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/build-aux/mk-opts.pl	Tue May 26 21:07:42 2015 -0700
+++ b/build-aux/mk-opts.pl	Sat May 30 03:14:07 2015 +0100
@@ -676,14 +676,14 @@
               $elt_type = "octave_idx_type";
             }
           print qq|    Array<$elt_type> val = $STATIC_OBJECT_NAME.$OPT[$i] ();\n\n|;
-          print qq|    if (val.length () == 1)
+          print qq|    if (val.numel () == 1)
       {
         os << val(0) << "\\n";
       }
     else
       {
         os << "\\n\\n";
-        octave_idx_type len = val.length ();
+        octave_idx_type len = val.numel ();
         Matrix tmp (len, 1);
         for (octave_idx_type i = 0; i < len; i++)
           tmp(i,0) = val(i);
@@ -694,7 +694,7 @@
       elsif ($TYPE[$i] eq "Array<double>")
         {
           print qq|    Array<double> val = $STATIC_OBJECT_NAME.$OPT[$i] ();\n\n|;
-          print qq|    if (val.length () == 1)
+          print qq|    if (val.numel () == 1)
       {
         os << val(0) << "\\n";
       }
@@ -709,7 +709,7 @@
       elsif ($TYPE[$i] eq "Array<float>")
         {
           print qq|    Array<float> val = $STATIC_OBJECT_NAME.$OPT[$i] ();\n\n|;
-          print qq|    if (val.length () == 1)
+          print qq|    if (val.numel () == 1)
       {
         os << val(0) << "\\n";
       }
@@ -856,13 +856,13 @@
               $elt_type = "octave_idx_type";
             }
           print "      Array<$elt_type> val = $STATIC_OBJECT_NAME.$OPT[$i] ();\n\n";
-          print "      if (val.length () == 1)
+          print "      if (val.numel () == 1)
         {
           retval = static_cast<double> (val(0));
         }
       else
         {
-          octave_idx_type len = val.length ();
+          octave_idx_type len = val.numel ();
           ColumnVector tmp (len);
           for (octave_idx_type i = 0; i < len; i++)
             tmp(i) = val(i);
@@ -872,7 +872,7 @@
       elsif ($TYPE[$i] eq "Array<double>")
         {
           print "      Array<double> val = $STATIC_OBJECT_NAME.$OPT[$i] ();\n\n";
-          print "      if (val.length () == 1)
+          print "      if (val.numel () == 1)
         {
           retval = val(0);
         }
@@ -884,7 +884,7 @@
       elsif ($TYPE[$i] eq "Array<float>")
         {
           print "      Array<float> val = $STATIC_OBJECT_NAME.$OPT[$i] ();\n\n";
-          print "      if (val.length () == 1)
+          print "      if (val.numel () == 1)
         {
           retval = val(0);
         }