File size: 14,016 Bytes
10f2621
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
/**
 * @defgroup Vec3 Vec3 class 
 * @brief    3x1 vector object
 * @defgroup Mat3 Mat3 class 
 * @brief    3x3 dense matrix object
 */

/**
 *  @file       vec3.h
 *  @ingroup    Vec3 Mat3
 *  @brief      Classes Vec3,Mat3: 3x1 vector and 3x3 dense matrix objects.
 *  @author     Michael Holst
 *  @note       None
 *  @version    $Id: vec3.h,v 1.5 2010/08/12 05:18:36 fetk Exp $ 
 *
 *  @attention
 *  @verbatim
 *
 * MC = < Manifold Code >
 * Copyright (C) 1994-- Michael Holst
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 *  @endverbatim
 */

#ifndef _VEC3_H_
#define _VEC3_H_

#include <mc/mc_base.h>

/*
 * ***************************************************************************
 * Class Vec3,Mat3: Parameters and datatypes
 * ***************************************************************************
 */

/*
 * ***************************************************************************
 * Class Vec3,Mat3: Definition
 * ***************************************************************************
 */

/**
 * @ingroup Vec3
 * @brief   Vec3 definition. 3x1 vector object
 * @author  Michael Holst
 */
typedef double Vec3[3];

/**
 * @ingroup Mat3
 * @brief   Mat3 definition. 3x3 dense matrix object
 * @author  Michael Holst
 */
typedef double Mat3[3][3];

/*
 * ***************************************************************************
 * Class Vec3,Mat3: Inlineable methods (vec3.c)
 * ***************************************************************************
 */

#if !defined(VINLINE_BAM)
#else /* if defined(VINLINE_BAM) */
#endif /* if !defined(VINLINE_BAM) */

/**
 * @ingroup Vec3
 * @brief   1-norm of a 3-vector. 
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  1-norm of a 3-vector
 * @param   u  3-vector
 */
VEXTERNC double Vec3_nrm1(Vec3 u);

/**
 * @ingroup Vec3
 * @brief   2-norm of a 3-vector. 
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  2-norm of a 3-vector
 * @param   u  3-vector
 */
VEXTERNC double Vec3_nrm2(Vec3 u);

/**
 * @ingroup Vec3
 * @brief   oo-norm of a 3-vector. 
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  oo-norm of a 3-vector
 * @param   u  3-vector
 */
VEXTERNC double Vec3_nrm8(Vec3 u);

/**
 * @ingroup Vec3
 * @brief   1-norm of a 3-vector. 
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  1-norm of a 3-vector
 * @param   u  3-vector u
 * @param   v  3-vector v
 */
VEXTERNC double Vec3_dif1(Vec3 u, Vec3 v);

/**
 * @ingroup Vec3
 * @brief   2-norm of a 3-vector. 
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  2-norm of a 3-vector
 * @param   u  3-vector u
 * @param   v  3-vector v
 */
VEXTERNC double Vec3_dif2(Vec3 u, Vec3 v);

/**
 * @ingroup Vec3
 * @brief   oo-norm of a 3-vector. 
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  oo-norm of a 3-vector
 * @param   u  3-vector u
 * @param   v  3-vector v
 */
VEXTERNC double Vec3_dif8(Vec3 u, Vec3 v);

/**
 * @ingroup Vec3
 * @brief   dot product of two 3-vectors. 
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  dot product of two 3-vectors
 * @param   u  3-vector u
 * @param   v  3-vector v
 */
VEXTERNC double Vec3_dot(Vec3 u, Vec3 v);

/**
 * @ingroup Vec3
 * @brief   Initialize a 3-vector to be a constant. 
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   u    3-vector u
 * @param   val  the constant to be initialized for a 3-vector
 */
VEXTERNC void Vec3_init(Vec3 u, double val);

/**
 * @ingroup Vec3
 * @brief   3-vector scale.
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   u    3-vector u
 * @param   val  the constant to be initialized for a 3-vector
 */
VEXTERNC void Vec3_scal(Vec3 u, double val);

/**
 * @ingroup Vec3
 * @brief   3-vector copy.
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   u  the destiny 3-vector
 * @param   v  the source 3-vector
 */
VEXTERNC void Vec3_copy(Vec3 u, Vec3 v);

/**
 * @ingroup Vec3
 * @brief   scalar times 3-vector plus 3-vector.   
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   u    the output 3-vector
 * @param   v    the source 3-vector
 * @param   val  the coeficient for scaling 3-vector v
 */
VEXTERNC void Vec3_axpy(Vec3 u, Vec3 v, double val);

/**
 * @ingroup Vec3
 * @brief   cross-product of two 3-vectors. 
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   u    the output 3-vector
 * @param   v    the source 3-vector
 * @param   w    another source 3-vector
 */
VEXTERNC void Vec3_xcry(Vec3 u, Vec3 v, double *w);

/**
 * @ingroup Vec3
 * @brief   normalize a 3-vector.  
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   u      the output 3-vector
 * @param   scale  scale value of the 3-vector u
 */
VEXTERNC void Vec3_nrmlize(Vec3 u, double scale);

/**
 * @ingroup Vec3
 * @brief   normalize a 3-vector (no error check).
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   u      the output 3-vector
 * @param   scale  scale value of the 3-vector u
 */
VEXTERNC void Vec3_nrmlizeNE(Vec3 u, double scale);

/**
 * @ingroup Vec3
 * @brief   print a 3-vector.
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   u     the output 3-vector
 * @param   name  the output file name
 */
VEXTERNC void Vec3_print(Vec3 u, const char *name);

/**
 * @ingroup Vec3
 * @brief   multiply a 3-matrix and a 3-vector.
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   u  the output 3-vector
 * @param   A  the 3-matrix
 * @param   v  the source 3-vector
 */
VEXTERNC void Vec3_mult(Vec3 u, Mat3 A, Vec3 v);

/**
 * @ingroup Vec3
 * @brief   get 3-vector column of a 3-matrix.   
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   u    the output 3-vector
 * @param   A    the 3-matrix
 * @param   col  the index of column
 */
VEXTERNC void Vec3_getCol(Vec3 u, Mat3 A, int col);

/**
 * @ingroup Vec3
 * @brief   get 3-vector row of a 3-matrix.   
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   u    the output 3-vector
 * @param   A    the 3-matrix
 * @param   row  the index of row
 */
VEXTERNC void Vec3_getRow(Vec3 u, Mat3 A, int row);

/**
 * @ingroup Mat3
 * @brief   1-norm of a 3-matrix.
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  1-norm of a 3-matrix
 * @param   A  the 3-matrix
 */
VEXTERNC double Mat3_nrm1(Mat3 A);

/**
 * @ingroup Mat3
 * @brief   2-norm of a 3-matrix.
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  2-norm of a 3-matrix
 * @param   A  the 3-matrix
 */
VEXTERNC double Mat3_nrm2(Mat3 A);

/**
 * @ingroup Mat3
 * @brief   oo-norm of a 3-matrix.
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  oo-norm of a 3-matrix
 * @param   A  the 3-matrix
 */
VEXTERNC double Mat3_nrm8(Mat3 A);

/**
 * @ingroup Mat3
 * @brief   1-norm of difference of two 3-matrices.     
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  1-norm of difference of two 3-matrices
 * @param   A  the 3-matrix A
 * @param   B  the 3-matrix B
 */
VEXTERNC double Mat3_dif1(Mat3 A, Mat3 B);

/**
 * @ingroup Mat3
 * @brief   2-norm of difference of two 3-matrices.     
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  2-norm of difference of two 3-matrices
 * @param   A  the 3-matrix A
 * @param   B  the 3-matrix B
 */
VEXTERNC double Mat3_dif2(Mat3 A, Mat3 B);

/**
 * @ingroup Mat3
 * @brief   oo-norm of difference of two 3-matrices.     
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  oo-norm of difference of two 3-matrices
 * @param   A  the 3-matrix A
 * @param   B  the 3-matrix B
 */
VEXTERNC double Mat3_dif8(Mat3 A, Mat3 B);

/**
 * @ingroup Mat3
 * @brief   oo-norm of lower-triangle of a 3-matrix. 
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  oo-norm of lower-triangle of a 3-matrix
 * @param   A  the 3-matrix
 */
VEXTERNC double Mat3_nrm8Low(Mat3 A);

/**
 * @ingroup Mat3
 * @brief   identity 3-matrix.    
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   A  the 3-matrix
 */
VEXTERNC void Mat3_eye(Mat3 A);

/**
 * @ingroup Mat3
 * @brief   initialize a 3-matrix.     
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   A    the 3-matrix
 * @param   val  initialized value of the 3-matrix component
 */
VEXTERNC void Mat3_init(Mat3 A, double val);

/**
 * @ingroup Mat3
 * @brief   normalize a 3-matrix.      
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   A    the 3-matrix
 * @param   val  the coeficient of the 3-matrix components
 */
VEXTERNC void Mat3_scal(Mat3 A, double val);

/**
 * @ingroup Mat3
 * @brief   copy a 3-matrix. 
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   A  the output 3-matrix
 * @param   B  the source 3-matrix
 */
VEXTERNC void Mat3_copy(Mat3 A, Mat3 B);

/**
 * @ingroup Mat3
 * @brief   Saxpy for 3-matrices.   
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   A    the output 3-matrix
 * @param   B    the source 3-matrix
 * @param   val  the coeficient of the 3-matrix B components
 */
VEXTERNC void Mat3_axpy(Mat3 A, Mat3 B, double val);

/**
 * @ingroup Mat3
 * @brief   multiply 3-matrices.
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   C  the output 3-matrix
 * @param   A  the source 3-matrix A
 * @param   B  the source 3-matrix B
 */
VEXTERNC void Mat3_mult(Mat3 C, Mat3 A, Mat3 B);

/**
 * @ingroup Mat3
 * @brief   put a 3-vector column in a 3-matrix. 
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   A    the 3-matrix
 * @param   u    the 3-vector
 * @param   col  the index of the 3-vector column in a 3-matrix
 */
VEXTERNC void Mat3_putCol(Mat3 A, Vec3 u, int col);

/**
 * @ingroup Mat3
 * @brief   put a 3-vector row in a 3-matrix. 
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   A    the 3-matrix
 * @param   u    the 3-vector
 * @param   row  the index of the 3-vector row in a 3-matrix
 */
VEXTERNC void Mat3_putRow(Mat3 A, Vec3 u, int row);

/**
 * @ingroup Mat3
 * @brief   print a 3-matrix.
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   A     the 3-matrix
 * @param   name  the output name of the 3-matrix
 */
VEXTERNC void Mat3_print(Mat3 A, const char *name);

/**
 * @ingroup Mat3
 * @brief   QR iteration for 3-matrices.
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  QR iteration for 3-matrices
 * @param   V  the output 3-matrix
 * @param   D  the diagonal 3-matrix
 * @param   A  the source 3-matrix
 */
VEXTERNC double Mat3_qri(Mat3 V, Mat3 D, Mat3 A);

/**
 * @ingroup Mat3
 * @brief   QR factorization of 3-matrix (via modified Graham-Schmidt). 
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   Q  the Q 3-matrix
 * @param   R  the R 3-matrix
 * @param   A  the source 3-matrix
 */
VEXTERNC void Mat3_gramSch(Mat3 Q, Mat3 R, Mat3 A);

/**
 * @ingroup Mat3
 * @brief   a single QR iteration for a 3-matrix.  
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   Q  the Q 3-matrix
 * @param   R  the R 3-matrix
 * @param   A  the source 3-matrix
 */
VEXTERNC void Mat3_qr(Mat3 Q, Mat3 R, Mat3 A);

/**
 * @ingroup Mat3
 * @brief   determinant of a 3-matrix.    
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  determinant of a 3-matrix
 * @param   A  the 3-matrix
 */
VEXTERNC double Mat3_det(Mat3 A);

/**
 * @ingroup Mat3
 * @brief   inverse of a 3-matrix.
 * @author  Michael Holst
 * @note    Class Vec3,Mat3: Non-inlineable methods (vec3.c) 
 * @return  None
 * @param   A     the 3-matrix
 * @param   Ainv  inverse of a 3-matrix A
 */
VEXTERNC void Mat3_inverse(Mat3 A, Mat3 Ainv);

#endif /* _VEC3_H_ */