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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_diag.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_diag.c')
-rw-r--r--src/mtx_diag.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/src/mtx_diag.c b/src/mtx_diag.c
new file mode 100644
index 0000000..65acff2
--- /dev/null
+++ b/src/mtx_diag.c
@@ -0,0 +1,59 @@
+/*
+ * 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_diag */
+static t_class *mtx_diag_class;
+static void mtx_diag_matrix(t_matrix *x, t_symbol *s, int argc, t_atom *argv)
+{
+ int row=atom_getfloat(argv++);
+ int col=atom_getfloat(argv++);
+ int length=(col<row)?col:row, n=length;
+ t_atom *ap = (t_atom *)getbytes(length * sizeof(t_atom)), *dummy=ap;
+ if(row*col>argc-2)post("mtx_diag: sparse matrices not yet supported : use \"mtx_check\"");
+ else {
+ for(n=0;n<length;n++, dummy++)SETFLOAT(dummy, atom_getfloat(argv+n*(col+1)));
+ outlet_list(x->x_obj.ob_outlet, gensym("diag"), length, ap);
+ }
+ freebytes(ap, (length * sizeof(t_atom)));
+}
+
+static void *mtx_diag_new(t_symbol *s, int argc, t_atom *argv)
+{
+ t_matrix *x = (t_matrix *)pd_new(mtx_diag_class);
+ outlet_new(&x->x_obj, 0);
+ x->row = x->col = 0;
+ x->atombuffer = 0;
+
+ if(!argc)return(x);
+ x->atombuffer = (t_atom *)getbytes((argc*argc+2)*sizeof(t_atom));
+ setdimen(x, argc, argc);
+ matrix_set(x, 0);
+ argv+=argc-1;
+ while(argc--)SETFLOAT(x->atombuffer+2+argc*(1+x->col), atom_getfloat(argv--));
+
+ return (x);
+}
+void mtx_diag_setup(void)
+{
+ mtx_diag_class = class_new(gensym("mtx_diag"), (t_newmethod)mtx_diag_new,
+ (t_method)matrix_free, sizeof(t_matrix), 0, A_GIMME, 0);
+ class_addlist (mtx_diag_class, matrix_diag);
+ class_addbang (mtx_diag_class, matrix_bang);
+ class_addmethod(mtx_diag_class, (t_method)mtx_diag_matrix, gensym("matrix"), A_GIMME, 0);
+ class_sethelpsymbol(mtx_diag_class, gensym("iemmatrix/mtx_trace"));
+}
+void iemtx_diag_setup(void){
+ void mtx_diag_setup(void);
+}