From 365bfca88395f6608121d37ed1b5f7c22403f98f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?IOhannes=20m=20zm=C3=B6lnig?= Date: Mon, 19 Sep 2005 12:51:27 +0000 Subject: new objects svn path=/trunk/externals/iem/iemmatrix/; revision=3590 --- src/mtx_int.c | 84 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 src/mtx_int.c (limited to 'src/mtx_int.c') diff --git a/src/mtx_int.c b/src/mtx_int.c new file mode 100644 index 0000000..38b2796 --- /dev/null +++ b/src/mtx_int.c @@ -0,0 +1,84 @@ +/* + * 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_int: B=int(A); */ + +static t_class *mtx_int_class; + +static void mtx_int_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_int: crippled matrix"); return; } + if ((col<1)||(row<1)) { post("mtx_int: 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)atom_getint(argv++); + SETFLOAT(m, f); + m++; + } + + outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), argc, x->m.atombuffer); +} + +static void mtx_int_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)atom_getint(argv++); + } + + outlet_list(x->x_obj.ob_outlet, gensym("list"), argc, x->m.atombuffer); +} + +static void *mtx_int_new(t_symbol *s) +{ + /* element int */ + t_matrix *x = (t_matrix *)pd_new(mtx_int_class); + outlet_new(&x->x_obj, 0); + x->col = x->row = 0; + x->atombuffer = 0; + return(x); +} + +void mtx_int_setup(void) +{ + mtx_int_class = class_new(gensym("mtx_int"), (t_newmethod)mtx_int_new, (t_method)mtx_binmtx_free, + sizeof(t_mtx_binmtx), 0, A_GIMME, 0); + class_addmethod(mtx_int_class, (t_method)mtx_int_matrix, gensym("matrix"), A_GIMME, 0); + class_addlist (mtx_int_class, mtx_int_list); + class_addbang (mtx_int_class, mtx_binmtx_bang); + + class_sethelpsymbol(mtx_int_class, gensym("iemmatrix/mtx_int")); +} + +void iemtx_int_setup(void) +{ + mtx_int_setup(); +} -- cgit v1.2.1