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authorIOhannes m zmölnig <zmoelnig@users.sourceforge.net>2005-03-21 14:33:31 +0000
committerIOhannes m zmölnig <zmoelnig@users.sourceforge.net>2005-03-21 14:33:31 +0000
commit10b474fba485e9a93157c7fa534bb66e7bcc6fde (patch)
tree73e9e02738ea62179a1722b37ef49a9e91cfcbad /src/mtx_check.c
This commit was generated by cvs2svn to compensate for changes in r2637,svn2git-root
which included commits to RCS files with non-trunk default branches. svn path=/trunk/externals/iem/iemmatrix/; revision=2638
Diffstat (limited to 'src/mtx_check.c')
-rw-r--r--src/mtx_check.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/src/mtx_check.c b/src/mtx_check.c
new file mode 100644
index 0000000..0e2eda1
--- /dev/null
+++ b/src/mtx_check.c
@@ -0,0 +1,76 @@
+/*
+ * iemmatrix
+ *
+ * objects for manipulating simple matrices
+ * mostly refering to matlab/octave matrix functions
+ *
+ * (c) IOhannes m zmlnig, forum::fr::umlute
+ *
+ * IEM, Graz
+ *
+ * this code is published under the LGPL
+ *
+ */
+#include "iemmatrix.h"
+
+/* mtx_check */
+static t_class *mtx_check_class;
+
+static void mtx_check_matrix(t_matrix *x, t_symbol *s, int argc, t_atom *argv)
+{
+ int row=atom_getfloat(argv);
+ int col=atom_getfloat(argv+1);
+ t_atom *ap;
+ int length=row*col, n;
+ argc-=2;
+
+ if(length>argc) {
+ /* sparse matrix */
+ adjustsize(x, row, col);
+ matrix_set(x, 0);
+ argv+=2;
+ ap=x->atombuffer+2;
+ n=argc;
+ while(n--){
+ t_float f = atom_getfloat(argv++);
+ SETFLOAT(ap, f);
+ ap++;
+ }
+ matrix_bang(x);
+ } else {
+ SETFLOAT(argv, row);
+ SETFLOAT(argv+1, col);
+ ap=argv+2;
+ n=length;
+ while(n--){
+ t_float f = atom_getfloat(ap);
+ SETFLOAT(ap, f);
+ ap++;
+ }
+ outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), length+2, argv);
+ }
+}
+
+static void *mtx_check_new(t_symbol *s, int argc, t_atom *argv)
+{
+ t_matrix *x = (t_matrix *)pd_new(mtx_check_class);
+ outlet_new(&x->x_obj, 0);
+ x->col=x->row=0;
+ x->atombuffer=0;
+ return (x);
+}
+
+void mtx_check_setup(void)
+{
+ mtx_check_class = class_new(gensym("mtx_check"), (t_newmethod)mtx_check_new,
+ (t_method)matrix_free, sizeof(t_matrix), 0, A_GIMME, 0);
+ class_addbang (mtx_check_class, matrix_bang);
+ class_addmethod(mtx_check_class, (t_method)mtx_check_matrix, gensym("matrix"), A_GIMME, 0);
+ class_sethelpsymbol(mtx_check_class, gensym("iemmatrix/matrix"));
+}
+
+
+void iemtx_check_setup(void)
+{
+ mtx_check_setup();
+}