revamp double, single, int type conversions * ov-type-conv.h: Delete. * libinterp/octave-value/module.mk: Update. * op-double-conv.cc, op-float-conv.cc, op-int-conv.cc: Delete. * libinterp/operators/module.mk: Update. * ov.h, ov.cc, ov-base.h, ov-base.cc (octave_value::as_double, octave_value::as_single, octave_value:as_int8, octave_value:as_int16, octave_value:as_int32, octave_value:as_int64, octave_value:as_uint8, octave_value:as_uint16, octave_value:as_uint32, octave_value:as_uint64): New functions. * ov.cc (Fdouble, Fsingle, Fint8, Fint16, Fint32, Fint64, Fuint8, Fuint16, Fuint32, Fuint64): Move here. Simply call as_double, as_single, etc. member functions. * ov-base-int.cc, ov-base-int.h, ov-base-scalar.cc, ov-bool-mat.cc, ov-bool-mat.h, ov-bool-sparse.cc, ov-bool-sparse.h, ov-bool.cc, ov-bool.h, ov-ch-mat.cc, ov-ch-mat.h, ov-complex.cc, ov-complex.h, ov-cx-diag.cc, ov-cx-diag.h, ov-cx-mat.cc, ov-cx-mat.h, ov-cx-sparse.cc, ov-cx-sparse.h, ov-float.cc, ov-float.h, ov-flt-complex.cc, ov-flt-complex.h, ov-flt-cx-diag.cc, ov-flt-cx-diag.h, ov-flt-cx-mat.cc, ov-flt-cx-mat.h, ov-flt-re-diag.cc, ov-flt-re-diag.h, ov-flt-re-mat.cc, ov-flt-re-mat.h, ov-int16.cc, ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-perm.cc, ov-perm.h, ov-range.cc, ov-range.h, ov-re-diag.cc, ov-re-diag.h, ov-re-mat.cc, ov-re-mat.h, ov-re-sparse.cc, ov-re-sparse.h, ov-scalar.cc, ov-scalar.h, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc: Define as_double, as_single, etc. member functions as appropriate. * ov-typeinfo.h, ov-typeinfo.cc (octave_value_typeinfo::type_conv_ops): Delete data member. Remove all uses. (octave_value_typeinfo::register_type_conv_op): Delete. (octave_value_typeinfo::do_register_type_conv_op): Delete. (octave_value_typeinfo::do_lookup_type_conv_op): Delete. * ops.h (INSTALL_CONVOP, CONVDECLX, DEFCONVFNX, DEFCONVFNX2, DEFDBLCONVFN, DEFFLTCONVFN, DEFSTRINTCONVFN, DEFSTRDBLCONVFN, DEFSTRFLTCONVFN, DEFCONVFN, DEFCONVFN2): Delete obsolete macros. * op-bm-bm.cc, op-cdm-cdm.cc, op-cm-cm.cc, op-cs-cs.cc, op-dm-dm.cc, op-fcdm-fcdm.cc, op-fcm-fcm.cc, op-fcs-fcs.cc, op-fdm-fdm.cc, op-fm-fm.cc, op-fs-fs.cc, op-m-m.cc, op-pm-pm.cc, op-s-s.cc, op-sbm-sbm.cc: Delete unused type conversion functions.

--- a/libinterp/octave-value/ov-bool-mat.cc	Sun Aug 14 20:16:09 2016 -0700
+++ b/libinterp/octave-value/ov-bool-mat.cc	Mon Aug 15 02:01:29 2016 -0400
@@ -28,6 +28,17 @@
 #include <iostream>
 #include <vector>
 
+#include "dNDArray.h"
+#include "fNDArray.h"
+#include "int8NDArray.h"
+#include "int16NDArray.h"
+#include "int32NDArray.h"
+#include "int64NDArray.h"
+#include "uint8NDArray.h"
+#include "uint16NDArray.h"
+#include "uint32NDArray.h"
+#include "uint64NDArray.h"
+
 #include "lo-ieee.h"
 #include "mx-base.h"
 #include "oct-locbuf.h"
@@ -166,6 +177,66 @@
   return tmp.convert_to_str (pad, force, type);
 }
 
+octave_value
+octave_bool_matrix::as_double (void) const
+{
+  return NDArray (matrix);
+}
+
+octave_value
+octave_bool_matrix::as_single (void) const
+{
+  return FloatNDArray (matrix);
+}
+
+octave_value
+octave_bool_matrix::as_int8 (void) const
+{
+  return int8NDArray (matrix);
+}
+
+octave_value
+octave_bool_matrix::as_int16 (void) const
+{
+  return int16NDArray (matrix);
+}
+
+octave_value
+octave_bool_matrix::as_int32 (void) const
+{
+  return int32NDArray (matrix);
+}
+
+octave_value
+octave_bool_matrix::as_int64 (void) const
+{
+  return int64NDArray (matrix);
+}
+
+octave_value
+octave_bool_matrix::as_uint8 (void) const
+{
+  return uint8NDArray (matrix);
+}
+
+octave_value
+octave_bool_matrix::as_uint16 (void) const
+{
+  return uint16NDArray (matrix);
+}
+
+octave_value
+octave_bool_matrix::as_uint32 (void) const
+{
+  return uint32NDArray (matrix);
+}
+
+octave_value
+octave_bool_matrix::as_uint64 (void) const
+{
+  return uint64NDArray (matrix);
+}
+
 void
 octave_bool_matrix::print_raw (std::ostream& os,
                                bool pr_as_read_syntax) const