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NumLimitsT.hh
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//=============================================================================
//
// CLASS NumLimitsT
//
//=============================================================================
#ifndef OPENMESH_UTILS_NUMLIMITS_HH
#define OPENMESH_UTILS_NUMLIMITS_HH
//== INCLUDES =================================================================
#include "Config.hh"
#include <limits.h>
#include <float.h>
//== NAMESPEACES ==============================================================
namespace OpenMesh { // BEGIN_NS_OPENMESH
namespace Utils { // BEGIN_NS_UTILS
//== CLASS DEFINITION =========================================================
template <typename Scalar>
class NumLimitsT
{
public:
static inline Scalar min() { return 0; }
static inline Scalar max() { return 0; }
static inline bool is_float() { return false; }
static inline bool is_integer() { return !NumLimitsT<Scalar>::is_float(); }
static inline bool is_signed() { return true; }
};
// is_float
template<>
inline bool NumLimitsT<float>::is_float() { return true; }
template<>
inline bool NumLimitsT<double>::is_float() { return true; }
template<>
inline bool NumLimitsT<long double>::is_float() { return true; }
// is_signed
template<>
inline bool NumLimitsT<unsigned char>::is_signed() { return false; }
template<>
inline bool NumLimitsT<unsigned short>::is_signed() { return false; }
template<>
inline bool NumLimitsT<unsigned int>::is_signed() { return false; }
template<>
inline bool NumLimitsT<unsigned long>::is_signed() { return false; }
template<>
inline bool NumLimitsT<unsigned long long>::is_signed() { return false; }
// min/max
template<> inline int NumLimitsT<int>::min() { return INT_MIN; }
template<> inline int NumLimitsT<int>::max() { return INT_MAX; }
template<> inline float NumLimitsT<float>::min() { return FLT_MIN; }
template<> inline float NumLimitsT<float>::max() { return FLT_MAX; }
template<> inline double NumLimitsT<double>::min() { return DBL_MIN; }
template<> inline double NumLimitsT<double>::max() { return DBL_MAX; }
//=============================================================================
} // END_NS_UTILS
} // END_NS_OPENMESH
//=============================================================================
#endif // OPENMESH_NUMLIMITS_HH defined
//=============================================================================
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition MeshItems.hh:59
OpenMesh::Utils::NumLimitsT
This class provides the maximum and minimum values a certain scalar type (int, float,...
Definition NumLimitsT.hh:92
OpenMesh::Utils::NumLimitsT::max
static Scalar max()
Return the maximum absolte value a scalar type can store.
Definition NumLimitsT.hh:97
OpenMesh::Utils::NumLimitsT::min
static Scalar min()
Return the smallest absolte value a scalar type can store.
Definition NumLimitsT.hh:95
Config.hh