/* * 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" /* -------------------------------------------------------------- */ /* matrix math */ void mtx_bin_matrix2(t_mtx_binmtx *x, t_symbol *s, int argc, t_atom *argv) { int row = atom_getfloat(argv); int col = atom_getfloat(argv+1); if (argc<2){post("mtx_bin2: crippled matrix"); return;} if ((col<1)||(row<1)) {post("mtx_bin2: invalid dimensions %dx%d", row,col); return;} if (col*row+2>argc){ post("mtx_bin2: sparse matrix not yet supported : use \"mtx_check\""); return;} if (row*col!=x->m2.row*x->m2.col) { freebytes(x->m2.atombuffer, (x->m2.row*x->m2.col+2)*sizeof(t_atom)); x->m2.atombuffer=copybytes(argv,(row*col+2)*sizeof(t_atom)); }else memcpy(x->m2.atombuffer, argv, (row*col+2)*sizeof(t_atom)); setdimen(&x->m2, row, col); } void mtx_binmtx_bang(t_mtx_binmtx *x) { if((&x->m)&&(x->m.atombuffer)) outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), x->m.col*x->m.row+2, x->m.atombuffer); } void mtx_binmtx_free(t_mtx_binmtx *x) { matrix_free(&x->m); matrix_free(&x->m2); } void mtx_binscalar_bang(t_mtx_binscalar *x) { if((&x->m)&&(x->m.atombuffer)) outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), x->m.col*x->m.row+2, x->m.atombuffer); } void mtx_binscalar_free(t_mtx_binscalar *x) { matrix_free(&x->m); } void iemtx_binops_setup(void) { }