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view src/ov-base-scalar.cc @ 8920:eb63fbe60fab
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author | John W. Eaton <jwe@octave.org> |
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date | Sat, 07 Mar 2009 10:41:27 -0500 |
parents | 1dce30ab0e72 |
children | cd96d29c5efa |
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/* Copyright (C) 1996, 1997, 1999, 2000, 2002, 2004, 2005, 2007, 2008, 2009 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 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 <iostream> #include "oct-obj.h" #include "ov-base.h" #include "ov-cx-mat.h" #include "ov-re-mat.h" #include "ov-base-scalar.h" #include "pr-output.h" template <class ST> octave_value octave_base_scalar<ST>::subsref (const std::string& type, const std::list<octave_value_list>& idx) { octave_value retval; switch (type[0]) { case '(': retval = do_index_op (idx.front ()); break; case '{': case '.': { std::string nm = type_name (); error ("%s cannot be indexed with %c", nm.c_str (), type[0]); } break; default: panic_impossible (); } return retval.next_subsref (type, idx); } template <class ST> octave_value octave_base_scalar<ST>::subsasgn (const std::string& type, const std::list<octave_value_list>& idx, const octave_value& rhs) { octave_value retval; switch (type[0]) { case '(': { if (type.length () == 1) retval = numeric_assign (type, idx, rhs); else { std::string nm = type_name (); error ("in indexed assignment of %s, last rhs index must be ()", nm.c_str ()); } } break; case '{': case '.': { std::string nm = type_name (); error ("%s cannot be indexed with %c", nm.c_str (), type[0]); } break; default: panic_impossible (); } return retval; } template <class ST> bool octave_base_scalar<ST>::is_true (void) const { bool retval = false; if (xisnan (scalar)) error ("invalid conversion from NaN to logical"); else retval = (scalar != ST ()); return retval; } template <class ST> void octave_base_scalar<ST>::print (std::ostream& os, bool pr_as_read_syntax) const { print_raw (os, pr_as_read_syntax); newline (os); } template <class ST> void octave_base_scalar<ST>::print_raw (std::ostream& os, bool pr_as_read_syntax) const { indent (os); octave_print_internal (os, scalar, pr_as_read_syntax); } template <class ST> bool octave_base_scalar<ST>::print_name_tag (std::ostream& os, const std::string& name) const { indent (os); os << name << " = "; return false; } /* ;;; Local Variables: *** ;;; mode: C++ *** ;;; End: *** */