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authorIOhannes m zmölnig <zmoelnig@users.sourceforge.net>2005-09-19 14:47:50 +0000
committerIOhannes m zmölnig <zmoelnig@users.sourceforge.net>2005-09-19 14:47:50 +0000
commit208200ef713d588a1cb5c4d125b2bfccc9a7e2ce (patch)
tree29a88daf24459282860deb1b7bb684c5eaf49103 /src/mtx_not.c
parent38ee08dc2ce882e4fa8266f0d07fae258d098991 (diff)
added a bunch of new objects (from f.zotter);
some of them are unstable, some are likely to change in their behaviour (read: not yet for use) svn path=/trunk/externals/iem/iemmatrix/; revision=3598
Diffstat (limited to 'src/mtx_not.c')
-rw-r--r--src/mtx_not.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/src/mtx_not.c b/src/mtx_not.c
new file mode 100644
index 0000000..e73307a
--- /dev/null
+++ b/src/mtx_not.c
@@ -0,0 +1,88 @@
+/*
+ * iemmatrix
+ *
+ * objects for manipulating simple matrices
+ * mostly refering to matlab/octave matrix functions
+ *
+ * Copyright (c) IOhannes m zmlnig, forum::fr::umlute
+ * 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_not: B=!A; */
+
+#define MTX_ALMOSTZERO 1e-19
+
+static t_class *mtx_not_class;
+
+static void mtx_not_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_!: crippled matrix"); return; }
+ if ((col<1)||(row<1)) { post("mtx_!: 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 = atom_getfloat(argv++);
+ SETFLOAT(m, (t_float)(f<MTX_ALMOSTZERO&&f>-MTX_ALMOSTZERO));
+ m++;
+ }
+
+ outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), argc, x->m.atombuffer);
+}
+
+static void mtx_not_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;
+ t_float f = atom_getfloat(argv++);
+ (m++)->a_w.w_float = (t_float)(f<MTX_ALMOSTZERO&&f>-MTX_ALMOSTZERO);
+ }
+
+ outlet_list(x->x_obj.ob_outlet, gensym("list"), argc, x->m.atombuffer);
+}
+
+static void *mtx_not_new(t_symbol *s)
+{
+ /* element not */
+ t_matrix *x = (t_matrix *)pd_new(mtx_not_class);
+ outlet_new(&x->x_obj, 0);
+ x->col = x->row = 0;
+ x->atombuffer = 0;
+ return(x);
+}
+
+void mtx_not_setup(void)
+{
+ mtx_not_class = class_new(gensym("mtx_not"), (t_newmethod)mtx_not_new, (t_method)mtx_binmtx_free,
+ sizeof(t_mtx_binmtx), 0, A_GIMME, 0);
+ class_addcreator((t_newmethod)mtx_not_new, gensym("mtx_!"), A_GIMME,0);
+ class_addmethod(mtx_not_class, (t_method)mtx_not_matrix, gensym("matrix"), A_GIMME, 0);
+ class_addlist (mtx_not_class, mtx_not_list);
+ class_addbang (mtx_not_class, mtx_binmtx_bang);
+
+ class_sethelpsymbol(mtx_not_class, gensym("iemmatrix/mtx_not"));
+}
+
+void iemtx_not_setup(void)
+{
+ mtx_not_setup();
+}