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/load-path.cc
+++ b/libinterp/corefcn/load-path.cc
@@ -180,7 +180,7 @@
     {
       string_vector flist = dir.read ();
 
-      octave_idx_type len = flist.length ();
+      octave_idx_type len = flist.numel ();
 
       all_files.resize (len);
       fcn_files.resize (len);
@@ -250,7 +250,7 @@
     {
       string_vector flist = dir.read ();
 
-      octave_idx_type len = flist.length ();
+      octave_idx_type len = flist.numel ();
 
       for (octave_idx_type i = 0; i < len; i++)
         {
@@ -408,7 +408,7 @@
 load_path::loader::move_fcn_map (const std::string& dir_name,
                                  const string_vector& fcn_files, bool at_end)
 {
-  octave_idx_type len = fcn_files.length ();
+  octave_idx_type len = fcn_files.numel ();
 
   for (octave_idx_type k = 0; k < len; k++)
     {
@@ -803,7 +803,7 @@
 load_path::loader::remove_fcn_map (const std::string& dir,
                                    const string_vector& fcn_files)
 {
-  octave_idx_type len = fcn_files.length ();
+  octave_idx_type len = fcn_files.numel ();
 
   for (octave_idx_type k = 0; k < len; k++)
     {
@@ -1373,7 +1373,7 @@
         {
           string_vector all_files = p->all_files;
 
-          octave_idx_type len = all_files.length ();
+          octave_idx_type len = all_files.numel ();
 
           for (octave_idx_type i = 0; i < len; i++)
             {
@@ -1488,7 +1488,7 @@
   std::string dir_name;
   std::string file_name;
 
-  octave_idx_type flen = flist.length ();
+  octave_idx_type flen = flist.numel ();
   octave_idx_type rel_flen = 0;
 
   string_vector rel_flist (flen);
@@ -1534,7 +1534,7 @@
     {
       string_vector all_files = p->all_files;
 
-      octave_idx_type len = all_files.length ();
+      octave_idx_type len = all_files.numel ();
 
       for (octave_idx_type i = 0; i < len; i++)
         {
@@ -1567,7 +1567,7 @@
   std::string dir_name;
   std::string file_name;
 
-  octave_idx_type flen = flist.length ();
+  octave_idx_type flen = flist.numel ();
   octave_idx_type rel_flen = 0;
 
   string_vector rel_flist (flen);
@@ -1612,7 +1612,7 @@
     {
       string_vector all_files = p->all_files;
 
-      octave_idx_type len = all_files.length ();
+      octave_idx_type len = all_files.numel ();
 
       for (octave_idx_type i = 0; i < len; i++)
         {
@@ -1670,7 +1670,7 @@
 
   if (omit_exts)
     {
-      octave_idx_type len = retval.length ();
+      octave_idx_type len = retval.numel ();
 
       for (octave_idx_type i = 0; i < len; i++)
         {
@@ -1716,7 +1716,7 @@
 
   string_vector xdirs = load_path::dirs ();
 
-  octave_idx_type len = xdirs.length ();
+  octave_idx_type len = xdirs.numel ();
 
   if (len > 0)
     xpath = xdirs[0];
@@ -1893,7 +1893,7 @@
 
   string_vector fcn_files = di.fcn_files;
 
-  octave_idx_type len = fcn_files.length ();
+  octave_idx_type len = fcn_files.numel ();
 
   for (octave_idx_type i = 0; i < len; i++)
     {
@@ -2150,7 +2150,7 @@
 
       string_vector dirlist = dir.read ().sort (false);
 
-      octave_idx_type len = dirlist.length ();
+      octave_idx_type len = dirlist.numel ();
 
       for (octave_idx_type i = 0; i < len; i++)
         {
@@ -2161,7 +2161,7 @@
 
           if (! skip_p)
             {
-              for (octave_idx_type j = 0; j < skip.length (); j++)
+              for (octave_idx_type j = 0; j < skip.numel (); j++)
                 {
                   skip_p = (elt == skip[j]);
                   if (skip_p)