Mercurial > octave
view libinterp/octave-value/ov-base-scalar.cc @ 23807:336f89b6208b
Use character literals 'c' rather than string literals "c" when possible.
Better performance when string constructor isn't required.
* Figure.cc, __init_qt__.cc, files-dock-widget.cc, file-editor-tab.cc,
file-editor.cc, octave-qscintilla.cc, main-window.cc, octave-dock-widget.cc,
octave-qt-link.cc, parser.cc, webinfo.cc, resource-manager.cc,
settings-dialog.cc, workspace-view.cc, __magick_read__.cc, balance.cc,
debug.cc, dynamic-ld.cc, ft-text-renderer.cc, gl-render.cc, gl2ps-print.cc,
graphics.cc, hook-fcn.h, input.cc, load-path.cc, load-save.cc, ls-hdf5.cc,
oct-hist.cc, oct-stream.cc, pager.cc, pr-output.cc, qz.cc, symtab.cc, symtab.h,
tril.cc, __delaunayn__.cc, __init_fltk__.cc, __voronoi__.cc, audioread.cc,
ccolamd.cc, colamd.cc, convhulln.cc, ov-base-int.cc, ov-base-mat.cc,
ov-base-scalar.cc, ov-base.cc, ov-bool-mat.cc, ov-cell.cc, ov-class.cc,
ov-classdef.cc, ov-colon.cc, ov-complex.cc, ov-cx-mat.cc, ov-fcn-handle.cc,
ov-fcn-inline.cc, ov-fcn.h, ov-flt-cx-mat.cc, ov-flt-re-mat.cc, ov-java.cc,
ov-oncleanup.cc, ov-range.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-str-mat.cc,
ov-struct.cc, ov-usr-fcn.cc, ov.cc, octave.cc, bp-table.cc, jit-ir.cc,
jit-ir.h, jit-typeinfo.cc, pt-funcall.cc, pt-idx.cc, pt-pr-code.cc, pt.h,
Array.cc, CDiagMatrix.cc, CMatrix.cc, CNDArray.cc, CRowVector.cc, CSparse.cc,
Range.cc, boolSparse.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc,
dRowVector.cc, dSparse.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc,
fCRowVector.cc, fDiagMatrix.cc, fMatrix.cc, fNDArray.cc, fRowVector.cc,
idx-vector.cc, intNDArray.cc, CollocWt.cc, DASPK.cc, DASRT.cc, DASSL.cc,
LSODE.cc, oct-time.cc, cmd-hist.cc, kpse.cc, lo-array-errwarn.cc, lo-regexp.cc,
lo-utils.cc, str-vec.cc, url-transfer.cc, main-cli.cc, main-gui.cc,
mkoctfile.in.cc:
Replace 1-character string literals "c" with the character literal 'c'.
author | Rik <rik@octave.org> |
---|---|
date | Fri, 28 Jul 2017 15:40:00 -0700 |
parents | 092078913d54 |
children | 194eb4bd202b |
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/* Copyright (C) 1996-2017 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/>. */ // This file should not include config.h. It is only included in other // C++ source files that should have included config.h before including // this file. #include <iostream> #include "oct-inttypes.h" #include "ovl.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 <typename 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 <typename 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) { std::string nm = type_name (); error ("in indexed assignment of %s, last rhs index must be ()", nm.c_str ()); } retval = numeric_assign (type, idx, rhs); } 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 <typename ST> dim_vector octave_base_scalar<ST>::dims (void) const { static dim_vector dv (1, 1); return dv; } template <typename ST> octave_value octave_base_scalar<ST>::permute (const Array<int>& vec, bool inv) const { return Array<ST> (dim_vector (1, 1), scalar).permute (vec, inv); } template <typename ST> octave_value octave_base_scalar<ST>::reshape (const dim_vector& new_dims) const { return Array<ST> (dim_vector (1, 1), scalar).reshape (new_dims); } template <typename ST> octave_value octave_base_scalar<ST>::diag (octave_idx_type k) const { return Array<ST> (dim_vector (1, 1), scalar).diag (k); } template <typename ST> octave_value octave_base_scalar<ST>::diag (octave_idx_type m, octave_idx_type n) const { return Array<ST> (dim_vector (1, 1), scalar).diag (m, n); } template <typename ST> bool octave_base_scalar<ST>::is_true (void) const { if (octave::math::isnan (scalar)) octave::err_nan_to_logical_conversion (); return (scalar != ST ()); } template <typename ST> void octave_base_scalar<ST>::print (std::ostream& os, bool pr_as_read_syntax) { print_raw (os, pr_as_read_syntax); newline (os); } template <typename 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 <typename ST> bool octave_base_scalar<ST>::print_name_tag (std::ostream& os, const std::string& name) const { indent (os); os << name << " = "; return false; } template <typename ST> void octave_base_scalar<ST>::short_disp (std::ostream& os) const { std::ostringstream buf; octave_print_internal (buf, scalar); std::string tmp = buf.str (); size_t pos = tmp.find_first_not_of (' '); if (pos != std::string::npos) os << tmp.substr (pos); else if (! tmp.empty ()) os << tmp[0]; } template <typename ST> octave_value octave_base_scalar<ST>::fast_elem_extract (octave_idx_type n) const { return (n == 0) ? octave_value (scalar) : octave_value (); } template <typename ST> bool octave_base_scalar<ST>::fast_elem_insert_self (void *where, builtin_type_t btyp) const { // Don't use builtin_type () here to avoid an extra VM call. if (btyp == class_to_btyp<ST>::btyp) { *(reinterpret_cast<ST *>(where)) = scalar; return true; } else return false; }