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

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 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_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();
+}