VTK  9.3.20240418
vtkTemplateAliasMacro.h
Go to the documentation of this file.
1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
27 #ifndef vtkTemplateAliasMacro_h
28 #define vtkTemplateAliasMacro_h
29 
30 #include "vtkTypeTraits.h"
31 
32 // Allow individual switching of support for each scalar size/signedness.
33 // These could be made advanced user options to be configured by CMake.
34 #define VTK_USE_INT8 1
35 #define VTK_USE_UINT8 1
36 #define VTK_USE_INT16 1
37 #define VTK_USE_UINT16 1
38 #define VTK_USE_INT32 1
39 #define VTK_USE_UINT32 1
40 #define VTK_USE_INT64 1
41 #define VTK_USE_UINT64 1
42 #define VTK_USE_FLOAT32 1
43 #define VTK_USE_FLOAT64 1
44 
45 //--------------------------------------------------------------------------
46 
47 // Define helper macros to switch types on and off.
48 #define vtkTemplateAliasMacroCase(typeN, call) \
49  vtkTemplateAliasMacroCase0(typeN, call, VTK_TYPE_SIZED_##typeN)
50 #define vtkTemplateAliasMacroCase0(typeN, call, sized) \
51  vtkTemplateAliasMacroCase1(typeN, call, sized)
52 #define vtkTemplateAliasMacroCase1(typeN, call, sized) \
53  vtkTemplateAliasMacroCase2(typeN, call, VTK_USE_##sized)
54 #define vtkTemplateAliasMacroCase2(typeN, call, value) \
55  vtkTemplateAliasMacroCase3(typeN, call, value)
56 #define vtkTemplateAliasMacroCase3(typeN, call, value) \
57  vtkTemplateAliasMacroCase_##value(typeN, call)
58 #define vtkTemplateAliasMacroCase_0(typeN, call) \
59  case VTK_##typeN: \
60  { \
61  vtkGenericWarningMacro("Support for VTK_" #typeN " not compiled."); \
62  }; \
63  break
64 #define vtkTemplateAliasMacroCase_1(typeN, call) \
65  case VTK_##typeN: \
66  { \
67  typedef vtkTypeTraits<VTK_TYPE_NAME_##typeN>::SizedType VTK_TT; \
68  call; \
69  }; \
70  break
71 
72 // Define a macro to dispatch calls to a template instantiated over
73 // the aliased scalar types.
74 #define vtkTemplateAliasMacro(call) \
75  vtkTemplateAliasMacroCase(DOUBLE, call); \
76  vtkTemplateAliasMacroCase(FLOAT, call); \
77  vtkTemplateAliasMacroCase(LONG_LONG, call); \
78  vtkTemplateAliasMacroCase(UNSIGNED_LONG_LONG, call); \
79  vtkTemplateAliasMacroCase(ID_TYPE, call); \
80  vtkTemplateAliasMacroCase(LONG, call); \
81  vtkTemplateAliasMacroCase(UNSIGNED_LONG, call); \
82  vtkTemplateAliasMacroCase(INT, call); \
83  vtkTemplateAliasMacroCase(UNSIGNED_INT, call); \
84  vtkTemplateAliasMacroCase(SHORT, call); \
85  vtkTemplateAliasMacroCase(UNSIGNED_SHORT, call); \
86  vtkTemplateAliasMacroCase(CHAR, call); \
87  vtkTemplateAliasMacroCase(SIGNED_CHAR, call); \
88  vtkTemplateAliasMacroCase(UNSIGNED_CHAR, call)
89 
90 #endif
91 // VTK-HeaderTest-Exclude: vtkTemplateAliasMacro.h
Generated on Thu Apr 18 2024 08:18:55 for VTK by doxygen 1.9.1