use namespace for numeric_limits * lo-ieee.h (octave_numeric_limits): Rename to numeric_limits and define inside octave namespace. * Canvas.cc, data.cc, graphics.cc, graphics.in.h, oct-handle.h, oct-stream.cc, quadcc.cc, sparse-xdiv.cc, str2double.cc, variables.h, __glpk__.cc, __init_fltk__.cc, __voronoi__.cc, octave.cc, CMatrix.cc, CNDArray.cc, CSparse.cc, Sparse-C.cc, dDiagMatrix.cc, dMatrix.cc, dSparse.cc, fCMatrix.cc, fCNDArray.cc, fDiagMatrix.cc, fMatrix.cc, Faddeeva.cc, eigs-base.cc, lo-mappers.cc, lo-mappers.h, lo-specfun.cc, oct-norm.cc, oct-rand.cc, oct-rand.h, oct-spparms.cc, randgamma.cc, randpoisson.cc, lo-utils.cc: Change all uses of octave_numeric_limits to octave::numeric_limits.

--- a/libinterp/corefcn/data.cc	Tue May 17 01:23:24 2016 -0400
+++ b/libinterp/corefcn/data.cc	Tue May 17 11:32:53 2016 -0400
@@ -5669,7 +5669,7 @@
       if (str == "fro")
         p_arg = octave_value (2);
       else if (str == "inf")
-        p_arg = octave_numeric_limits<double>::Inf ();
+        p_arg = octave::numeric_limits<double>::Inf ();
       else
         error ("norm: unrecognized option: %s", str.c_str ());
     }
@@ -5697,7 +5697,7 @@
       break;
 
     case sfinf:
-      retval = xnorm (x_arg, octave_numeric_limits<double>::Inf ());
+      retval = xnorm (x_arg, octave::numeric_limits<double>::Inf ());
       break;
     }