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/liboctave/numeric/DASPK.cc	Tue May 26 21:07:42 2015 -0700
+++ b/liboctave/numeric/DASPK.cc	Sat May 30 03:14:07 2015 +0100
@@ -91,7 +91,7 @@
 
   if (ires >= 0)
     {
-      if (tmp_delta.length () == 0)
+      if (tmp_delta.numel () == 0)
         ires = -2;
       else
         {
@@ -196,7 +196,7 @@
 
           ColumnVector res = (*user_fun) (x, xdot, t, ires);
 
-          if (res.length () != x.length ())
+          if (res.numel () != x.numel ())
             {
               (*current_liboctave_error_handler)
                 ("daspk: inconsistent sizes for state and residual vectors");
@@ -240,8 +240,8 @@
       abs_tol = absolute_tolerance ();
       rel_tol = relative_tolerance ();
 
-      octave_idx_type abs_tol_len = abs_tol.length ();
-      octave_idx_type rel_tol_len = rel_tol.length ();
+      octave_idx_type abs_tol_len = abs_tol.numel ();
+      octave_idx_type rel_tol_len = rel_tol.numel ();
 
       if (abs_tol_len == 1 && rel_tol_len == 1)
         {
@@ -302,7 +302,7 @@
           {
             Array<octave_idx_type> ict = inequality_constraint_types ();
 
-            if (ict.length () == n)
+            if (ict.numel () == n)
               {
                 for (octave_idx_type i = 0; i < n; i++)
                   {
@@ -347,7 +347,7 @@
 
               Array<octave_idx_type> av = algebraic_variables ();
 
-              if (av.length () == n)
+              if (av.numel () == n)
                 {
                   octave_idx_type lid;
                   if (eiq == 0 || eiq == 2)
@@ -387,7 +387,7 @@
 
           Array<octave_idx_type> av = algebraic_variables ();
 
-          if (av.length () == n)
+          if (av.numel () == n)
             {
               octave_idx_type lid;
               if (eiq == 0 || eiq == 2)
@@ -406,7 +406,7 @@
         {
           Array<double> ich = initial_condition_heuristics ();
 
-          if (ich.length () == 6)
+          if (ich.numel () == 6)
             {
               iwork(31) = NINTbig (ich(0));
               iwork(32) = NINTbig (ich(1));