height;
};
typedef Size_<int> Size2i;
typedef Size_<int64> Size2l;
typedef Size_<float> Size2f;
typedef Size_<double> Size2d;
typedef Size2i Size;
 
template<typename _Tp>
inline bool isNan(_Tp x) {
    if (x != x)
        return true;
    return false;
}
 
 
 
 
 
}