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/*
* 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();
}
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