Deprecate Array::length() and Sparse::length() in favour of ::numel(). * liboctave/array/Array.h (Array::length): deprecate for ::numel. * liboctave/array/Sparse.h (Sparse::length): deprecate for ::numel. * libgui/graphics/QtHandlesUtils.cc, libgui/src/octave-qt-link.cc, libinterp/corefcn/Cell.cc, libinterp/corefcn/__contourc__.cc, libinterp/corefcn/__pchip_deriv__.cc, libinterp/corefcn/__qp__.cc, libinterp/corefcn/cellfun.cc, libinterp/corefcn/daspk.cc, libinterp/corefcn/dasrt.cc, libinterp/corefcn/dassl.cc, libinterp/corefcn/data.cc, libinterp/corefcn/filter.cc, libinterp/corefcn/find.cc, libinterp/corefcn/gl-render.cc, libinterp/corefcn/gl-render.h, libinterp/corefcn/graphics.cc, libinterp/corefcn/graphics.in.h, libinterp/corefcn/help.cc, libinterp/corefcn/hex2num.cc, libinterp/corefcn/input.cc, libinterp/corefcn/load-path.cc, libinterp/corefcn/load-save.cc, libinterp/corefcn/ls-oct-ascii.h, libinterp/corefcn/lsode.cc, libinterp/corefcn/matrix_type.cc, libinterp/corefcn/oct-hist.cc, libinterp/corefcn/oct-map.cc, libinterp/corefcn/oct-map.h, libinterp/corefcn/oct-obj.h, libinterp/corefcn/oct-stream.cc, libinterp/corefcn/oct-stream.h, libinterp/corefcn/pr-output.cc, libinterp/corefcn/quadcc.cc, libinterp/corefcn/rand.cc, libinterp/corefcn/regexp.cc, libinterp/corefcn/strfns.cc, libinterp/corefcn/sub2ind.cc, libinterp/corefcn/symtab.h, libinterp/corefcn/syscalls.cc, libinterp/corefcn/tsearch.cc, libinterp/corefcn/urlwrite.cc, libinterp/corefcn/utils.cc, libinterp/corefcn/variables.cc, libinterp/corefcn/xdiv.cc, libinterp/corefcn/xpow.cc, libinterp/dldfcn/__glpk__.cc, libinterp/dldfcn/__init_fltk__.cc, libinterp/dldfcn/__magick_read__.cc, libinterp/dldfcn/audiodevinfo.cc, libinterp/dldfcn/ccolamd.cc, libinterp/dldfcn/colamd.cc, libinterp/octave-value/ov-cell.cc, libinterp/octave-value/ov-class.cc, libinterp/octave-value/ov-class.h, libinterp/octave-value/ov-fcn-inline.cc, libinterp/octave-value/ov-java.cc, libinterp/octave-value/ov-perm.cc, libinterp/octave-value/ov-struct.cc, libinterp/octave-value/ov-typeinfo.cc, libinterp/octave-value/ov.cc, libinterp/operators/op-int.h, libinterp/parse-tree/pt-pr-code.cc, liboctave/array/Array-util.cc, liboctave/array/Array.cc, liboctave/array/CColVector.cc, liboctave/array/CDiagMatrix.cc, liboctave/array/CMatrix.cc, liboctave/array/CRowVector.cc, liboctave/array/DiagArray2.cc, liboctave/array/DiagArray2.h, liboctave/array/MArray.cc, liboctave/array/PermMatrix.cc, liboctave/array/PermMatrix.h, liboctave/array/Sparse.cc, liboctave/array/boolMatrix.cc, liboctave/array/chMatrix.cc, liboctave/array/chNDArray.cc, liboctave/array/dColVector.cc, liboctave/array/dDiagMatrix.cc, liboctave/array/dMatrix.cc, liboctave/array/dRowVector.cc, liboctave/array/fCColVector.cc, liboctave/array/fCDiagMatrix.cc, liboctave/array/fCMatrix.cc, liboctave/array/fCRowVector.cc, liboctave/array/fColVector.cc, liboctave/array/fDiagMatrix.cc, liboctave/array/fMatrix.cc, liboctave/array/fRowVector.cc, liboctave/array/idx-vector.cc, liboctave/array/intNDArray.cc, liboctave/numeric/CmplxCHOL.cc, liboctave/numeric/CmplxLU.cc, liboctave/numeric/CmplxQR.cc, liboctave/numeric/DASPK.cc, liboctave/numeric/DASRT.cc, liboctave/numeric/DASSL.cc, liboctave/numeric/LSODE.cc, liboctave/numeric/ODES.cc, liboctave/numeric/ODES.h, liboctave/numeric/base-dae.h, liboctave/numeric/base-lu.cc, liboctave/numeric/dbleCHOL.cc, liboctave/numeric/dbleLU.cc, liboctave/numeric/dbleQR.cc, liboctave/numeric/eigs-base.cc, liboctave/numeric/fCmplxCHOL.cc, liboctave/numeric/fCmplxLU.cc, liboctave/numeric/fCmplxQR.cc, liboctave/numeric/floatCHOL.cc, liboctave/numeric/floatLU.cc, liboctave/numeric/floatQR.cc, liboctave/numeric/lo-specfun.cc, liboctave/numeric/oct-rand.cc, liboctave/numeric/oct-spparms.cc, liboctave/numeric/sparse-base-chol.cc, liboctave/operators/mx-inlines.cc, liboctave/system/file-ops.cc, liboctave/util/glob-match.h, liboctave/util/kpse.cc, liboctave/util/lo-regexp.cc, liboctave/util/oct-glob.cc, liboctave/util/pathsearch.cc, liboctave/util/str-vec.cc, liboctave/util/str-vec.h, liboctave/util/url-transfer.cc: replace all usage of Array::length() and Sparse::length() with ::numel().

--- a/libinterp/corefcn/strfns.cc	Tue May 26 21:07:42 2015 -0700
+++ b/libinterp/corefcn/strfns.cc	Sat May 30 03:14:07 2015 +0100
@@ -103,8 +103,8 @@
               return retval;
             }
 
-          if (s.length () > 0)
-            n_elts += s.length ();
+          if (s.numel () > 0)
+            n_elts += s.numel ();
           else
             n_elts += 1;
 
@@ -125,7 +125,7 @@
           string_vector s = args_as_strings.front ();
           args_as_strings.pop ();
 
-          int n = s.length ();
+          int n = s.numel ();
 
           if (n > 0)
             {
@@ -224,7 +224,7 @@
           return retval;
         }
 
-      size_t n = s.length ();
+      size_t n = s.numel ();
 
       // do not count empty strings in calculation of number of elements
       if (n > 0)
@@ -253,7 +253,7 @@
       string_vector s = args_as_strings.front ();
       args_as_strings.pop ();
 
-      size_t n = s.length ();
+      size_t n = s.numel ();
 
       if (n > 0)
         {
@@ -365,7 +365,7 @@
 
       const Cell cell = cell_val.cell_value ();
       const string_vector str = str_val.all_strings ();
-      octave_idx_type r = str.length ();
+      octave_idx_type r = str.numel ();
 
       if (r == 0 || r == 1)
         {
@@ -378,13 +378,13 @@
           if (cell_val.is_cellstr ())
             {
               const Array<std::string> cellstr = cell_val.cellstr_value ();
-              for (octave_idx_type i = 0; i < cellstr.length (); i++)
+              for (octave_idx_type i = 0; i < cellstr.numel (); i++)
                 output(i) = str_op (cellstr(i), s, n);
             }
           else
             {
               // FIXME: should we warn here?
-              for (octave_idx_type i = 0; i < cell.length (); i++)
+              for (octave_idx_type i = 0; i < cell.numel (); i++)
                 {
                   if (cell(i).is_string ())
                     output(i) = str_op (cell(i).string_value (), s, n);
@@ -395,7 +395,7 @@
         }
       else if (r > 1)
         {
-          if (cell.length () == 1)
+          if (cell.numel () == 1)
             {
               // Broadcast the cell.
 
@@ -418,13 +418,13 @@
 
               boolNDArray output (cell.dims (), false);
 
-              if (cell.length () == r)
+              if (cell.numel () == r)
                 {
                   if (cell_val.is_cellstr ())
                     {
                       const Array<std::string> cellstr
                         = cell_val.cellstr_value ();
-                      for (octave_idx_type i = 0; i < cellstr.length (); i++)
+                      for (octave_idx_type i = 0; i < cellstr.numel (); i++)
                         output(i) = str_op (str[i], cellstr(i), n);
                     }
                   else
@@ -484,7 +484,7 @@
               if (cell1_val.is_cellstr ())
                 {
                   const Array<std::string> cellstr = cell1_val.cellstr_value ();
-                  for (octave_idx_type i = 0; i < cellstr.length (); i++)
+                  for (octave_idx_type i = 0; i < cellstr.numel (); i++)
                     output(i) = str_op (cellstr(i), str2, n);
                 }
               else