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diff liboctave/PermMatrix.h @ 8958:6ccc12cc65ef

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implement raising a permutation matrix to integer power
author Jaroslav Hajek <highegg@gmail.com>
date Wed, 11 Mar 2009 14:07:24 +0100
parents eb63fbe60fab
children 3c1762c7e787
line wrap: on
line diff
--- a/liboctave/PermMatrix.h
+++ b/liboctave/PermMatrix.h
@@ -97,6 +97,9 @@
   // Determinant, i.e. the sign of permutation.
   octave_idx_type determinant (void) const;
 
+  // Efficient integer power of a permutation.
+  PermMatrix power (octave_idx_type n) const;
+
   bool is_col_perm (void) const { return _colp; }
   bool is_row_perm (void) const { return !_colp; }