OpenVDB: openvdb/math/HalfLimits.h Source File

OpenVDB 9.0.0

HalfLimits.h
Go to the documentation of this file.
1///////////////////////////////////////////////////////////////////////////
2//
3// Copyright (c) 2002, Industrial Light & Magic, a division of Lucas
4// Digital Ltd. LLC
5//
6// All rights reserved.
7//
8// Redistribution and use in source and binary forms, with or without
9// modification, are permitted provided that the following conditions are
10// met:
11// * Redistributions of source code must retain the above copyright
12// notice, this list of conditions and the following disclaimer.
13// * Redistributions in binary form must reproduce the above
14// copyright notice, this list of conditions and the following disclaimer
15// in the documentation and/or other materials provided with the
16// distribution.
17// * Neither the name of Industrial Light & Magic nor the names of
18// its contributors may be used to endorse or promote products derived
19// from this software without specific prior written permission.
20//
21// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32//
33///////////////////////////////////////////////////////////////////////////
34
35
36// Primary authors:
37// Florian Kainz <kainz@ilm.com>
38// Rod Bogart <rgb@ilm.com>
39
40
41#ifndef OPENVDB_MATH_HALF_LIMITS_HAS_BEEN_INCLUDED
42#define OPENVDB_MATH_HALF_LIMITS_HAS_BEEN_INCLUDED
43
44
45//------------------------------------------------------------------------
46//
47// C++ standard library-style numeric_limits for class half
48//
49//------------------------------------------------------------------------
50
51#include <limits>
52#include "Half.h"
53
54namespace std {
55
56template <>
57 class numeric_limits <openvdb::OPENVDB_VERSION_NAME::math::half>
58{
59 public:
60
61 static const bool is_specialized = true;
62
63 static half min () throw () {return HALF_NRM_MIN;}
64 static half max () throw () {return HALF_MAX;}
65
66 static const int digits = HALF_MANT_DIG;
67 static const int digits10 = HALF_DIG;
68 static const bool is_signed = true;
69 static const bool is_integer = false;
70 static const bool is_exact = false;
71 static const int radix = HALF_RADIX;
72 static half epsilon () throw () {return HALF_EPSILON;}
73 static half round_error () throw () {return HALF_EPSILON / 2;}
74
75 static const int min_exponent = HALF_MIN_EXP;
76 static const int min_exponent10 = HALF_MIN_10_EXP;
77 static const int max_exponent = HALF_MAX_EXP;
78 static const int max_exponent10 = HALF_MAX_10_EXP;
79
80 static const bool has_infinity = true;
81 static const bool has_quiet_NaN = true;
82 static const bool has_signaling_NaN = true;
83 static const float_denorm_style has_denorm = denorm_present;
84 static const bool has_denorm_loss = false;
85 static half infinity () throw () {return half::posInf();}
86 static half quiet_NaN () throw () {return half::qNan();}
87 static half signaling_NaN () throw () {return half::sNan();}
88 static half denorm_min () throw () {return HALF_MIN;}
89
90 static const bool is_iec559 = false;
91 static const bool is_bounded = false;
92 static const bool is_modulo = false;
93
94 static const bool traps = true;
95 static const bool tinyness_before = false;
96 static const float_round_style round_style = round_to_nearest;
97
98#if __cplusplus >= 201103L
99
100 // C++11 additions.
101 static constexpr int max_digits10 = HALF_DECIMAL_DIG;
102 static half lowest () {return -HALF_MAX;}
103
104#endif
105
106};
107
108
109} // namespace std
110
111#endif // OPENVDB_MATH_HALF_LIMITS_HAS_BEEN_INCLUDED
Half.h
std::numeric_limits< openvdb::v9_0::math::half >::quiet_NaN
static half quiet_NaN()
Definition: HalfLimits.h:86
std::numeric_limits< openvdb::v9_0::math::half >::max
static half max()
Definition: HalfLimits.h:64
std::numeric_limits< openvdb::v9_0::math::half >::round_error
static half round_error()
Definition: HalfLimits.h:73
std::numeric_limits< openvdb::v9_0::math::half >::min
static half min()
Definition: HalfLimits.h:63
std::numeric_limits< openvdb::v9_0::math::half >::epsilon
static half epsilon()
Definition: HalfLimits.h:72
std::numeric_limits< openvdb::v9_0::math::half >::denorm_min
static half denorm_min()
Definition: HalfLimits.h:88
std::numeric_limits< openvdb::v9_0::math::half >::signaling_NaN
static half signaling_NaN()
Definition: HalfLimits.h:87
std::numeric_limits< openvdb::v9_0::math::half >::infinity
static half infinity()
Definition: HalfLimits.h:85
openvdb::v9_0::math::half
internal::half half
Definition: Types.h:29
openvdb
Definition: Exceptions.h:13
std
Definition: Coord.h:586