aboutsummaryrefslogtreecommitdiff
path: root/src/mtx_concat.c
blob: 872e7066cd0704a93141d8c359ca9c1dbd317b2b (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
/*
 *  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"

static t_class *mtx_concat_class;
static t_symbol *row_sym;

typedef struct _MTXconcat_ MTXconcat;
struct _MTXconcat_
{
  t_object x_obj;
  int size;
  int concat_mode;
  t_matrix mtx_in1;
  t_matrix mtx_in2;
  t_matrix mtx_out;
  
  t_outlet *outl;
};

static void deleteMTXConcat (MTXconcat *mtx_concat_obj) 
{
   matrix_free(&mtx_concat_obj->mtx_in2);
   matrix_free(&mtx_concat_obj->mtx_out);
}

static void mTXSetConcatMode (MTXconcat *mtx_concat_obj, t_symbol *c_mode)
{
  char c=*c_mode->s_name;
  switch(c){
  case 'c': case 'C': case ':': /* "column" */
    mtx_concat_obj->concat_mode = 1;
    break;
  case 'r': case 'R': /* "row" */
    mtx_concat_obj->concat_mode = 0;
    break;
  default:
    error("mtx_concat: invalid mode '%s'", c_mode->s_name);
    break;
  }
}

static void *newMTXConcat (t_symbol *s, int argc, t_atom *argv)
{
   MTXconcat *mtx_concat_obj = (MTXconcat *) pd_new (mtx_concat_class);
   if(argc&&(A_SYMBOL==argv->a_type))
     mTXSetConcatMode (mtx_concat_obj, atom_getsymbol (argv));
   else
     mTXSetConcatMode (mtx_concat_obj, gensym(":"));

   mtx_concat_obj->outl = mtx_concat_obj->mtx_out.x_outlet = outlet_new (&mtx_concat_obj->x_obj, gensym("matrix"));
   inlet_new(&mtx_concat_obj->x_obj, &mtx_concat_obj->x_obj.ob_pd, gensym("matrix"),gensym(""));
   return ((void *) mtx_concat_obj);
} 

static void mTXConcatBang (MTXconcat *mtx_concat_obj)
{
   outlet_anything(mtx_concat_obj->outl, gensym("matrix"), 
	 mtx_concat_obj->mtx_out.row * mtx_concat_obj->mtx_out.col + 2, 
	 mtx_concat_obj->mtx_out.atombuffer);
}

static void copyList (int n, t_atom *x, t_atom *y)
{
   while (n--)
      *y++=*x++;
}

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 mTXConcatMatrix2 (MTXconcat *mtx_concat_obj, t_symbol *s, 
      int argc, t_atom *argv)
{
   matrix_matrix2 (&mtx_concat_obj->mtx_in2, s, argc, argv);
}

static void mTXConcatDoRowConcatenation (MTXconcat *mtx_concat_obj,
      t_matrix *mtx1, t_matrix *mtx2, t_matrix *mtx_out) 
{
   int mcols = mtx1->col + mtx2->col;
   int cnt;
   t_atom *ptr_in1 = mtx1->atombuffer+2;
   t_atom *ptr_in2 = mtx2->atombuffer+2;
   t_atom *ptr_out;

   if (mtx1->row != mtx2->row) {
      post("mtx_concat: row-mode: matrices must have same number of rows!");
      return;
   }
   adjustsize (mtx_out, mtx1->row, mcols);
   ptr_out = mtx_out->atombuffer+2;
   for (cnt=mtx1->row; cnt--; ptr_in1 += mtx1->col, 
	 ptr_in2 += mtx2->col, ptr_out += mtx_out->col) {
      memcpy (ptr_out, ptr_in1, mtx1->col * sizeof(t_atom));
      memcpy (ptr_out+mtx1->col, ptr_in2, mtx2->col * sizeof(t_atom));
   }
   mTXConcatBang(mtx_concat_obj);
}
static void mTXConcatDoColConcatenation (MTXconcat *mtx_concat_obj,
      t_matrix *mtx1, t_matrix *mtx2, t_matrix *mtx_out) 
{
   int mrows = mtx1->row + mtx2->row;
   int cnt;
   t_atom *ptr_in1 = mtx1->atombuffer+2;
   t_atom *ptr_in2 = mtx2->atombuffer+2;
   t_atom *ptr_out;

   if (mtx1->col != mtx2->col) {
      post("mtx_concat: col-mode: matrices must have same number of columns!");
      return;
   }
   adjustsize (mtx_out, mrows, mtx1->col);
   ptr_out = mtx_out->atombuffer+2;
   for (cnt=mtx1->row; cnt--; ptr_in1 += mtx1->col, 
	 ptr_out += mtx_out->col) {
      memcpy (ptr_out, ptr_in1, mtx1->col * sizeof(t_atom));
   }
   for (cnt=mtx2->row; cnt--; ptr_in2 += mtx2->col, 
	 ptr_out += mtx_out->col) {
      memcpy (ptr_out, ptr_in2, mtx2->col * sizeof(t_atom));
   }
   
   mTXConcatBang(mtx_concat_obj);
}
static void mTXConcatMatrix (MTXconcat *mtx_concat_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_matrix *mtx_in1 = &mtx_concat_obj->mtx_in1;
   t_matrix *mtx_in2 = &mtx_concat_obj->mtx_in2;
   t_matrix *mtx_out = &mtx_concat_obj->mtx_out;

   /* size check */
   if (!size) {
      post("mtx_concat: invalid dimensions");
      return;
   }
   else if (list_size<size) {
      post("mtx_concat: sparse matrix not yet supported: use \"mtx_check\"");
      return;
   }
   mtx_in1->row = rows;
   mtx_in1->col = columns;
   mtx_in1->atombuffer = argv;
   /* alternatively to the above: */
   /*   matrix_matrix2 (mtx_in1, s, argc, argv); */

   if (mtx_concat_obj->concat_mode == 0) {
      mTXConcatDoRowConcatenation(mtx_concat_obj, mtx_in1, mtx_in2, mtx_out);
   }
   else {
      mTXConcatDoColConcatenation(mtx_concat_obj, mtx_in1, mtx_in2, mtx_out);
   }
}

void mtx_concat_setup (void)
{
   mtx_concat_class = class_new 
      (gensym("mtx_concat"),
       (t_newmethod) newMTXConcat,
       (t_method) deleteMTXConcat,
       sizeof (MTXconcat),
       CLASS_DEFAULT, A_GIMME, 0);
   class_addbang (mtx_concat_class, (t_method) mTXConcatBang);
   class_addmethod (mtx_concat_class, (t_method) mTXConcatMatrix, gensym("matrix"), A_GIMME,0);
   class_addmethod (mtx_concat_class, (t_method) mTXConcatMatrix2, gensym(""), A_GIMME,0);
   class_addmethod (mtx_concat_class, (t_method) mTXSetConcatMode, gensym("mode"), A_DEFSYMBOL,0);

   row_sym = gensym("row");
}

void iemtx_concat_setup(void){
  mtx_concat_setup();
}