OpenMesh
NumLimitsT.hh
Go to the documentation of this file.
1 /* ========================================================================= *
2  * *
3  * OpenMesh *
4  * Copyright (c) 2001-2015, RWTH-Aachen University *
5  * Department of Computer Graphics and Multimedia *
6  * All rights reserved. *
7  * www.openmesh.org *
8  * *
9  *---------------------------------------------------------------------------*
10  * This file is part of OpenMesh. *
11  *---------------------------------------------------------------------------*
12  * *
13  * Redistribution and use in source and binary forms, with or without *
14  * modification, are permitted provided that the following conditions *
15  * are met: *
16  * *
17  * 1. Redistributions of source code must retain the above copyright notice, *
18  * this list of conditions and the following disclaimer. *
19  * *
20  * 2. Redistributions in binary form must reproduce the above copyright *
21  * notice, this list of conditions and the following disclaimer in the *
22  * documentation and/or other materials provided with the distribution. *
23  * *
24  * 3. Neither the name of the copyright holder nor the names of its *
25  * contributors may be used to endorse or promote products derived from *
26  * this software without specific prior written permission. *
27  * *
28  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
29  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
30  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
31  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
32  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
33  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
34  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
35  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
36  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
37  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
38  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
39  * *
40  * ========================================================================= */
41 
42 /*===========================================================================*\
43  * *
44  * $Revision$ *
45  * $Date$ *
46  * *
47 \*===========================================================================*/
48 
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 
72 namespace OpenMesh { // BEGIN_NS_OPENMESH
73 namespace Utils { // BEGIN_NS_UTILS
74 
75 
76 //== CLASS DEFINITION =========================================================
77 
78 
95 template <typename Scalar>
97 {
98 public:
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 
111 template<>
112 inline bool NumLimitsT<float>::is_float() { return true; }
113 
114 template<>
115 inline bool NumLimitsT<double>::is_float() { return true; }
116 
117 template<>
118 inline bool NumLimitsT<long double>::is_float() { return true; }
119 
120  // is_signed
121 
122 template<>
123 inline bool NumLimitsT<unsigned char>::is_signed() { return false; }
124 
125 template<>
126 inline bool NumLimitsT<unsigned short>::is_signed() { return false; }
127 
128 template<>
129 inline bool NumLimitsT<unsigned int>::is_signed() { return false; }
130 
131 template<>
132 inline bool NumLimitsT<unsigned long>::is_signed() { return false; }
133 
134 template<>
135 inline bool NumLimitsT<unsigned long long>::is_signed() { return false; }
136 
137  // min/max
138 template<> inline int NumLimitsT<int>::min() { return INT_MIN; }
139 template<> inline int NumLimitsT<int>::max() { return INT_MAX; }
140 
141 template<> inline float NumLimitsT<float>::min() { return FLT_MIN; }
142 template<> inline float NumLimitsT<float>::max() { return FLT_MAX; }
143 
144 template<> inline double NumLimitsT<double>::min() { return DBL_MIN; }
145 template<> 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
static Scalar min()
Return the smallest absolte value a scalar type can store.
Definition: NumLimitsT.hh:100
static Scalar max()
Return the maximum absolte value a scalar type can store.
Definition: NumLimitsT.hh:102
This class provides the maximum and minimum values a certain scalar type (int, float, or double) can store.
Definition: NumLimitsT.hh:96

Project OpenMesh, ©  Computer Graphics Group, RWTH Aachen. Documentation generated using doxygen .