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Basic.h
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2 * Copyright (c) Kongsberg Oil & Gas Technologies AS
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31 \**************************************************************************/
32
33 #ifndef DIME_BASIC_H
34 #define DIME_BASIC_H
35
36 #include <stdlib.h>
37 #include <stdio.h>
38 #include <stdarg.h>
39 #include <string.h>
40 #include <assert.h>
41 #include <math.h>
42
43 // we prefer to use floats to save mem. Applications needing
44 // scientific calculations should typedef this to double
45 typedef float dxfdouble;
46 // typedef double dxfdouble;
47
48 #include <float.h>
49
50 #ifndef M_PI
51 #define M_PI 3.14159265358979323846
52 #endif // !M_PI
53
54 #define DXFABS(x) ((x)<0?-(x):(x))
55 #define DXFMAX(x,y) ((x)>(y)?(x):(y))
56 #define DXFMIN(x,y) ((x)<(y)?(x):(y))
57 #define DXFDEG2RAD(x) (M_PI*(x)/180.0)
58 #define DXFRAD2DEG(x) (180.0*(x)/M_PI)
59
60
61 #ifdef __sgi
62 #define bool int
63 #define true 1
64 #define false 0
65 #endif // __sgi
66
67
68 template <class T> inline
69 T DXFSQR(const T x)
70 {
71 return x*x;
72 }
73
74 #if defined(__BEOS__)
75 #include <support/SupportDefs.h>
76 #else // ! defined(__BEOS__)
77 typedef signed char int8;
78 typedef unsigned char uint8;
79 typedef signed short int16;
80 typedef unsigned short uint16;
81 #ifdef _WIN32
82 typedef long int32;
83 #else // ! defined(_WIN32)
84 typedef signed int int32;
85 #endif // ! defined(_WIN32)
86 typedef unsigned int uint32;
87 #endif // ! defined(__BEOS__)
88
89 #ifdef macintosh
90 char* strdup( const char* );
91 #endif
92
93 #define ARRAY_NEW(memh, type, num) \
94 memh ? (type*) memh->allocMem((num)*sizeof(type)) : new type[num]
95
96 #define DXF_STRCPY(mh, d, s) \
97 mh ? d = mh->stringAlloc(s) : d = new char[strlen(s)+1]; if (d) strcpy(d,s)
98
99 typedef bool dimeCallbackFunc(const class dimeState * const, class dimeEntity *, void *);
100 typedef dimeCallbackFunc * dimeCallback;
101
102 typedef union {
103 int8 int8_data;
104 int16 int16_data;
105 int32 int32_data;
106 float float_data;
107 dxfdouble double_data;
108 const char *string_data;
109 const char *hex_data;
110 } dimeParam;
111
112 /* ********************************************************************** */
113 /* Precaution to avoid an some errors easily made by the application
114 programmer. */
115
116 #ifdef DIME_DLL_API
117 # error Leave the internal DIME_DLL_API define alone.
118 #endif /* DIME_DLL_API */
119 #ifdef DIME_INTERNAL
120 # ifdef DIME_NOT_DLL
121 # error The DIME_NOT_DLL define is not supposed to be used when building the library, only when building Win32 applications.
122 # endif /* DIME_INTERNAL && DIME_NOT_DLL */
123 # ifdef DIME_DLL
124 # error The DIME_DLL define is not supposed to be used when building the library, only when building Win32 applications.
125 # endif /* DIME_INTERNAL && DIME_DLL */
126 #endif /* DIME_INTERNAL */
127
128 /*
129 On MSWindows platforms, one of these defines must always be set when
130 building application programs:
131
132 - "DIME_DLL", when the application programmer is using the library
133 in the form of a dynamic link library (DLL)
134
135 - "DIME_NOT_DLL", when the application programmer is using the
136 library in the form of a static object library (LIB)
137
138 Note that either DIME_DLL or DIME_NOT_DLL _must_ be defined by the
139 application programmer on MSWindows platforms, or else the #error
140 statement will hit. Set up one or the other of these two defines in
141 your compiler environment according to how the library was built --
142 as a DLL (use "DIME_DLL") or as a LIB (use "DIME_NOT_DLL").
143
144 (Setting up defines for the compiler is typically done by either
145 adding something like "/DDIME_DLL" to the compiler's argument line
146 (for command-line build processes), or by adding the define to the
147 list of preprocessor symbols in your IDE GUI (in the MSVC IDE, this
148 is done from the "Project"->"Settings" menu, choose the "C/C++" tab,
149 then "Preprocessor" from the dropdown box and add the appropriate
150 define)).
151
152 It is extremely important that the application programmer uses the
153 correct define, as using "DIME_NOT_DLL" when "DIME_DLL" is correct
154 will cause mysterious crashes.
155 */
156 /* FIXME: use a feature check to see if this is a platform which can
157 recognize the __declspec keyword instead of the crap #if below.
158 20011201 mortene. */
159 #if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__)
160 # ifdef DIME_INTERNAL
161 # ifdef DIME_MAKE_DLL
162 # define DIME_DLL_API __declspec(dllexport)
163 # endif /* DIME_MAKE_DLL */
164 # else /* !DIME_INTERNAL */
165 # ifdef DIME_DLL
166 # ifdef DIME_NOT_DLL
167 # error Do not define both DIME_DLL and DIME_NOT_DLL at the same time
168 # endif
169 # define DIME_DLL_API __declspec(dllimport)
170 # else /* !DIME_DLL */
171 # ifndef DIME_NOT_DLL
172 # error Define either DIME_DLL or DIME_NOT_DLL as appropriate for your linkage! See dime/Basic.h for further instructions.
173 # endif /* DIME_NOT_DLL */
174 # endif /* !DIME_DLL */
175 # endif /* !DIME_INTERNAL */
176 #endif /* Microsoft Windows */
177
178 /* Empty define to avoid errors when _not_ compiling an MSWindows DLL. */
179 #ifndef DIME_DLL_API
180 # define DIME_DLL_API
181 #endif /* !DIME_DLL_API */
182
183 int DIME_DLL_API dime_isnan(double value);
184 int DIME_DLL_API dime_isinf(double value);
185 int DIME_DLL_API dime_finite(double value);
186
187 /* ********************************************************************** */
188
189 #endif // !DIME_BASIC_H
dimeState
The dimeState class manages various state variables while the model is traversed. ...
Definition: State.h:40
dimeEntity
The dimeEntity class is the superclass of all entity classes.
Definition: Entity.h:60
dimeParam
The dimeParam class is a union of the different parameter types.
Definition: Basic.h:102

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