ruby-mpfi is an extended C library to use MPFI which is the library of the interval arithmetic with multiprecision.
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Many methods have not been tested sufficiently.
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Documentation is not complete.
You must require ‘mpfr’ to use ‘mpfi’.
require "mpfr" require "mpfi" MPFR.set_default_prec(100) a = MPFI(-5) b = MPFI(3.4) c = a - b
The package of rubygems of ruby-mpfr is provided. You can install ruby-mpfr with the following command in the system satisfying the above requirements.
$ gem install ruby-mpfi
ruby-mpfi Copyright © 2009 Takayuki YAMAGUCHI
This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
This program 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 Lesser General Public License for more details.
You should have received a copy of the GNU General Public License along with this program. If not, see <www.gnu.org/licenses/>.