limit.h

Go to the documentation of this file.

#pragma once
#include "basedef.h"
#include <limits>
 
#ifdef _WIN32
# pragma warning(disable:4146)
#endif
 
#ifdef __LINUX 
#include <math.h>
#endif

template <class T>
class limits : public std::numeric_limits<T> {
public:
      static T real_min() {
          T min_val = limits<T>::is_integer ? (limits<T>::is_signed ? limits<T>::min() : 0) : -limits<T>::max();
          return min_val;
      }
};
template <class T>
constexpr T initVal() { return limits<T>::max(); }
template <>
constexpr double initVal<double>() { return std::numeric_limits<double>::quiet_NaN(); }
template <>
constexpr float initVal<float>() { return std::numeric_limits<float>::quiet_NaN(); }
 
 
#ifdef _WIN32
# pragma warning(default:4146)
#endif

// EoF