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authorIOhannes m zmölnig <zmoelnig@users.sourceforge.net>2005-09-19 12:51:27 +0000
committerIOhannes m zmölnig <zmoelnig@users.sourceforge.net>2005-09-19 12:51:27 +0000
commit365bfca88395f6608121d37ed1b5f7c22403f98f (patch)
treedf48b32aabf16991cf9dc9fff3e910c5c8c0e350 /src/mtx_int.c
parent20836806ed83c0d6683364d04da9d048fa514a9c (diff)
new objects
svn path=/trunk/externals/iem/iemmatrix/; revision=3590
Diffstat (limited to 'src/mtx_int.c')
-rw-r--r--src/mtx_int.c84
1 files changed, 84 insertions, 0 deletions
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 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_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();
+}