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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_transpose.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_transpose.c')
-rw-r--r--src/mtx_transpose.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/src/mtx_transpose.c b/src/mtx_transpose.c
new file mode 100644
index 0000000..7034cae
--- /dev/null
+++ b/src/mtx_transpose.c
@@ -0,0 +1,67 @@
+/*
+ * 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_transpose */
+static t_class *mtx_transpose_class;
+
+static void mtx_transpose_matrix(t_matrix *x, t_symbol *s, int argc, t_atom *argv)
+{
+ int row=atom_getfloat(argv++);
+ int col=atom_getfloat(argv++);
+ t_atom *ap;
+ int r, c;
+
+ if(row*col>argc-2) {
+ post("mtx_transpose: sparse matrices not yet supported : use \"mtx_check\"");
+ return;
+ }
+ if (col*row!=x->col*x->row) {
+ freebytes(x->atombuffer, (x->col*x->row+2)*sizeof(t_atom));
+ x->atombuffer = (t_atom *)getbytes((row*col+2)*sizeof(t_atom));
+ }
+ ap = x->atombuffer+2;
+ setdimen(x, col, row);
+ r = row;
+ while(r--){
+ c=col;
+ while(c--) {
+ t_float f = atom_getfloat(argv+r*col+c);
+ SETFLOAT(ap+c*row+r, f);
+ }
+ }
+
+ matrix_bang(x);
+}
+
+static void *mtx_transpose_new(t_symbol *s, int argc, t_atom *argv)
+{
+ t_matrix *x = (t_matrix *)pd_new(mtx_transpose_class);
+ outlet_new(&x->x_obj, 0);
+ x->col=x->row=0;
+ x->atombuffer=0;
+ return (x);
+}
+void mtx_transpose_setup(void)
+{
+ mtx_transpose_class = class_new(gensym("mtx_transpose"), (t_newmethod)mtx_transpose_new,
+ (t_method)matrix_free, sizeof(t_matrix), 0, A_GIMME, 0);
+ class_addbang (mtx_transpose_class, matrix_bang);
+ class_addmethod(mtx_transpose_class, (t_method)mtx_transpose_matrix, gensym("matrix"), A_GIMME, 0);
+ class_sethelpsymbol(mtx_transpose_class, gensym("iemmatrix/mtx_transpose"));
+}
+
+void iemtx_transpose_setup(void){
+ mtx_transpose_setup();
+}