aboutsummaryrefslogtreecommitdiff
path: root/src/mtx_fill.c
blob: 901793f4fc4d74d9d667e9d9684430e7a93c167c (plain)
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
/*
 *  iemmatrix
 *
 *  objects for manipulating simple matrices
 *  mostly refering to matlab/octave matrix functions
 *
 * Copyright (c) 2005, Franz Zotter
 * IEM, Graz, Austria
 *
 * For information on usage and redistribution, and for a DISCLAIMER OF ALL
 * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
 *
 */


#include "iemmatrix.h"

typedef enum {
   FILL_SUBMATRIX,
   FILL_INDEXED_ELEMENTS,
   DONT_FILL_JUST_PASS
} FillStyle;

static t_class *mtx_fill_class;

typedef struct _MTXfill_ MTXfill;
struct _MTXfill_
{
   t_object x_obj;
   int size;
   int rows;
   int columns;
   
   int fill_startcol;
   int fill_startrow;

   int *index;
   int index_size;
   int num_idcs_used;
   int max_index;

   FillStyle fill_type;

   t_outlet *list_outlet;

   t_atom *list_out;
};

static void deleteMTXFill (MTXfill *mtx_fill_obj) 
{
   if (mtx_fill_obj->list_out)
      freebytes (mtx_fill_obj->list_out, sizeof(t_atom)*(mtx_fill_obj->size+2));
   if (mtx_fill_obj->index)
      freebytes (mtx_fill_obj->index, sizeof(int)*(mtx_fill_obj->index_size));
}

static void setListConstFloat (int size, t_float f, t_atom *y)
{
   for(;size--;y++)
      SETFLOAT(y,f);
}
static void copyList (int size, t_atom *x, t_atom *y)
{
   while(size--)
      *y++=*x++;
}
static int copyNonZeroAtomsToIntegerArrayMax (int *size, t_atom *x, int *y)
{
   int idx;
   int n = *size;
   int max = atom_getint(x);
   *size = 0;
   for (;n--;x++) {
      idx = atom_getint (x);
      if (idx) {
	 size[0]++;
	 *y++ = idx;
         max = (idx > max)?idx:max;
      }
   }
   return max;
}

static void writeIndexedValuesIntoMatrix (int n, int *idx, t_atom *x, t_atom *y)
{
   for (;n--;idx++,x++)
      if (*idx)
	 y[*idx-1] = *x;
}
static void writeFloatIndexedIntoMatrix (int n, int *idx, t_float f, t_atom *y)
{
   for (;n--;idx++)
      if (*idx)
	 SETFLOAT(&y[*idx-1], f);
}

static void mTXFillIndexMatrix (MTXfill *mtx_fill_obj, t_symbol *s, 
      int argc, t_atom *argv)
{
   int rows = atom_getint (argv++);
   int columns = atom_getint (argv++);
   int size = rows * columns;
   int list_size = argc - 2;
   int *idx = mtx_fill_obj->index;

   // size check
   if (!size) {
      mtx_fill_obj->fill_type = DONT_FILL_JUST_PASS;
      return;
   }
   
   if (list_size == 0) {
      if ((rows<1) || (columns<1)){
	 post("mtx_fill: row and column indices must be >0");
	 mtx_fill_obj->fill_type = DONT_FILL_JUST_PASS;
	 return;
      }
      mtx_fill_obj->fill_startrow = rows;
      mtx_fill_obj->fill_startcol = columns;
      mtx_fill_obj->fill_type = FILL_SUBMATRIX;
   }
   else if (list_size<size) {
      mtx_fill_obj->fill_type = DONT_FILL_JUST_PASS;
      return;
   }
   else {
      if (size > mtx_fill_obj->index_size) {
	 if (!idx)
	    idx = (int *) getbytes (sizeof (int) * (size + 2));
	 else
	    idx = (int *) resizebytes (idx,
		  sizeof (int) * (mtx_fill_obj->index_size+2),
		  sizeof (t_atom) * (size + 2));
	 mtx_fill_obj->index_size = size;
	 mtx_fill_obj->index = idx;
      }
      mtx_fill_obj->max_index = 
	 copyNonZeroAtomsToIntegerArrayMax (&size, argv++, idx);
      mtx_fill_obj->num_idcs_used = size;
      if (!size) 
	 mtx_fill_obj->fill_type = DONT_FILL_JUST_PASS;
      else 
	 mtx_fill_obj->fill_type = FILL_INDEXED_ELEMENTS;
   }
}

static void *newMTXFill (t_symbol *s, int argc, t_atom *argv)
{
   MTXfill *mtx_fill_obj = (MTXfill *) pd_new (mtx_fill_class);
  
   mtx_fill_obj->size = 0;
   mtx_fill_obj->fill_startrow = 1;
   mtx_fill_obj->fill_startcol = 1;
   mtx_fill_obj->fill_type = DONT_FILL_JUST_PASS;
   error("[mtx_fill]: this object _might_ change in the future!");
   if (argc) {
      if (atom_getsymbol(argv)==gensym("matrix")) 
	 mTXFillIndexMatrix (mtx_fill_obj, s, argc-1, argv+1);
      else
	 pd_error(mtx_fill_obj, "mtx_fill: creation argument must be 'matrix <startrow> <startcol>' for submatrix filling or 'matrix rows columns [...]' for indexed filling with scalar/matrices"); 
   }

   mtx_fill_obj->list_outlet = outlet_new (&mtx_fill_obj->x_obj, gensym("matrix"));
   inlet_new(&mtx_fill_obj->x_obj, &mtx_fill_obj->x_obj.ob_pd, gensym("matrix"),gensym("fill_mtx"));
   inlet_new(&mtx_fill_obj->x_obj, &mtx_fill_obj->x_obj.ob_pd, gensym("matrix"),gensym("index"));
   return ((void *) mtx_fill_obj);
} 

static void mTXBigMatrix (MTXfill *mtx_fill_obj, t_symbol *s, 
      int argc, t_atom *argv)
{
   int rows = atom_getint (argv);
   int columns = atom_getint (argv+1);
   int size = rows * columns;
   int list_size = argc - 2;
   t_atom *list_out = mtx_fill_obj->list_out;

   // size check
   if (!size) {
      post("mtx_fill: invalid dimensions");
      return;
   }
   else if (list_size<size) {
      post("mtx_fill: sparse matrix not yet supported: use \"mtx_check\"");
      return;
   }
   
   if (size != mtx_fill_obj->size) {
      if (!list_out)
	 list_out = (t_atom *) getbytes (sizeof (t_atom) * (size + 2));
      else
	 list_out = (t_atom *) resizebytes (list_out,
	       sizeof (t_atom) * (mtx_fill_obj->size+2),
	       sizeof (t_atom) * (size + 2));
   }

   mtx_fill_obj->size = size;
   mtx_fill_obj->columns = columns;
   mtx_fill_obj->rows = rows;
   mtx_fill_obj->list_out = list_out;

   memcpy(list_out,argv,argc*sizeof(t_atom));
}


static void mTXFillBang (MTXfill *mtx_fill_obj)
{
   if (mtx_fill_obj->list_out) 
      outlet_anything(mtx_fill_obj->list_outlet, gensym("matrix"), 
	    mtx_fill_obj->size+2, mtx_fill_obj->list_out);
}

static void writeFillMatrixIntoList (int fillrows, const int fillcols, int columns, t_atom *x, t_atom *y)
{
   for (;fillrows--;x+=fillcols,y+=columns)
      copyList(fillcols, x, y);
}

static void mTXFillScalar (MTXfill *mtx_fill_obj, t_float f)
{
   t_atom *list_out = mtx_fill_obj->list_out;
   int rows = mtx_fill_obj->rows;
   int columns = mtx_fill_obj->columns;

   switch (mtx_fill_obj->fill_type) {
      case FILL_SUBMATRIX:
	 post("mtx_fill: scalar fill for submatrices not supported yet");
	 return;
	 break;
      case FILL_INDEXED_ELEMENTS:
	 if (mtx_fill_obj->max_index > mtx_fill_obj->size) {
	    post("mtx_fill: index matrix index exceeds matrix borders");
	    return;
	 }
	 if (mtx_fill_obj->size == 0) {
	    post("mtx_fill: no matrix defined for filling");
	    return;
	 }
	 // main part
	 writeFloatIndexedIntoMatrix (mtx_fill_obj->num_idcs_used,
	       mtx_fill_obj->index, f,list_out+2);
      default:
	 mTXFillBang(mtx_fill_obj);
   }
}


static void mTXFillMatrix (MTXfill *mtx_fill_obj, t_symbol *s, 
      int argc, t_atom *argv)
{
   int fill_rows = atom_getint (argv++);
   int fill_columns = atom_getint (argv++);
   int fill_size = fill_rows * fill_columns;
   int list_size = argc - 2;
   int rows = mtx_fill_obj->rows;
   int columns = mtx_fill_obj->columns;
   t_atom *fill_mtx = argv;
   t_atom *list_out = mtx_fill_obj->list_out;
   int stopcol = mtx_fill_obj->fill_startcol+fill_columns-1;
   int stoprow = mtx_fill_obj->fill_startrow+fill_rows-1;

   if (mtx_fill_obj->fill_type == DONT_FILL_JUST_PASS) {
      mTXFillBang(mtx_fill_obj);
      return;
   }

   // size check
   if (!list_size) {
      post("mtx_fill: invalid dimensions");
      return;
   }
   switch (mtx_fill_obj->fill_type) {
      case FILL_SUBMATRIX:
	 if (list_size < fill_size) {
	    post("mtx_fill: sparse matrix not yet supported: use \"mtx_check\"");
	    return;
	 }
	 if ((stopcol > columns) ||
	       (stoprow > rows)) {
	    post("mtx_fill: fill matrix index exceeds matrix borders");
	    return;
	 }
	 break;
      case FILL_INDEXED_ELEMENTS:
	 if (list_size < mtx_fill_obj->num_idcs_used) {
	    post("mtx_fill: fill matrix smaller than indexing vector");
	    return;
	 }
	 else if (mtx_fill_obj->max_index > mtx_fill_obj->size) {
	    post("mtx_fill: index matrix index exceeds matrix borders");
	    return;
	 }
	 break;
   }
   if (mtx_fill_obj->size == 0) {
      post("mtx_fill: no matrix defined for filling");
      return;
   }
   
   // main part
   switch (mtx_fill_obj->fill_type) {
      case FILL_SUBMATRIX:
	 list_out += columns * (mtx_fill_obj->fill_startrow-1) + 
	    mtx_fill_obj->fill_startcol-1;
	 writeFillMatrixIntoList (fill_rows, fill_columns, 
	       columns, fill_mtx, list_out+2);
	 break;
      case FILL_INDEXED_ELEMENTS:
	 writeIndexedValuesIntoMatrix (mtx_fill_obj->num_idcs_used,
	       mtx_fill_obj->index, fill_mtx,list_out+2);
	 break;
   }
   mTXFillBang(mtx_fill_obj);
}

void mtx_fill_setup (void)
{
   mtx_fill_class = class_new 
      (gensym("mtx_fill"),
       (t_newmethod) newMTXFill,
       (t_method) deleteMTXFill,
       sizeof (MTXfill),
       CLASS_DEFAULT, A_GIMME, 0);
   class_addbang (mtx_fill_class, (t_method) mTXFillBang);
   class_addmethod (mtx_fill_class, (t_method) mTXFillMatrix, gensym("matrix"), A_GIMME,0);
   class_addmethod (mtx_fill_class, (t_method) mTXBigMatrix, gensym("fill_mtx"), A_GIMME,0);
   class_addmethod (mtx_fill_class, (t_method) mTXFillIndexMatrix, gensym("index"), A_GIMME,0);
   class_addfloat (mtx_fill_class, (t_method) mTXFillScalar);
}

void iemtx_fill_setup(void){
  mtx_fill_setup();
}