# HG changeset patch
# User Jaroslav Hajek <highegg@gmail.com>
# Date 1238069103 -3600
# Node ID 6890d411a0b8d8c5a1de65ba323ccfacbf023532
# Parent  484756d558d606e3a19d7c18bae42f3a623da36a
adjust some array dim query methods

diff --git a/liboctave/Array.h b/liboctave/Array.h
--- a/liboctave/Array.h
+++ b/liboctave/Array.h
@@ -255,7 +255,8 @@
 
   size_t byte_size (void) const { return numel () * sizeof (T); }
 
-  dim_vector dims (void) const { return dimensions; }
+  // Return a const-reference so that dims ()(i) works efficiently.
+  const dim_vector& dims (void) const { return dimensions; }
 
   Array<T> squeeze (void) const;
   
@@ -428,6 +429,8 @@
 
   bool is_empty (void) const { return numel () == 0; }
 
+  bool is_vector (void) const { return dimensions.is_vector (); }
+
   Array<T> transpose (void) const;
   Array<T> hermitian (T (*fcn) (const T&) = 0) const;
 
diff --git a/liboctave/ChangeLog b/liboctave/ChangeLog
--- a/liboctave/ChangeLog
+++ b/liboctave/ChangeLog
@@ -1,3 +1,8 @@
+2009-03-26  Jaroslav Hajek  <highegg@gmail.com>
+
+	* Array.h (Array<T>::dims): Return a const reference.
+	(Array<T>::is_vector): New method.
+
 2009-03-26  Jaroslav Hajek  <highegg@gmail.com>
 
 	* Array.cc (Array<T>::find): New method.