Mercurial > octave
view libinterp/corefcn/procstream.h @ 24785:504869574c89
restore auto switch to E formats octave_print_internal functions
* pr-output.cc (pr_output_traits::max_field_width): New variable.
(make_real_format, make_real_matrix_format, make_complex_format,
make_complex_matrix_format, make_range_format): Switch to E format if
computed field width exceeds max field width for type or if computed
number of digits to display exceeds max meaningful digits for type.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Wed, 21 Feb 2018 15:41:52 -0500 |
parents | 194eb4bd202b |
children | 6652d3823428 |
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/* Copyright (C) 1993-2017 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 <https://www.gnu.org/licenses/>. */ #if ! defined (octave_procstream_h) #define octave_procstream_h 1 #include "octave-config.h" #include <istream> #include <ostream> #include <string> #include <sys/types.h> #include "oct-procbuf.h" class OCTINTERP_API procstreambase : virtual public std::ios { public: procstreambase (void) : pb () { pb_init (); } procstreambase (const std::string& name, int mode); procstreambase (const char *name, int mode); ~procstreambase (void) { close (); } void open (const std::string& name, int mode) { open (name.c_str (), mode); } void open (const char *name, int mode); int is_open (void) const { return pb.is_open (); } int close (void); pid_t pid (void) const { return pb.pid (); } int file_number (void) const { return pb.file_number (); } private: octave_procbuf pb; void pb_init (void) { init (&pb); } procstreambase (const procstreambase&); procstreambase& operator = (const procstreambase&); }; class OCTINTERP_API iprocstream : public std::istream, public procstreambase // iprocstream : public procstreambase, public std::istream { public: iprocstream (void) : std::istream (nullptr), procstreambase () { } iprocstream (const std::string& name, int mode = std::ios::in) : std::istream (nullptr), procstreambase (name, mode) { } iprocstream (const char *name, int mode = std::ios::in) : std::istream (nullptr), procstreambase (name, mode) { } ~iprocstream (void) = default; void open (const std::string& name, int mode = std::ios::in) { procstreambase::open (name, mode); } void open (const char *name, int mode = std::ios::in) { procstreambase::open (name, mode); } private: iprocstream (const iprocstream&); iprocstream& operator = (const iprocstream&); }; class OCTINTERP_API oprocstream : public std::ostream, public procstreambase // oprocstream : public procstreambase, public std::ostream { public: oprocstream (void) : std::ostream (nullptr), procstreambase () { } oprocstream (const std::string& name, int mode = std::ios::out) : std::ostream (nullptr), procstreambase (name, mode) { } oprocstream (const char *name, int mode = std::ios::out) : std::ostream (nullptr), procstreambase (name, mode) { } ~oprocstream (void) = default; void open (const std::string& name, int mode = std::ios::out) { procstreambase::open (name, mode); } void open (const char *name, int mode = std::ios::out) { procstreambase::open (name, mode); } private: oprocstream (const oprocstream&); oprocstream& operator = (const oprocstream&); }; class OCTINTERP_API procstream : public std::iostream, public procstreambase // procstream : public procstreambase, public std::iostream { public: procstream (void) : std::iostream (nullptr), procstreambase () { } procstream (const std::string& name, int mode) : std::iostream (nullptr), procstreambase (name, mode) { } procstream (const char *name, int mode) : std::iostream (nullptr), procstreambase (name, mode) { } ~procstream (void) = default; void open (const std::string& name, int mode) { procstreambase::open (name, mode); } void open (const char *name, int mode) { procstreambase::open (name, mode); } private: procstream (const procstream&); procstream& operator = (const procstream&); }; #endif