/* * 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_sin: B=sin(A); */ static t_class *mtx_sin_class; static void mtx_sin_matrix(t_mtx_binmtx *x, t_symbol *s, int argc, t_atom *argv) { int row=atom_getfloat(argv++); int col=atom_getfloat(argv++); t_atom *m; int n = argc-2; if (argc<2){ post("mtx_sin: crippled matrix"); return; } if ((col<1)||(row<1)) { post("mtx_sin: invalid dimensions"); return; } if (col*row>argc-2){ post("sparse matrix not yet supported : use \"mtx_check\""); return; } adjustsize(&x->m, row, col); m = x->m.atombuffer+2; while(n--){ t_float f = (t_float)sin(atom_getfloat(argv++)); SETFLOAT(m, f); m++; } outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), argc, x->m.atombuffer); } static void mtx_sin_list(t_mtx_binscalar *x, t_symbol *s, int argc, t_atom *argv) { int n=argc; t_atom *m; t_float factor = x->f; adjustsize(&x->m, 1, argc); m = x->m.atombuffer; while(n--){ m->a_type = A_FLOAT; (m++)->a_w.w_float = (t_float)sin(atom_getfloat(argv++)); } outlet_list(x->x_obj.ob_outlet, gensym("list"), argc, x->m.atombuffer); } static void *mtx_sin_new(t_symbol *s) { /* element sin */ t_matrix *x = (t_matrix *)pd_new(mtx_sin_class); outlet_new(&x->x_obj, 0); x->col = x->row = 0; x->atombuffer = 0; return(x); } void mtx_sin_setup(void) { mtx_sin_class = class_new(gensym("mtx_sin"), (t_newmethod)mtx_sin_new, (t_method)mtx_binmtx_free, sizeof(t_mtx_binmtx), 0, A_GIMME, 0); class_addmethod(mtx_sin_class, (t_method)mtx_sin_matrix, gensym("matrix"), A_GIMME, 0); class_addlist (mtx_sin_class, mtx_sin_list); class_addbang (mtx_sin_class, mtx_binmtx_bang); class_sethelpsymbol(mtx_sin_class, gensym("iemmatrix/mtx_sin")); } void iemtx_sin_setup(void) { mtx_sin_setup(); }