Mercurial > octave-nkf
view libinterp/corefcn/defun.cc @ 18518:0bdecd41b2dd stable
correctly size fread result (bug #41648)
* oct-stream.cc (octave_base_stream::read): When reading to EOF, don't
add extra column to the result matrix if the number of elements found
is an exact multiple of the number of rows requested.
Avoid mixed signed/unsigned comparisons.
* io.tst: New tests.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Sat, 22 Feb 2014 13:06:18 -0500 |
parents | 175b392e91fe |
children | 4197fc428c7d |
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/* Copyright (C) 1996-2013 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 <sstream> #include <iostream> #include <string> #include "defun.h" #include "dynamic-ld.h" #include "error.h" #include "help.h" #include "ov.h" #include "ov-builtin.h" #include "ov-dld-fcn.h" #include "ov-fcn.h" #include "ov-mex-fcn.h" #include "ov-usr-fcn.h" #include "oct-obj.h" #include "oct-lvalue.h" #include "pager.h" #include "symtab.h" #include "toplev.h" #include "variables.h" #include "parse.h" // Print the usage part of the doc string of FCN (user-defined or DEFUN). void print_usage (void) { const octave_function *cur = octave_call_stack::current (); if (cur) print_usage (cur->name ()); else error ("print_usage: invalid function"); } void print_usage (const std::string& name) { feval ("print_usage", octave_value (name), 0); } void check_version (const std::string& version, const std::string& fcn) { if (version != OCTAVE_API_VERSION) { error ("API version %s found in .oct file function '%s'\n" " does not match the running Octave (API version %s)\n" " this can lead to incorrect results or other failures\n" " you can fix this problem by recompiling this .oct file", version.c_str (), fcn.c_str (), OCTAVE_API_VERSION); } } // Install variables and functions in the symbol tables. void install_builtin_function (octave_builtin::fcn f, const std::string& name, const std::string& file, const std::string& doc, bool /* can_hide_function -- not yet implemented */) { octave_value fcn (new octave_builtin (f, name, file, doc)); symbol_table::install_built_in_function (name, fcn); } void install_dld_function (octave_dld_function::fcn f, const std::string& name, const octave_shlib& shl, const std::string& doc, bool relative) { octave_dld_function *fcn = new octave_dld_function (f, shl, name, doc); if (relative) fcn->mark_relative (); octave_value fval (fcn); symbol_table::install_built_in_function (name, fval); } void install_mex_function (void *fptr, bool fmex, const std::string& name, const octave_shlib& shl, bool relative) { octave_mex_function *fcn = new octave_mex_function (fptr, fmex, shl, name); if (relative) fcn->mark_relative (); octave_value fval (fcn); symbol_table::install_built_in_function (name, fval); } void alias_builtin (const std::string& alias, const std::string& name) { symbol_table::alias_built_in_function (alias, name); } octave_shlib get_current_shlib (void) { octave_shlib retval; octave_function *curr_fcn = octave_call_stack::current (); if (curr_fcn) { if (curr_fcn->is_dld_function ()) { octave_dld_function *dld = dynamic_cast<octave_dld_function *> (curr_fcn); retval = dld->get_shlib (); } else if (curr_fcn->is_mex_function ()) { octave_mex_function *mex = dynamic_cast<octave_mex_function *> (curr_fcn); retval = mex->get_shlib (); } } return retval; } bool defun_isargout (int nargout, int iout) { const std::list<octave_lvalue> *lvalue_list = octave_builtin::curr_lvalue_list; if (iout >= std::max (nargout, 1)) return false; else if (lvalue_list) { int k = 0; for (std::list<octave_lvalue>::const_iterator p = lvalue_list->begin (); p != lvalue_list->end (); p++) { if (k == iout) return ! p->is_black_hole (); k += p->numel (); if (k > iout) break; } return true; } else return true; } void defun_isargout (int nargout, int nout, bool *isargout) { const std::list<octave_lvalue> *lvalue_list = octave_builtin::curr_lvalue_list; if (lvalue_list) { int k = 0; for (std::list<octave_lvalue>::const_iterator p = lvalue_list->begin (); p != lvalue_list->end () && k < nout; p++) { if (p->is_black_hole ()) isargout[k++] = false; else { int l = std::min (k + p->numel (), static_cast<octave_idx_type> (nout)); while (k < l) isargout[k++] = true; } } } else for (int i = 0; i < nout; i++) isargout[i] = true; for (int i = std::max (nargout, 1); i < nout; i++) isargout[i] = false; }