Arcane  v3.14.10.0
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CheckedConvert.h
1// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
2//-----------------------------------------------------------------------------
3// Copyright 2000-2023 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
4// See the top-level COPYRIGHT file for details.
5// SPDX-License-Identifier: Apache-2.0
6//-----------------------------------------------------------------------------
7/*---------------------------------------------------------------------------*/
8/* CheckedConvert.h (C) 2000-2023 */
9/* */
10/* Fonctions pour convertir un type en un autre avec vérification. */
11/*---------------------------------------------------------------------------*/
12#ifndef ARCANE_UTILS_CHECKEDCONVERT_H
13#define ARCANE_UTILS_CHECKEDCONVERT_H
14/*---------------------------------------------------------------------------*/
15/*---------------------------------------------------------------------------*/
16
17#include "arcane/utils/UtilsTypes.h"
18#include "arcane/utils/BadCastException.h"
19#include "arcane/utils/String.h"
20#include "arcane/utils/TraceInfo.h"
21#include "arcane/utils/Convert.h"
22
23#include <limits>
24
25/*---------------------------------------------------------------------------*/
26/*---------------------------------------------------------------------------*/
30namespace Arcane::CheckedConvert
31{
32namespace impl
33{
34 inline Integer
35 toInteger(Int64 v)
36 {
37 if (v > std::numeric_limits<Integer>::max() || v < std::numeric_limits<Integer>::min())
38 ARCANE_THROW(BadCastException, "Invalid conversion from '{0}' to type Integer", v);
39 return static_cast<Integer>(v);
40 }
41} // namespace impl
42
43/*---------------------------------------------------------------------------*/
44/*---------------------------------------------------------------------------*/
46inline Integer
47toInteger(Real r)
48{
49 double v = Convert::toDouble(r);
50 if (v > (double)std::numeric_limits<Integer>::max() || v < (double)std::numeric_limits<Integer>::min())
51 ARCANE_THROW(BadCastException, "Invalid conversion from '{0}' to type Integer", v);
52 return static_cast<Integer>(v);
53}
54
55/*---------------------------------------------------------------------------*/
56/*---------------------------------------------------------------------------*/
58inline Integer
59toInteger(long long v)
60{
61 return impl::toInteger(static_cast<Int64>(v));
62}
64inline Integer
65toInteger(long v)
66{
67 return impl::toInteger(static_cast<Int64>(v));
68}
70inline Integer
71toInteger(int v)
72{
73 return impl::toInteger(static_cast<Int64>(v));
74}
76inline Integer
77toInteger(unsigned long long v)
78{
79 return impl::toInteger(static_cast<Int64>(v));
80}
82inline Integer
83toInteger(unsigned long v)
84{
85 return impl::toInteger(static_cast<Int64>(v));
86}
88inline Integer
89toInteger(unsigned int v)
90{
91 return impl::toInteger(static_cast<Int64>(v));
92}
93
94/*---------------------------------------------------------------------------*/
95/*---------------------------------------------------------------------------*/
97
98inline Int32
99toInt32(Int64 v)
100{
101 if (v > std::numeric_limits<Int32>::max() || v < std::numeric_limits<Int32>::min())
102 throw BadCastException(A_FUNCINFO,
103 String::format("Invalid conversion from '{0}' to type Int32", v));
104 return (Int32)v;
105}
106
107/*---------------------------------------------------------------------------*/
108/*---------------------------------------------------------------------------*/
110
111inline Int16
112toInt16(Int64 v)
113{
114 if (v > std::numeric_limits<Int16>::max() || v < std::numeric_limits<Int16>::min())
115 throw BadCastException(A_FUNCINFO,
116 String::format("Invalid conversion from '{0}' to type Int16", v));
117 return (Int16)v;
118}
119
120/*---------------------------------------------------------------------------*/
121/*---------------------------------------------------------------------------*/
126inline Integer
127multiply(Integer x, Integer y, Integer z)
128{
129 Int64 x2 = static_cast<Int64>(x);
130 Int64 y2 = static_cast<Int64>(y);
131 Int64 z2 = static_cast<Int64>(z);
132 Int64 xyz = x2 * y2 * z2;
133 return impl::toInteger(xyz);
134}
135
136/*---------------------------------------------------------------------------*/
137/*---------------------------------------------------------------------------*/
142inline Integer
143multiply(Integer x, Integer y)
144{
145 Int64 x2 = static_cast<Int64>(x);
146 Int64 y2 = static_cast<Int64>(y);
147 Int64 xy = x2 * y2;
148 return impl::toInteger(xy);
149}
150
151/*---------------------------------------------------------------------------*/
152/*---------------------------------------------------------------------------*/
153
154} // namespace Arcane::CheckedConvert
155
156/*---------------------------------------------------------------------------*/
157/*---------------------------------------------------------------------------*/
158
159#endif
ARCANE_THROW
#define ARCANE_THROW(exception_class,...)
Macro pour envoyer une exception avec formattage.
Definition ArcaneGlobal.h:798
UtilsTypes.h
Déclarations des types utilisés dans Arcane.
Arcane::BadCastException
Exception lorsqu'une conversion d'un type vers un autre est invalide.
Definition BadCastException.h:32
Arcane::LimaWrapper
Lecteur des fichiers de maillage via la bibliothèque LIMA.
Definition Lima.cc:120
Arcane::CheckedConvert
Fonctions pour convertir un type en un autre avec vérification.
Definition CheckedConvert.h:31
Arcane::CheckedConvert::toInteger
Integer toInteger(Real r)
Converti un Int64 en un Integer.
Definition CheckedConvert.h:47
Arcane::CheckedConvert::multiply
Integer multiply(Integer x, Integer y, Integer z)
Multiplie trois 'Integer' et vérifie que le résultat peut être contenu dans un 'Integer'.
Definition CheckedConvert.h:127
Arcane::CheckedConvert::toInt32
Int32 toInt32(Int64 v)
Converti un Int64 en un Int32.
Definition CheckedConvert.h:99
Arcane::CheckedConvert::toInt16
Int16 toInt16(Int64 v)
Converti un Int64 en un Int16.
Definition CheckedConvert.h:112
Arcane::Convert::toDouble
double toDouble(Real r)
Converti un Real en double.
Definition Convert.h:40