0.9.6
setup.hpp
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1 
33 #pragma once
34 
35 #include <cassert>
36 #include <cstddef>
37 
39 // Version
40 
41 #define GLM_VERSION 96
42 #define GLM_VERSION_MAJOR 0
43 #define GLM_VERSION_MINOR 9
44 #define GLM_VERSION_PATCH 6
45 #define GLM_VERSION_REVISION 1
46 
48 // Platform
49 
50 #define GLM_PLATFORM_UNKNOWN 0x00000000
51 #define GLM_PLATFORM_WINDOWS 0x00010000
52 #define GLM_PLATFORM_LINUX 0x00020000
53 #define GLM_PLATFORM_APPLE 0x00040000
54 //#define GLM_PLATFORM_IOS 0x00080000
55 #define GLM_PLATFORM_ANDROID 0x00100000
56 #define GLM_PLATFORM_CHROME_NACL 0x00200000
57 #define GLM_PLATFORM_UNIX 0x00400000
58 #define GLM_PLATFORM_QNXNTO 0x00800000
59 #define GLM_PLATFORM_WINCE 0x01000000
60 
61 #ifdef GLM_FORCE_PLATFORM_UNKNOWN
62 # define GLM_PLATFORM GLM_PLATFORM_UNKNOWN
63 #elif defined(__QNXNTO__)
64 # define GLM_PLATFORM GLM_PLATFORM_QNXNTO
65 #elif defined(__APPLE__)
66 # define GLM_PLATFORM GLM_PLATFORM_APPLE
67 #elif defined(WINCE)
68 # define GLM_PLATFORM GLM_PLATFORM_WINCE
69 #elif defined(_WIN32)
70 # define GLM_PLATFORM GLM_PLATFORM_WINDOWS
71 #elif defined(__native_client__)
72 # define GLM_PLATFORM GLM_PLATFORM_CHROME_NACL
73 #elif defined(__ANDROID__)
74 # define GLM_PLATFORM GLM_PLATFORM_ANDROID
75 #elif defined(__linux)
76 # define GLM_PLATFORM GLM_PLATFORM_LINUX
77 #elif defined(__unix)
78 # define GLM_PLATFORM GLM_PLATFORM_UNIX
79 #else
80 # define GLM_PLATFORM GLM_PLATFORM_UNKNOWN
81 #endif//
82 
83 // Report platform detection
84 #if(defined(GLM_MESSAGES) && !defined(GLM_MESSAGE_PLATFORM_DISPLAYED))
85 # define GLM_MESSAGE_PLATFORM_DISPLAYED
86 # if(GLM_PLATFORM & GLM_PLATFORM_QNXNTO)
87 # pragma message("GLM: QNX platform detected")
88 //# elif(GLM_PLATFORM & GLM_PLATFORM_IOS)
89 //# pragma message("GLM: iOS platform detected")
90 # elif(GLM_PLATFORM & GLM_PLATFORM_APPLE)
91 # pragma message("GLM: Apple platform detected")
92 # elif(GLM_PLATFORM & GLM_PLATFORM_WINCE)
93 # pragma message("GLM: WinCE platform detected")
94 # elif(GLM_PLATFORM & GLM_PLATFORM_WINDOWS)
95 # pragma message("GLM: Windows platform detected")
96 # elif(GLM_PLATFORM & GLM_PLATFORM_CHROME_NACL)
97 # pragma message("GLM: Native Client detected")
98 # elif(GLM_PLATFORM & GLM_PLATFORM_ANDROID)
99 # pragma message("GLM: Android platform detected")
100 # elif(GLM_PLATFORM & GLM_PLATFORM_LINUX)
101 # pragma message("GLM: Linux platform detected")
102 # elif(GLM_PLATFORM & GLM_PLATFORM_UNIX)
103 # pragma message("GLM: UNIX platform detected")
104 # elif(GLM_PLATFORM & GLM_PLATFORM_UNKNOWN)
105 # pragma message("GLM: platform unknown")
106 # else
107 # pragma message("GLM: platform not detected")
108 # endif
109 #endif//GLM_MESSAGE
110 
112 // Compiler
113 
114 // User defines: GLM_FORCE_COMPILER_UNKNOWN
115 // TODO ? __llvm__
116 
117 #define GLM_COMPILER_UNKNOWN 0x00000000
118 
119 // Intel
120 #define GLM_COMPILER_INTEL 0x00100000
121 #define GLM_COMPILER_INTEL12 0x00100010
122 #define GLM_COMPILER_INTEL12_1 0x00100020
123 #define GLM_COMPILER_INTEL13 0x00100030
124 #define GLM_COMPILER_INTEL14 0x00100040
125 #define GLM_COMPILER_INTEL15 0x00100050
126 
127 // Visual C++ defines
128 #define GLM_COMPILER_VC 0x01000000
129 #define GLM_COMPILER_VC2010 0x01000090
130 #define GLM_COMPILER_VC2012 0x010000A0
131 #define GLM_COMPILER_VC2013 0x010000B0
132 #define GLM_COMPILER_VC2015 0x010000C0
133 
134 // GCC defines
135 #define GLM_COMPILER_GCC 0x02000000
136 #define GLM_COMPILER_GCC44 0x020000B0
137 #define GLM_COMPILER_GCC45 0x020000C0
138 #define GLM_COMPILER_GCC46 0x020000D0
139 #define GLM_COMPILER_GCC47 0x020000E0
140 #define GLM_COMPILER_GCC48 0x020000F0
141 #define GLM_COMPILER_GCC49 0x02000100
142 #define GLM_COMPILER_GCC50 0x02000200
143 
144 // CUDA
145 #define GLM_COMPILER_CUDA 0x10000000
146 #define GLM_COMPILER_CUDA40 0x10000040
147 #define GLM_COMPILER_CUDA41 0x10000050
148 #define GLM_COMPILER_CUDA42 0x10000060
149 #define GLM_COMPILER_CUDA50 0x10000070
150 #define GLM_COMPILER_CUDA60 0x10000080
151 #define GLM_COMPILER_CUDA65 0x10000090
152 
153 // LLVM
154 #define GLM_COMPILER_LLVM 0x20000000
155 #define GLM_COMPILER_LLVM32 0x20000030
156 #define GLM_COMPILER_LLVM33 0x20000040
157 #define GLM_COMPILER_LLVM34 0x20000050
158 #define GLM_COMPILER_LLVM35 0x20000060
159 
160 // Apple Clang
161 #define GLM_COMPILER_APPLE_CLANG 0x40000000
162 #define GLM_COMPILER_APPLE_CLANG40 0x40000010
163 #define GLM_COMPILER_APPLE_CLANG41 0x40000020
164 #define GLM_COMPILER_APPLE_CLANG42 0x40000030
165 #define GLM_COMPILER_APPLE_CLANG50 0x40000040
166 #define GLM_COMPILER_APPLE_CLANG51 0x40000050
167 #define GLM_COMPILER_APPLE_CLANG60 0x40000060
168 
169 // Build model
170 #define GLM_MODEL_32 0x00000010
171 #define GLM_MODEL_64 0x00000020
172 
173 // Force generic C++ compiler
174 #ifdef GLM_FORCE_COMPILER_UNKNOWN
175 # define GLM_COMPILER GLM_COMPILER_UNKNOWN
176 
177 #elif defined(__INTEL_COMPILER)
178 # if __INTEL_COMPILER == 1200
179 # define GLM_COMPILER GLM_COMPILER_INTEL12
180 # elif __INTEL_COMPILER == 1210
181 # define GLM_COMPILER GLM_COMPILER_INTEL12_1
182 # elif __INTEL_COMPILER == 1300
183 # define GLM_COMPILER GLM_COMPILER_INTEL13
184 # elif __INTEL_COMPILER == 1400
185 # define GLM_COMPILER GLM_COMPILER_INTEL14
186 # elif __INTEL_COMPILER >= 1500
187 # define GLM_COMPILER GLM_COMPILER_INTEL15
188 # else
189 # define GLM_COMPILER GLM_COMPILER_INTEL
190 # endif
191 
192 // CUDA
193 #elif defined(__CUDACC__)
194 # if !defined(CUDA_VERSION) && !defined(GLM_FORCE_CUDA)
195 # include <cuda.h> // make sure version is defined since nvcc does not define it itself!
196 # endif
197 # if CUDA_VERSION < 3000
198 # error "GLM requires CUDA 3.0 or higher"
199 # else
200 # define GLM_COMPILER GLM_COMPILER_CUDA
201 # endif
202 
203 // Visual C++
204 #elif defined(_MSC_VER)
205 # if _MSC_VER < 1600
206 # error "GLM requires Visual C++ 2010 or higher"
207 # elif _MSC_VER == 1600
208 # define GLM_COMPILER GLM_COMPILER_VC2010
209 # elif _MSC_VER == 1700
210 # define GLM_COMPILER GLM_COMPILER_VC2012
211 # elif _MSC_VER == 1800
212 # define GLM_COMPILER GLM_COMPILER_VC2013
213 # elif _MSC_VER >= 1900
214 # define GLM_COMPILER GLM_COMPILER_VC2015
215 # else//_MSC_VER
216 # define GLM_COMPILER GLM_COMPILER_VC
217 # endif//_MSC_VER
218 
219 // Clang
220 #elif defined(__clang__)
221 # if GLM_PLATFORM & GLM_PLATFORM_APPLE
222 # if __clang_major__ == 4 && __clang_minor__ == 0
223 # define GLM_COMPILER GLM_COMPILER_APPLE_CLANG40
224 # elif __clang_major__ == 4 && __clang_minor__ == 1
225 # define GLM_COMPILER GLM_COMPILER_APPLE_CLANG41
226 # elif __clang_major__ == 4 && __clang_minor__ == 2
227 # define GLM_COMPILER GLM_COMPILER_APPLE_CLANG42
228 # elif __clang_major__ == 5 && __clang_minor__ == 0
229 # define GLM_COMPILER GLM_COMPILER_APPLE_CLANG50
230 # elif __clang_major__ == 5 && __clang_minor__ == 1
231 # define GLM_COMPILER GLM_COMPILER_APPLE_CLANG51
232 # elif __clang_major__ >= 6
233 # define GLM_COMPILER GLM_COMPILER_APPLE_CLANG60
234 # endif
235 # else
236 # if __clang_major__ == 3 && __clang_minor__ == 0
237 # define GLM_COMPILER GLM_COMPILER_LLVM30
238 # elif __clang_major__ == 3 && __clang_minor__ == 1
239 # define GLM_COMPILER GLM_COMPILER_LLVM31
240 # elif __clang_major__ == 3 && __clang_minor__ == 2
241 # define GLM_COMPILER GLM_COMPILER_LLVM32
242 # elif __clang_major__ == 3 && __clang_minor__ == 3
243 # define GLM_COMPILER GLM_COMPILER_LLVM33
244 # elif __clang_major__ == 3 && __clang_minor__ == 4
245 # define GLM_COMPILER GLM_COMPILER_LLVM34
246 # elif __clang_major__ == 3 && __clang_minor__ == 5
247 # define GLM_COMPILER GLM_COMPILER_LLVM35
248 # else
249 # define GLM_COMPILER GLM_COMPILER_LLVM35
250 # endif
251 # endif
252 
253 // G++
254 #elif defined(__GNUC__) || defined(__MINGW32__)
255 # if (__GNUC__ == 4) && (__GNUC_MINOR__ == 2)
256 # define GLM_COMPILER (GLM_COMPILER_GCC42)
257 # elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 3)
258 # define GLM_COMPILER (GLM_COMPILER_GCC43)
259 # elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 4)
260 # define GLM_COMPILER (GLM_COMPILER_GCC44)
261 # elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 5)
262 # define GLM_COMPILER (GLM_COMPILER_GCC45)
263 # elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 6)
264 # define GLM_COMPILER (GLM_COMPILER_GCC46)
265 # elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 7)
266 # define GLM_COMPILER (GLM_COMPILER_GCC47)
267 # elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 8)
268 # define GLM_COMPILER (GLM_COMPILER_GCC48)
269 # elif (__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)
270 # define GLM_COMPILER (GLM_COMPILER_GCC49)
271 # elif (__GNUC__ > 4 )
272 # define GLM_COMPILER (GLM_COMPILER_GCC50)
273 # else
274 # define GLM_COMPILER (GLM_COMPILER_GCC)
275 # endif
276 
277 #else
278 # define GLM_COMPILER GLM_COMPILER_UNKNOWN
279 #endif
280 
281 #ifndef GLM_COMPILER
282 #error "GLM_COMPILER undefined, your compiler may not be supported by GLM. Add #define GLM_COMPILER 0 to ignore this message."
283 #endif//GLM_COMPILER
284 
285 // Report compiler detection
286 #if defined(GLM_MESSAGES) && !defined(GLM_MESSAGE_COMPILER_DISPLAYED)
287 # define GLM_MESSAGE_COMPILER_DISPLAYED
288 # if GLM_COMPILER & GLM_COMPILER_CUDA
289 # pragma message("GLM: CUDA compiler detected")
290 # elif GLM_COMPILER & GLM_COMPILER_VC
291 # pragma message("GLM: Visual C++ compiler detected")
292 # elif GLM_COMPILER & GLM_COMPILER_APPLE_CLANG
293 # pragma message("GLM: Clang compiler detected")
294 # elif GLM_COMPILER & GLM_COMPILER_LLVM
295 # pragma message("GLM: LLVM compiler detected")
296 # elif GLM_COMPILER & GLM_COMPILER_INTEL
297 # pragma message("GLM: Intel Compiler detected")
298 # elif GLM_COMPILER & GLM_COMPILER_GCC
299 # pragma message("GLM: GCC compiler detected")
300 # else
301 # pragma message("GLM: Compiler not detected")
302 # endif
303 #endif//GLM_MESSAGE
304 
306 // Build model
307 
308 #if defined(__arch64__) || defined(__LP64__) || defined(_M_X64) || defined(__ppc64__) || defined(__x86_64__)
309 # define GLM_MODEL GLM_MODEL_64
310 #elif defined(__i386__) || defined(__ppc__)
311 # define GLM_MODEL GLM_MODEL_32
312 #else
313 # define GLM_MODEL GLM_MODEL_32
314 #endif//
315 
316 #if !defined(GLM_MODEL) && GLM_COMPILER != 0
317 # error "GLM_MODEL undefined, your compiler may not be supported by GLM. Add #define GLM_MODEL 0 to ignore this message."
318 #endif//GLM_MODEL
319 
320 #if defined(GLM_MESSAGES) && !defined(GLM_MESSAGE_MODEL_DISPLAYED)
321 # define GLM_MESSAGE_MODEL_DISPLAYED
322 # if(GLM_MODEL == GLM_MODEL_64)
323 # pragma message("GLM: 64 bits model")
324 # elif(GLM_MODEL == GLM_MODEL_32)
325 # pragma message("GLM: 32 bits model")
326 # endif//GLM_MODEL
327 #endif//GLM_MESSAGE
328 
330 // C++ Version
331 
332 // User defines: GLM_FORCE_CXX98, GLM_FORCE_CXX03, GLM_FORCE_CXX11, GLM_FORCE_CXX14
333 
334 #define GLM_LANG_CXX98_FLAG (1 << 1)
335 #define GLM_LANG_CXX03_FLAG (1 << 2)
336 #define GLM_LANG_CXX0X_FLAG (1 << 3)
337 #define GLM_LANG_CXX11_FLAG (1 << 4)
338 #define GLM_LANG_CXX1Y_FLAG (1 << 5)
339 #define GLM_LANG_CXX14_FLAG (1 << 6)
340 #define GLM_LANG_CXX1Z_FLAG (1 << 7)
341 #define GLM_LANG_CXXMS_FLAG (1 << 8)
342 #define GLM_LANG_CXXGNU_FLAG (1 << 9)
343 
344 #define GLM_LANG_CXX98 GLM_LANG_CXX98_FLAG
345 #define GLM_LANG_CXX03 (GLM_LANG_CXX98 | GLM_LANG_CXX03_FLAG)
346 #define GLM_LANG_CXX0X (GLM_LANG_CXX03 | GLM_LANG_CXX0X_FLAG)
347 #define GLM_LANG_CXX11 (GLM_LANG_CXX0X | GLM_LANG_CXX11_FLAG)
348 #define GLM_LANG_CXX1Y (GLM_LANG_CXX11 | GLM_LANG_CXX1Y_FLAG)
349 #define GLM_LANG_CXX14 (GLM_LANG_CXX1Y | GLM_LANG_CXX14_FLAG)
350 #define GLM_LANG_CXX1Z (GLM_LANG_CXX14 | GLM_LANG_CXX1Z_FLAG)
351 #define GLM_LANG_CXXMS GLM_LANG_CXXMS_FLAG
352 #define GLM_LANG_CXXGNU GLM_LANG_CXXGNU_FLAG
353 
354 #if defined(GLM_FORCE_CXX14)
355 # undef GLM_FORCE_CXX11
356 # undef GLM_FORCE_CXX03
357 # undef GLM_FORCE_CXX98
358 # define GLM_LANG GLM_LANG_CXX14
359 #elif defined(GLM_FORCE_CXX11)
360 # undef GLM_FORCE_CXX03
361 # undef GLM_FORCE_CXX98
362 # define GLM_LANG GLM_LANG_CXX11
363 #elif defined(GLM_FORCE_CXX03)
364 # undef GLM_FORCE_CXX98
365 # define GLM_LANG GLM_LANG_CXX03
366 #elif defined(GLM_FORCE_CXX98)
367 # define GLM_LANG GLM_LANG_CXX98
368 #else
369 # if GLM_COMPILER & (GLM_COMPILER_APPLE_CLANG | GLM_COMPILER_LLVM)
370 # if __cplusplus >= 201402L // GLM_COMPILER_LLVM34 + -std=c++14
371 # define GLM_LANG GLM_LANG_CXX14
372 # elif __has_feature(cxx_decltype_auto) && __has_feature(cxx_aggregate_nsdmi) // GLM_COMPILER_LLVM33 + -std=c++1y
373 # define GLM_LANG GLM_LANG_CXX1Y
374 # elif __cplusplus >= 201103L // GLM_COMPILER_LLVM33 + -std=c++11
375 # define GLM_LANG GLM_LANG_CXX11
376 # elif __has_feature(cxx_static_assert) // GLM_COMPILER_LLVM29 + -std=c++11
377 # define GLM_LANG GLM_LANG_CXX0X
378 # elif __cplusplus >= 199711L
379 # define GLM_LANG GLM_LANG_CXX98
380 # else
381 # define GLM_LANG GLM_LANG_CXX
382 # endif
383 # elif GLM_COMPILER & GLM_COMPILER_GCC
384 # if __cplusplus >= 201402L
385 # define GLM_LANG GLM_LANG_CXX14
386 # elif __cplusplus >= 201103L
387 # define GLM_LANG GLM_LANG_CXX11
388 # elif defined(__GXX_EXPERIMENTAL_CXX0X__)
389 # define GLM_LANG GLM_LANG_CXX0X
390 # else
391 # define GLM_LANG GLM_LANG_CXX98
392 # endif
393 # elif GLM_COMPILER & GLM_COMPILER_VC
394 # ifdef _MSC_EXTENSIONS
395 # if __cplusplus >= 201402L
396 # define GLM_LANG (GLM_LANG_CXX14 | GLM_LANG_CXXMS_FLAG)
397 //# elif GLM_COMPILER >= GLM_COMPILER_VC2015
398 //# define GLM_LANG (GLM_LANG_CXX1Y | GLM_LANG_CXXMS_FLAG)
399 # elif __cplusplus >= 201103L
400 # define GLM_LANG (GLM_LANG_CXX11 | GLM_LANG_CXXMS_FLAG)
401 # elif GLM_COMPILER >= GLM_COMPILER_VC2010
402 # define GLM_LANG (GLM_LANG_CXX0X | GLM_LANG_CXXMS_FLAG)
403 # elif __cplusplus >= 199711L
404 # define GLM_LANG (GLM_LANG_CXX98 | GLM_LANG_CXXMS_FLAG)
405 # else
406 # define GLM_LANG (GLM_LANG_CXX | GLM_LANG_CXXMS_FLAG)
407 # endif
408 # else
409 # if __cplusplus >= 201402L
410 # define GLM_LANG GLM_LANG_CXX14
411 //# elif GLM_COMPILER >= GLM_COMPILER_VC2015
412 //# define GLM_LANG GLM_LANG_CXX1Y
413 # elif __cplusplus >= 201103L
414 # define GLM_LANG GLM_LANG_CXX11
415 # elif GLM_COMPILER >= GLM_COMPILER_VC2010
416 # define GLM_LANG GLM_LANG_CXX0X
417 # elif __cplusplus >= 199711L
418 # define GLM_LANG GLM_LANG_CXX98
419 # else
420 # define GLM_LANG GLM_LANG_CXX
421 # endif
422 # endif
423 # elif GLM_COMPILER & GLM_COMPILER_INTEL
424 # ifdef _MSC_EXTENSIONS
425 # if __cplusplus >= 201402L
426 # define GLM_LANG (GLM_LANG_CXX14 | GLM_LANG_CXXMS_FLAG)
427 # elif __cplusplus >= 201103L
428 # define GLM_LANG (GLM_LANG_CXX11 | GLM_LANG_CXXMS_FLAG)
429 # elif GLM_COMPILER >= GLM_COMPILER_INTEL13
430 # define GLM_LANG (GLM_LANG_CXX0X | GLM_LANG_CXXMS_FLAG)
431 # elif __cplusplus >= 199711L
432 # define GLM_LANG (GLM_LANG_CXX98 | GLM_LANG_CXXMS_FLAG)
433 # else
434 # define GLM_LANG (GLM_LANG_CXX | GLM_LANG_CXXMS_FLAG)
435 # endif
436 # else
437 # if __cplusplus >= 201402L
438 # define GLM_LANG (GLM_LANG_CXX14 | GLM_LANG_CXXMS_FLAG)
439 # elif __cplusplus >= 201103L
440 # define GLM_LANG (GLM_LANG_CXX11 | GLM_LANG_CXXMS_FLAG)
441 # elif GLM_COMPILER >= GLM_COMPILER_INTEL13
442 # define GLM_LANG (GLM_LANG_CXX0X | GLM_LANG_CXXMS_FLAG)
443 # elif __cplusplus >= 199711L
444 # define GLM_LANG (GLM_LANG_CXX98 | GLM_LANG_CXXMS_FLAG)
445 # else
446 # define GLM_LANG (GLM_LANG_CXX | GLM_LANG_CXXMS_FLAG)
447 # endif
448 # endif
449 # else // Unkown compiler
450 # if __cplusplus >= 201402L
451 # define GLM_LANG GLM_LANG_CXX14
452 # elif __cplusplus >= 201103L
453 # define GLM_LANG GLM_LANG_CXX11
454 # elif __cplusplus >= 199711L
455 # define GLM_LANG GLM_LANG_CXX98
456 # else
457 # define GLM_LANG GLM_LANG_CXX // Good luck with that!
458 # endif
459 # ifndef GLM_FORCE_PURE
460 # define GLM_FORCE_PURE
461 # endif
462 # endif
463 #endif
464 
465 #if defined(GLM_MESSAGES) && !defined(GLM_MESSAGE_LANG_DISPLAYED)
466 # define GLM_MESSAGE_LANG_DISPLAYED
467 
468 # if GLM_LANG & GLM_LANG_CXX1Z_FLAG
469 # pragma message("GLM: C++1z")
470 # elif GLM_LANG & GLM_LANG_CXX14_FLAG
471 # pragma message("GLM: C++14")
472 # elif GLM_LANG & GLM_LANG_CXX1Y_FLAG
473 # pragma message("GLM: C++1y")
474 # elif GLM_LANG & GLM_LANG_CXX11_FLAG
475 # pragma message("GLM: C++11")
476 # elif GLM_LANG & GLM_LANG_CXX0X_FLAG
477 # pragma message("GLM: C++0x")
478 # elif GLM_LANG & GLM_LANG_CXX03_FLAG
479 # pragma message("GLM: C++03")
480 # elif GLM_LANG & GLM_LANG_CXX98_FLAG
481 # pragma message("GLM: C++98")
482 # else
483 # pragma message("GLM: C++ language undetected")
484 # endif//GLM_LANG
485 
486 # if GLM_LANG & (GLM_LANG_CXXGNU_FLAG | GLM_LANG_CXXMS_FLAG)
487 # pragma message("GLM: Language extensions enabled")
488 # endif//GLM_LANG
489 #endif//GLM_MESSAGE
490 
492 // Has of C++ features
493 
494 #ifndef __has_include
495 # define __has_include(x) 0 // Compatibility with non-clang compilers.
496 #endif
497 #ifndef __has_feature
498 # define __has_feature(x) 0 // Compatibility with non-clang compilers.
499 #endif
500 #ifndef __has_extension
501 # define __has_extension __has_feature // Compatibility with pre-3.0 compilers.
502 #endif
503 
504 // http://clang.llvm.org/cxx_status.html
505 // http://gcc.gnu.org/projects/cxx0x.html
506 // http://msdn.microsoft.com/en-us/library/vstudio/hh567368(v=vs.120).aspx
507 
508 // N1720
509 #define GLM_HAS_CXX11_STL !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ((GLM_PLATFORM != GLM_PLATFORM_ANDROID) && (\
510  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC48)) || \
511  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2013)) || \
512  __has_include(<__config>)))
513 
514 // N1720
515 #define GLM_HAS_STATIC_ASSERT !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
516  (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
517  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2010)) || \
518  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC43)) || \
519  __has_feature(cxx_static_assert))
520 
521 // N1988
522 #define GLM_HAS_EXTENDED_INTEGER_TYPE !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
523  (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
524  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2012)) || \
525  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC43)) || \
526  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_LLVM) && (GLM_COMPILER >= GLM_COMPILER_LLVM30)) || \
527  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_APPLE_CLANG) && (GLM_COMPILER >= GLM_COMPILER_APPLE_CLANG40)))
528 
529 // N2235
530 #define GLM_HAS_CONSTEXPR !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
531  (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
532  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC46)) || \
533  __has_feature(cxx_constexpr))
534 
535 // N2672
536 #define GLM_HAS_INITIALIZER_LISTS !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
537  (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
538  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && ((GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2013))) || \
539  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC44)) || \
540  __has_feature(cxx_generalized_initializers))
541 
542 // N2544 Unrestricted unions
543 #define GLM_HAS_UNRESTRICTED_UNIONS !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
544  (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
545  (GLM_LANG & GLM_LANG_CXXMS_FLAG) || \
546  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC46)) || \
547  __has_feature(cxx_unrestricted_unions))
548 
549 // N2346
550 #define GLM_HAS_DEFAULTED_FUNCTIONS !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
551  (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
552  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2013)) || \
553  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC44)) || \
554  __has_feature(cxx_defaulted_functions))
555 
556 // N2118
557 #define GLM_HAS_RVALUE_REFERENCES !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
558  (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
559  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2012)) || \
560  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC43)) || \
561  __has_feature(cxx_rvalue_references))
562 
563 // N2437
564 #define GLM_HAS_EXPLICIT_CONVERSION_OPERATORS !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
565  (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
566  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2013)) || \
567  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_INTEL) && (GLM_COMPILER >= GLM_COMPILER_INTEL14)) || \
568  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC45)) || \
569  __has_feature(cxx_explicit_conversions))
570 
571 #define GLM_HAS_STL_ARRAY !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
572  (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
573  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2010)) || \
574  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC43)))
575 
576 #define GLM_HAS_TEMPLATE_ALIASES !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
577  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && ((GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2013))) || \
578  __has_feature(cxx_alias_templates))
579 
580 #define GLM_HAS_RANGE_FOR !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
581  (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
582  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2012)) || \
583  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC46)) || \
584  __has_feature(cxx_range_for))
585 
586 #define GLM_HAS_ASSIGNABLE !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
587  (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
588  ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC49)))
589 
590 #define GLM_HAS_TRIVIAL_QUERIES !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
591  ((GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2013)))
592 
593 #define GLM_HAS_MAKE_SIGNED !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
594  (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
595  ((GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2013)))
596 
597 #define GLM_HAS_BITSCAN_WINDOWS ( \
598  (GLM_ARCH != GLM_ARCH_PURE) && \
599  (GLM_PLATFORM & GLM_PLATFORM_WINDOWS) && \
600  (GLM_COMPILER & (GLM_COMPILER_VC | GLM_COMPILER_LLVM | GLM_COMPILER_INTEL)))
601 
602 // OpenMP
603 #ifdef _OPENMP
604 # if GLM_COMPILER & GLM_COMPILER_GCC
605 # if GLM_COMPILER >= GLM_COMPILER_GCC47
606 # define GLM_HAS_OPENMP 31
607 # elif GLM_COMPILER >= GLM_COMPILER_GCC44
608 # define GLM_HAS_OPENMP 30
609 # elif GLM_COMPILER >= GLM_COMPILER_GCC42
610 # define GLM_HAS_OPENMP 25
611 # endif
612 # endif// GLM_COMPILER & GLM_COMPILER_GCC
613 
614 # if GLM_COMPILER & GLM_COMPILER_VC
615 # if GLM_COMPILER >= GLM_COMPILER_VC2010
616 # define GLM_HAS_OPENMP 20
617 # endif
618 # endif// GLM_COMPILER & GLM_COMPILER_VC
619 #endif
620 
621 // Not standard
622 #define GLM_HAS_ANONYMOUS_UNION !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && (GLM_LANG & GLM_LANG_CXXMS_FLAG)
623 
625 // Platform
626 
627 // User defines: GLM_FORCE_PURE GLM_FORCE_SSE2 GLM_FORCE_SSE3 GLM_FORCE_AVX GLM_FORCE_AVX2
628 
629 #define GLM_ARCH_PURE 0x0000
630 #define GLM_ARCH_X86 0x0001
631 #define GLM_ARCH_SSE2 0x0002
632 #define GLM_ARCH_SSE3 0x0004
633 #define GLM_ARCH_SSE4 0x0008
634 #define GLM_ARCH_AVX 0x0010
635 #define GLM_ARCH_AVX2 0x0020
636 
637 #if defined(GLM_FORCE_PURE)
638 # define GLM_ARCH GLM_ARCH_PURE
639 #elif defined(GLM_FORCE_AVX2)
640 # define GLM_ARCH (GLM_ARCH_AVX2 | GLM_ARCH_AVX | GLM_ARCH_SSE4 | GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
641 #elif defined(GLM_FORCE_AVX)
642 # define GLM_ARCH (GLM_ARCH_AVX | GLM_ARCH_SSE4 | GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
643 #elif defined(GLM_FORCE_SSE4)
644 # define GLM_ARCH (GLM_ARCH_SSE4 | GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
645 #elif defined(GLM_FORCE_SSE3)
646 # define GLM_ARCH (GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
647 #elif defined(GLM_FORCE_SSE2)
648 # define GLM_ARCH (GLM_ARCH_SSE2)
649 #elif (GLM_COMPILER & (GLM_COMPILER_APPLE_CLANG | GLM_COMPILER_LLVM | GLM_COMPILER_GCC)) || ((GLM_COMPILER & GLM_COMPILER_INTEL) && (GLM_PLATFORM & GLM_PLATFORM_LINUX))
650 # if(__AVX2__)
651 # define GLM_ARCH (GLM_ARCH_AVX2 | GLM_ARCH_AVX | GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
652 # elif(__AVX__)
653 # define GLM_ARCH (GLM_ARCH_AVX | GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
654 # elif(__SSE3__)
655 # define GLM_ARCH (GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
656 # elif(__SSE2__)
657 # define GLM_ARCH (GLM_ARCH_SSE2)
658 # else
659 # define GLM_ARCH GLM_ARCH_PURE
660 # endif
661 #elif (GLM_COMPILER & GLM_COMPILER_VC) || ((GLM_COMPILER & GLM_COMPILER_INTEL) && (GLM_PLATFORM & GLM_PLATFORM_WINDOWS))
662 # if defined(__AVX2__)
663 # define GLM_ARCH (GLM_ARCH_AVX2 | GLM_ARCH_AVX | GLM_ARCH_SSE4 | GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
664 # elif defined(__AVX__)
665 # define GLM_ARCH (GLM_ARCH_AVX | GLM_ARCH_SSE4 | GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
666 # elif _M_IX86_FP == 2
667 # define GLM_ARCH (GLM_ARCH_SSE2)
668 # else
669 # define GLM_ARCH (GLM_ARCH_PURE)
670 # endif
671 #elif (GLM_COMPILER & GLM_COMPILER_GCC) && (defined(__i386__) || defined(__x86_64__))
672 # if defined(__AVX2__)
673 # define GLM_ARCH (GLM_ARCH_AVX2 | GLM_ARCH_AVX | GLM_ARCH_SSE4 | GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
674 # elif defined(__AVX__)
675 # define GLM_ARCH (GLM_ARCH_AVX | GLM_ARCH_SSE4 | GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
676 # elif defined(__SSE4_1__ )
677 # define GLM_ARCH (GLM_ARCH_SSE4 | GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
678 # elif defined(__SSE3__)
679 # define GLM_ARCH (GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
680 # elif defined(__SSE2__)
681 # define GLM_ARCH (GLM_ARCH_SSE2)
682 # else
683 # define GLM_ARCH (GLM_ARCH_PURE)
684 # endif
685 #else
686 # define GLM_ARCH GLM_ARCH_PURE
687 #endif
688 
689 // With MinGW-W64, including intrinsic headers before intrin.h will produce some errors. The problem is
690 // that windows.h (and maybe other headers) will silently include intrin.h, which of course causes problems.
691 // To fix, we just explicitly include intrin.h here.
692 #if defined(__MINGW32__) && (GLM_ARCH != GLM_ARCH_PURE)
693 # include <intrin.h>
694 #endif
695 
696 #if GLM_ARCH & GLM_ARCH_AVX2
697 # include <immintrin.h>
698 #endif//GLM_ARCH
699 #if GLM_ARCH & GLM_ARCH_AVX
700 # include <immintrin.h>
701 #endif//GLM_ARCH
702 #if GLM_ARCH & GLM_ARCH_SSE4
703 # include <smmintrin.h>
704 #endif//GLM_ARCH
705 #if GLM_ARCH & GLM_ARCH_SSE3
706 # include <pmmintrin.h>
707 #endif//GLM_ARCH
708 #if GLM_ARCH & GLM_ARCH_SSE2
709 # include <emmintrin.h>
710 # if(GLM_COMPILER == GLM_COMPILER_VC2005) // VC2005 is missing some intrinsics, workaround
711  inline float _mm_cvtss_f32(__m128 A) { return A.m128_f32[0]; }
712  inline __m128 _mm_castpd_ps(__m128d PD) { union { __m128 ps; __m128d pd; } c; c.pd = PD; return c.ps; }
713  inline __m128d _mm_castps_pd(__m128 PS) { union { __m128 ps; __m128d pd; } c; c.ps = PS; return c.pd; }
714  inline __m128i _mm_castps_si128(__m128 PS) { union { __m128 ps; __m128i pi; } c; c.ps = PS; return c.pi; }
715  inline __m128 _mm_castsi128_ps(__m128i PI) { union { __m128 ps; __m128i pi; } c; c.pi = PI; return c.ps; }
716 # endif
717 #endif//GLM_ARCH
718 
719 #if defined(GLM_MESSAGES) && !defined(GLM_MESSAGE_ARCH_DISPLAYED)
720 # define GLM_MESSAGE_ARCH_DISPLAYED
721 # if(GLM_ARCH == GLM_ARCH_PURE)
722 # pragma message("GLM: Platform independent code")
723 # elif(GLM_ARCH & GLM_ARCH_AVX2)
724 # pragma message("GLM: AVX2 instruction set")
725 # elif(GLM_ARCH & GLM_ARCH_AVX)
726 # pragma message("GLM: AVX instruction set")
727 # elif(GLM_ARCH & GLM_ARCH_SSE3)
728 # pragma message("GLM: SSE3 instruction set")
729 # elif(GLM_ARCH & GLM_ARCH_SSE2)
730 # pragma message("GLM: SSE2 instruction set")
731 # endif//GLM_ARCH
732 #endif//GLM_MESSAGE
733 
735 // Static assert
736 
737 #if GLM_HAS_STATIC_ASSERT
738 # define GLM_STATIC_ASSERT(x, message) static_assert(x, message)
739 #elif defined(BOOST_STATIC_ASSERT)
740 # define GLM_STATIC_ASSERT(x, message) BOOST_STATIC_ASSERT(x)
741 #elif GLM_COMPILER & GLM_COMPILER_VC
742 # define GLM_STATIC_ASSERT(x, message) typedef char __CASSERT__##__LINE__[(x) ? 1 : -1]
743 #else
744 # define GLM_STATIC_ASSERT(x, message)
745 # define GLM_STATIC_ASSERT_NULL
746 #endif//GLM_LANG
747 
749 // Qualifiers
750 
751 #if GLM_COMPILER & GLM_COMPILER_CUDA
752 # define GLM_CUDA_FUNC_DEF __device__ __host__
753 # define GLM_CUDA_FUNC_DECL __device__ __host__
754 #else
755 # define GLM_CUDA_FUNC_DEF
756 # define GLM_CUDA_FUNC_DECL
757 #endif
758 
759 #if GLM_COMPILER & GLM_COMPILER_GCC
760 # define GLM_VAR_USED __attribute__ ((unused))
761 #else
762 # define GLM_VAR_USED
763 #endif
764 
765 #if defined(GLM_FORCE_INLINE)
766 # if GLM_COMPILER & GLM_COMPILER_VC
767 # define GLM_INLINE __forceinline
768 # define GLM_NEVER_INLINE __declspec((noinline))
769 # elif GLM_COMPILER & GLM_COMPILER_GCC
770 # define GLM_INLINE inline __attribute__((__always_inline__))
771 # define GLM_NEVER_INLINE __attribute__((__noinline__))
772 # elif GLM_COMPILER & (GLM_COMPILER_APPLE_CLANG | GLM_COMPILER_LLVM)
773 # define GLM_INLINE __attribute__((__always_inline__))
774 # define GLM_NEVER_INLINE __attribute__((__noinline__))
775 # else
776 # define GLM_INLINE inline
777 # define GLM_NEVER_INLINE
778 # endif//GLM_COMPILER
779 #else
780 # define GLM_INLINE inline
781 # define GLM_NEVER_INLINE
782 #endif//defined(GLM_FORCE_INLINE)
783 
784 #define GLM_FUNC_DECL GLM_CUDA_FUNC_DECL
785 #define GLM_FUNC_QUALIFIER GLM_CUDA_FUNC_DEF GLM_INLINE
786 
788 // Swizzle operators
789 
790 // User defines: GLM_SWIZZLE
791 
792 #if defined(GLM_MESSAGES) && !defined(GLM_MESSAGE_SWIZZLE_DISPLAYED)
793 # define GLM_MESSAGE_SWIZZLE_DISPLAYED
794 # if defined(GLM_SWIZZLE)
795 # pragma message("GLM: Swizzling operators enabled")
796 # else
797 # pragma message("GLM: Swizzling operators disabled, #define GLM_SWIZZLE to enable swizzle operators")
798 # endif
799 #endif//GLM_MESSAGE
800 
802 // Qualifiers
803 
804 #if (GLM_COMPILER & GLM_COMPILER_VC) || ((GLM_COMPILER & GLM_COMPILER_INTEL) && (GLM_PLATFORM & GLM_PLATFORM_WINDOWS))
805 # define GLM_DEPRECATED __declspec(deprecated)
806 # define GLM_ALIGN(x) __declspec(align(x))
807 # define GLM_ALIGNED_STRUCT(x) struct __declspec(align(x))
808 # define GLM_ALIGNED_TYPEDEF(type, name, alignment) typedef __declspec(align(alignment)) type name
809 # define GLM_RESTRICT __declspec(restrict)
810 # define GLM_RESTRICT_VAR __restrict
811 #elif GLM_COMPILER & (GLM_COMPILER_GCC | GLM_COMPILER_APPLE_CLANG | GLM_COMPILER_LLVM | GLM_COMPILER_CUDA | GLM_COMPILER_INTEL)
812 # define GLM_DEPRECATED __attribute__((__deprecated__))
813 # define GLM_ALIGN(x) __attribute__((aligned(x)))
814 # define GLM_ALIGNED_STRUCT(x) struct __attribute__((aligned(x)))
815 # define GLM_ALIGNED_TYPEDEF(type, name, alignment) typedef type name __attribute__((aligned(alignment)))
816 # define GLM_RESTRICT __restrict__
817 # define GLM_RESTRICT_VAR __restrict__
818 #else
819 # define GLM_DEPRECATED
820 # define GLM_ALIGN
821 # define GLM_ALIGNED_STRUCT(x) struct
822 # define GLM_ALIGNED_TYPEDEF(type, name, alignment) typedef type name
823 # define GLM_RESTRICT
824 # define GLM_RESTRICT_VAR
825 #endif//GLM_COMPILER
826 
827 #if GLM_HAS_CONSTEXPR
828 # define GLM_CONSTEXPR constexpr
829 #else
830 # define GLM_CONSTEXPR
831 #endif
832 
834 // Length type
835 
836 // User defines: GLM_FORCE_SIZE_T_LENGTH GLM_FORCE_SIZE_FUNC
837 
838 namespace glm
839 {
840  using std::size_t;
841 # if defined(GLM_FORCE_SIZE_T_LENGTH) || defined(GLM_FORCE_SIZE_FUNC)
842  typedef size_t length_t;
843 # else
844  typedef int length_t;
845 # endif
846 
847 namespace detail
848 {
849 # ifdef GLM_FORCE_SIZE_FUNC
850  typedef size_t component_count_t;
851 # else
852  typedef length_t component_count_t;
853 # endif
854 
855  template <typename genType>
856  GLM_FUNC_QUALIFIER GLM_CONSTEXPR component_count_t component_count(genType const & m)
857  {
858 # ifdef GLM_FORCE_SIZE_FUNC
859  return m.size();
860 # else
861  return m.length();
862 # endif
863  }
864 }//namespace detail
865 }//namespace glm
866 
867 #if defined(GLM_MESSAGES) && !defined(GLM_MESSAGE_FORCE_SIZE_T_LENGTH)
868 # define GLM_MESSAGE_FORCE_SIZE_T_LENGTH
869 # if defined GLM_FORCE_SIZE_FUNC
870 # pragma message("GLM: .length() is replaced by .size() and returns a std::size_t")
871 # elif defined GLM_FORCE_SIZE_T_LENGTH
872 # pragma message("GLM: .length() returns glm::length_t, a typedef of std::size_t")
873 # else
874 # pragma message("GLM: .length() returns glm::length_t, a typedef of int following the GLSL specification")
875 # endif
876 #endif//GLM_MESSAGE
877 
879 // Uninitialize constructors
880 
881 namespace glm
882 {
883  enum ctor{uninitialize};
884 }//namespace glm
GLM_FUNC_DECL genType pi()
Return the pi constant.
Definition: _noise.hpp:40