Mercurial > octave
view liboctave/util/r1mach.f @ 31706:597f3ee61a48 stable
update Octave Project Developers copyright for the new year
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 06 Jan 2023 13:11:27 -0500 |
parents | 796f54d4ddbf |
children | 2e484f9f1f18 |
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c Copyright (C) 1993-2023 The Octave Project Developers c c See the file COPYRIGHT.md in the top-level directory of this c distribution or <https://octave.org/copyright/>. c c This file is part of Octave. c c Octave is free software: you can redistribute it and/or modify it c under the terms of the GNU General Public License as published by c the Free Software Foundation, either version 3 of the License, or c (at your option) any later version. c c Octave is distributed in the hope that it will be useful, but c WITHOUT ANY WARRANTY; without even the implied warranty of c MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the c GNU General Public License for more details. c c You should have received a copy of the GNU General Public License c along with Octave; see the file COPYING. If not, see c <https://www.gnu.org/licenses/>. c real function r1mach (i) integer i logical init real rmach(5) real slamch external slamch save init, rmach data init /.false./ if (.not. init) then rmach(1) = slamch ('u') rmach(2) = slamch ('o') rmach(3) = slamch ('e') rmach(4) = slamch ('p') rmach(5) = log10 (slamch ('b')) init = .true. endif if (i .lt. 1 .or. i .gt. 5) goto 999 r1mach = rmach(i) return 999 write (*, 1999) i 1999 format (' r1mach - i out of bounds', i10) call xstopx (' ') r1mach = 0 end