Mercurial > octave
view libinterp/corefcn/pr-flt-fmt.cc @ 27477:b470734a025e
Return an empty string from rats when input is empty (bug #57004).
* pr-output.cc (Frats): Use isempty() to detect special case of input early and
immediately return an empty string. Add BIST test for bug #57004.
author | Rik <rik@octave.org> |
---|---|
date | Sat, 05 Oct 2019 14:04:36 -0700 |
parents | 00f796120a6d |
children | b442ec6dda5c |
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/* Copyright (C) 1993-2019 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 (HAVE_CONFIG_H) # include "config.h" #endif #include "defun.h" #include "error.h" #include "pr-flt-fmt.h" #include "variables.h" // The precision of the numbers printed by the default output // routines. static int Voutput_precision = 5; int output_precision (void) { return Voutput_precision; } void set_output_prec (int prec) { Voutput_precision = prec; } DEFUN (output_precision, args, nargout, doc: /* -*- texinfo -*- @deftypefn {} {@var{val} =} output_precision () @deftypefnx {} {@var{old_val} =} output_precision (@var{new_val}) @deftypefnx {} {} output_precision (@var{new_val}, "local") Query or set the internal variable that specifies the minimum number of significant figures to display for numeric output. Note that regardless of the value set for @code{output_precision}, the number of digits of precision displayed is limited to 16 for double precision values and 7 for single precision values. When called from inside a function with the @qcode{"local"} option, the variable is changed locally for the function and any subroutines it calls. The original variable value is restored when exiting the function. @seealso{format, fixed_point_format} @end deftypefn */) { return SET_INTERNAL_VARIABLE_WITH_LIMITS (output_precision, 0, 16); }