Update of /cvsroot/pure-data/externals/iem/iemmatrix/src In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv24092
Modified Files: iemmatrix.c mtx_prod.c Added Files: mtx_sum.c Log Message: added mtx_sum
--- NEW FILE: mtx_sum.c --- /* * iemmatrix * * objects for manipulating simple matrices * mostly refering to matlab/octave matrix functions * * Copyright (c) IOhannes m zmölnig, forum::für::umläute * 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"
/* mtx_sum */ /* column-wise sum */ static t_class *mtx_sum_class; static void mtx_sum_matrix(t_matrix *x, t_symbol *s, int argc, t_atom *argv) { int row=atom_getfloat(argv++); int col=atom_getfloat(argv++); int n;
if(row*col>argc-2)post("mtx_sum: sparse matrices not yet supported : use "mtx_check""); else { t_atom *ap = (t_atom *)getbytes(col * sizeof(t_atom)), *dummy=ap;
for(n=0;n<col;n++, dummy++){ int i=row; t_float f=0.f; t_atom*ap2=argv+n; while(i--){ f+=atom_getfloat(ap2+col*i); } SETFLOAT(dummy, f); }
outlet_list(x->x_obj.ob_outlet, gensym("prod"), col, ap);
freebytes(ap, (col * sizeof(t_atom))); } } static void mtx_sum_list(t_matrix *x, t_symbol *s, int argc, t_atom *argv){ t_float f=0.f; while(argc--)f+=atom_getfloat(argv++); outlet_float(x->x_obj.ob_outlet, f); }
static void *mtx_sum_new() { t_matrix *x = (t_matrix *)pd_new(mtx_sum_class); outlet_new(&x->x_obj, 0); x->row = x->col = 0; x->atombuffer = 0;
return (x); } void mtx_sum_setup(void) { mtx_sum_class = class_new(gensym("mtx_sum"), (t_newmethod)mtx_sum_new, (t_method)matrix_free, sizeof(t_matrix), 0, A_GIMME, 0); class_addlist (mtx_sum_class, mtx_sum_list); // class_addbang (mtx_sum_class, matrix_bang); class_addmethod(mtx_sum_class, (t_method)mtx_sum_matrix, gensym("matrix"), A_GIMME, 0); class_sethelpsymbol(mtx_sum_class, gensym("iemmatrix/mtx_sum")); } void iemtx_sum_setup(void){ void mtx_sum_setup(void); }
Index: mtx_prod.c =================================================================== RCS file: /cvsroot/pure-data/externals/iem/iemmatrix/src/mtx_prod.c,v retrieving revision 1.1 retrieving revision 1.2 diff -C2 -d -r1.1 -r1.2 *** mtx_prod.c 9 May 2005 16:27:23 -0000 1.1 --- mtx_prod.c 10 May 2005 12:16:49 -0000 1.2 *************** *** 15,19 ****
/* mtx_prod */ ! /* prod(diag(A)) */ static t_class *mtx_prod_class; --- 15,19 ----
/* mtx_prod */ ! /* column-wise product */ static t_class *mtx_prod_class;
Index: iemmatrix.c =================================================================== RCS file: /cvsroot/pure-data/externals/iem/iemmatrix/src/iemmatrix.c,v retrieving revision 1.5 retrieving revision 1.6 diff -C2 -d -r1.5 -r1.6 *** iemmatrix.c 10 May 2005 09:38:51 -0000 1.5 --- iemmatrix.c 10 May 2005 12:16:49 -0000 1.6 *************** *** 38,41 **** --- 38,42 ---- void mtx_scroll_setup(); void mtx_size_setup(); + void mtx_sum_setup(); void mtx_trace_setup(); void mtx_transpose_setup(); *************** *** 68,71 **** --- 69,73 ---- mtx_scroll_setup(); mtx_size_setup(); + mtx_sum_setup(); mtx_trace_setup(); mtx_transpose_setup();