Mercurial > octave
view libinterp/octave-value/ov-null-mat.cc @ 21647:66cae7a6dc47
eliminate some macros for operator definitions
* ops.h (CAST_UNOP_ARG, CAST_BINOP_ARGS, CAST_CONV_ARG, ASSIGNOPDECL,
NULLASSIGNOPDECL, ASSIGNANYOPDECL, DEFASSIGNOP, DEFASSIGNOP_FN,
UNOPDECL, BINOPDECL, CATOPDECL): Delete macros.
* make_int.cc, ov-bool-mat.cc, ov-bool-sparse.cc, ov-bool.cc,
ov-complex.cc, ov-cx-diag.cc, ov-cx-mat.cc, ov-flt-cx-diag.cc,
ov-flt-re-diag.cc, ov-lazy-idx.cc, ov-null-mat.cc, ov-perm.cc,
ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-scalar.cc, ov-str-mat.cc,
op-b-b.cc, op-b-bm.cc, op-b-sbm.cc, op-bm-bm.cc, op-bm-sbm.cc,
op-cdm-cdm.cc, op-cell.cc, op-chm.cc, op-cm-cm.cc, op-cm-cs.cc,
op-cm-m.cc, op-cm-s.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc,
op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc, op-cs-scm.cc, op-cs-sm.cc,
op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc, op-dm-template.cc,
op-dms-template.cc, op-fcdm-fcdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc,
op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc,
op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fdm.cc, op-fm-fcm.cc, op-fm-fcs.cc,
op-fm-fm.cc, op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc,
op-fs-fs.cc, op-int-conv.cc, op-int.h, op-m-cm.cc, op-m-cs.cc,
op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-pm-pm.cc,
op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc, op-range.cc, op-s-cm.cc,
op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc, op-s-sm.cc,
op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc,
op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc,
op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc,
op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, ops.h:
Expand eliminated macros in place.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Wed, 27 Apr 2016 16:13:40 -0400 |
parents | 40de9f8f23a6 |
children | aba2e6293dd8 |
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/* Copyright (C) 2008-2015 Jaroslav Hajek This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "ov-null-mat.h" #include "ops.h" #include "defun.h" DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_null_matrix, "null_matrix", "double"); const octave_value octave_null_matrix::instance (new octave_null_matrix ()); static octave_base_value * default_null_matrix_numeric_conversion_function (const octave_base_value& a) { // The cast is not necessary? // const octave_null_matrix& v = dynamic_cast<const octave_null_matrix&> (a); return a.empty_clone (); } octave_base_value::type_conv_info octave_null_matrix::numeric_conversion_function (void) const { return octave_base_value::type_conv_info (default_null_matrix_numeric_conversion_function, octave_matrix::static_type_id ()); } DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_null_str, "null_string", "char"); const octave_value octave_null_str::instance (new octave_null_str ()); static octave_base_value * default_null_str_numeric_conversion_function (const octave_base_value& a) { // The cast is not necessary? // const octave_null_str& v = dynamic_cast<const octave_null_str&> (a); return a.empty_clone (); } octave_base_value::type_conv_info octave_null_str::numeric_conversion_function (void) const { return octave_base_value::type_conv_info (default_null_str_numeric_conversion_function, octave_char_matrix_str::static_type_id ()); } DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_null_sq_str, "null_sq_string", "char"); const octave_value octave_null_sq_str::instance (new octave_null_sq_str ()); static octave_base_value * default_null_sq_str_numeric_conversion_function (const octave_base_value& a) { // The cast is not necessary? // const octave_null_sq_str& v = dynamic_cast<const octave_null_sq_str&> (a); return a.empty_clone (); } octave_base_value::type_conv_info octave_null_sq_str::numeric_conversion_function (void) const { return octave_base_value::type_conv_info (default_null_sq_str_numeric_conversion_function, octave_char_matrix_sq_str::static_type_id ()); } DEFUN (isnull, args, , "-*- texinfo -*-\n\ @deftypefn {} {} isnull (@var{x})\n\ Return true if @var{x} is a special null matrix, string, or single quoted\n\ string.\n\ \n\ Indexed assignment with such a value on the right-hand side should delete\n\ array elements. This function should be used when overloading indexed\n\ assignment for user-defined classes instead of @code{isempty}, to\n\ distinguish the cases:\n\ \n\ @table @asis\n\ @item @code{A(I) = []}\n\ This should delete elements if @code{I} is nonempty.\n\ \n\ @item @code{X = []; A(I) = X}\n\ This should give an error if @code{I} is nonempty.\n\ @end table\n\ @seealso{isempty, isindex}\n\ @end deftypefn") { if (args.length () != 1) print_usage (); return ovl (args(0).is_null_value ()); } /* %!assert (isnull ([]), true) %!assert (isnull ([1]), false) %!assert (isnull (zeros (0,3)), false) %!assert (isnull (""), true) %!assert (isnull ("A"), false) %!assert (isnull (''), true) %!assert (isnull ('A'), false) %!test %! x = []; %! assert (isnull (x), false); */