NAME Float::Util - Utilities related to floating point numbers VERSION This document describes version 0.002 of Float::Util (from Perl distribution Float-Util), released on 2018-03-09. SYNOPSIS use Float::Util qw(is_exact); is_exact("1.5"); # => true is_exact("0.1"); # => false DESCRIPTION FUNCTIONS None exported by default, but they are exportable. is_exact Usage: is_exact($strdec) => bool Test that a decimal number (a string) can be represented exactly as a floating point number. HOMEPAGE Please visit the project's homepage at <https://metacpan.org/release/Float-Util>. SOURCE Source repository is at <https://github.com/perlancar/perl-Float-Util>. BUGS Please report any bugs or feature requests on the bugtracker website <https://rt.cpan.org/Public/Dist/Display.html?Name=Float-Util> When submitting a bug or request, please include a test-file or a patch to an existing test-file that illustrates the bug or desired feature. SEE ALSO <https://en.wikipedia.org/wiki/Double-precision_floating-point_format> <https://en.wikipedia.org/wiki/Quadruple-precision_floating-point_format > <https://stackoverflow.com/questions/21146203/checking-if-floating-point -number-is-completely-convertibal-to-binary> AUTHOR perlancar <perlancar@cpan.org> COPYRIGHT AND LICENSE This software is copyright (c) 2018 by perlancar@cpan.org. This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.