maint: for clarity, call ndims() rather than length() on dimension vectors. * ov-re-sparse.cc, QtHandlesUtils.cc, __lin_interpn__.cc, bsxfun.cc, cellfun.cc, data.cc, dot.cc, ellipj.cc, fft.cc, fft2.cc, fftn.cc, filter.cc, gl-render.cc, graphics.cc, mex.cc, oct-map.h, sub2ind.cc, symtab.cc, tril.cc, typecast.cc, utils.cc, variables.cc, ov-base-diag.cc, ov-base-int.cc, ov-base.cc, ov-base.h, ov-bool-mat.cc, ov-bool-sparse.cc, ov-cell.cc, ov-class.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-flt-cx-mat.cc, ov-flt-re-mat.cc, ov-intx.h, ov-java.cc, ov-lazy-idx.cc, ov-re-mat.cc, ov-str-mat.cc, ov-struct.cc, ov.cc, pt-arg-list.cc, pt-mat.cc, Array-util.cc, Array.cc, Array.h, CNDArray.cc, CSparse.cc, Sparse.cc, Sparse.h, dNDArray.cc, dSparse.cc, dim-vector.cc, dim-vector.h, fCNDArray.cc, fNDArray.cc, idx-vector.cc, bsxfun.h, oct-fftw.cc, mx-inlines.cc, lo-array-errwarn.cc, lo-array-gripes.cc: For clarity, call ndims() rather than length() on dimension vectors.

--- a/libinterp/corefcn/fft2.cc	Fri Apr 29 16:40:38 2016 -0400
+++ b/libinterp/corefcn/fft2.cc	Mon May 02 08:53:18 2016 -0700
@@ -77,7 +77,7 @@
         error ("%s: number of columns (M) must be greater than zero", fcn);
     }
 
-  for (int i = 0; i < dims.length (); i++)
+  for (int i = 0; i < dims.ndims (); i++)
     if (dims(i) < 0)
       return retval;