Mercurial > hg > octave-lyh
diff src/ov-range.cc @ 2376:2142216bf85a
[project @ 1996-10-12 01:39:07 by jwe]
author | jwe |
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date | Sat, 12 Oct 1996 01:39:21 +0000 |
parents | |
children | 367485171742 |
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new file mode 100644 --- /dev/null +++ b/src/ov-range.cc @@ -0,0 +1,136 @@ +/* + +Copyright (C) 1996 John W. Eaton + +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 2, 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, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +*/ + +#if defined (__GNUG__) +#pragma implementation +#endif + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "lo-ieee.h" +#include "lo-utils.h" + +#include "gripes.h" +#include "ops.h" +#include "ov-range.h" +#include "ov-re-mat.h" +#include "pr-output.h" + +int octave_range::t_id = -1; + +const string octave_range::t_name ("range"); + +static octave_value * +default_numeric_conversion_function (const octave_value& a) +{ + CAST_CONV_ARG (const octave_range&); + + return new octave_matrix (v.matrix_value ()); +} + +octave_value::numeric_conv_fcn +octave_range::numeric_conversion_function (void) const +{ + return default_numeric_conversion_function; +} + +double +octave_range::double_value (bool) const +{ + double retval = octave_NaN; + + int nel = range.nelem (); + + if (nel == 1 || (nel > 1 && Vdo_fortran_indexing)) + retval = range.base (); + else + gripe_invalid_conversion ("range", "real scalar"); + + return retval; +} + +octave_value +octave_range::all (void) const +{ + octave_value retval; + error ("octave_range::all(): not implemented"); + return retval; +} + +octave_value +octave_range::any (void) const +{ + octave_value retval; + error ("octave_range::any(): not implemented"); + return retval; +} + +bool +octave_range::is_true (void) const +{ + bool retval = false; + error ("octave_range::is_true(): not implemented"); + return retval; +} + +Complex +octave_range::complex_value (bool) const +{ + Complex retval (octave_NaN, octave_NaN); + + int nel = range.nelem (); + + if (nel == 1 || (nel > 1 && Vdo_fortran_indexing)) + retval = range.base (); + else + gripe_invalid_conversion ("range", "complex scalar"); + + return retval; +} + +octave_value +octave_range::transpose (void) const +{ + Matrix tmp (matrix_value ()); + return tmp.transpose (); +} + +octave_value +octave_range::hermitian (void) const +{ + Matrix tmp (matrix_value ()); + return tmp.transpose (); +} + +void +octave_range::print (ostream& os) +{ + octave_print_internal (os, range, false, struct_indent); +} + +/* +;;; Local Variables: *** +;;; mode: C++ *** +;;; End: *** +*/