OpenMesh
NumLimitsT.hh
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53//=============================================================================
54//
55// CLASS NumLimitsT
56//
57//=============================================================================
58
59#ifndef OPENMESH_UTILS_NUMLIMITS_HH
60#define OPENMESH_UTILS_NUMLIMITS_HH
61
62
63//== INCLUDES =================================================================
64
65#include "Config.hh"
66#include <limits.h>
67#include <float.h>
68
69
70//== NAMESPEACES ==============================================================
71
72namespace OpenMesh { // BEGIN_NS_OPENMESH
73namespace Utils { // BEGIN_NS_UTILS
74
75
76//== CLASS DEFINITION =========================================================
77
78
95template <typename Scalar>
97{
98public:
100 static inline Scalar min() { return 0; }
102 static inline Scalar max() { return 0; }
103
104 static inline bool is_float() { return false; }
105 static inline bool is_integer() { return !NumLimitsT<Scalar>::is_float(); }
106 static inline bool is_signed() { return true; }
107};
108
109 // is_float
110
111template<>
112inline bool NumLimitsT<float>::is_float() { return true; }
113
114template<>
115inline bool NumLimitsT<double>::is_float() { return true; }
116
117template<>
118inline bool NumLimitsT<long double>::is_float() { return true; }
119
120 // is_signed
121
122template<>
123inline bool NumLimitsT<unsigned char>::is_signed() { return false; }
124
125template<>
126inline bool NumLimitsT<unsigned short>::is_signed() { return false; }
127
128template<>
129inline bool NumLimitsT<unsigned int>::is_signed() { return false; }
130
131template<>
132inline bool NumLimitsT<unsigned long>::is_signed() { return false; }
133
134template<>
135inline bool NumLimitsT<unsigned long long>::is_signed() { return false; }
136
137 // min/max
138template<> inline int NumLimitsT<int>::min() { return INT_MIN; }
139template<> inline int NumLimitsT<int>::max() { return INT_MAX; }
140
141template<> inline float NumLimitsT<float>::min() { return FLT_MIN; }
142template<> inline float NumLimitsT<float>::max() { return FLT_MAX; }
143
144template<> inline double NumLimitsT<double>::min() { return DBL_MIN; }
145template<> inline double NumLimitsT<double>::max() { return DBL_MAX; }
146
147
148//=============================================================================
149} // END_NS_UTILS
150} // END_NS_OPENMESH
151//=============================================================================
152#endif // OPENMESH_NUMLIMITS_HH defined
153//=============================================================================
154
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
This class provides the maximum and minimum values a certain scalar type (int, float,...
Definition: NumLimitsT.hh:97
static Scalar max()
Return the maximum absolte value a scalar type can store.
Definition: NumLimitsT.hh:102
static Scalar min()
Return the smallest absolte value a scalar type can store.
Definition: NumLimitsT.hh:100

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