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changeset 9027:9a46ba093db4

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generalize dim_vector::numel
author Jaroslav Hajek <highegg@gmail.com>
date Thu, 26 Mar 2009 13:20:05 +0100
parents 6890d411a0b8
children e67dc11ed6e8
files liboctave/ChangeLog liboctave/dim-vector.h
diffstat 2 files changed, 7 insertions(+), 3 deletions(-) [+]
line wrap: on
line diff
--- a/liboctave/ChangeLog	Thu Mar 26 13:05:03 2009 +0100
+++ b/liboctave/ChangeLog	Thu Mar 26 13:20:05 2009 +0100
@@ -1,3 +1,7 @@
+2009-03-26  Jaroslav Hajek  <highegg@gmail.com>
+
+	* dim-vector.h (dim_vector::numel): Add optional argument, simplify.
+
 2009-03-26  Jaroslav Hajek  <highegg@gmail.com>
 
 	* Array.h (Array<T>::dims): Return a const reference.
--- a/liboctave/dim-vector.h	Thu Mar 26 13:05:03 2009 +0100
+++ b/liboctave/dim-vector.h	Thu Mar 26 13:20:05 2009 +0100
@@ -310,13 +310,13 @@
   // vector would have, NOT the number of dimensions (elements in the
   // dimension vector).
 
-  octave_idx_type numel (void) const
+  octave_idx_type numel (int n = 0) const
   {
     int n_dims = length ();
 
-    octave_idx_type retval = n_dims > 0 ? elem (0) : 0;
+    octave_idx_type retval = 1;
 
-    for (int i = 1; i < n_dims; i++)
+    for (int i = n; i < n_dims; i++)
       retval *= elem (i);
 
     return retval;