http://snippets.dzone.com/posts Thu, 24 Jul 2008 04:29:48 GMT DZone Snippets: numbers code http://snippets.dzone.com/posts/show/2323 Uses HTML entities to display pretty fractional values for applicable floating point numbers. <br /> <br /><code> <br />class Float <br /> def html_fraction <br /> self.to_s. <br /> sub(/(.+)\.0$/, '\1' ). # Zero decimal <br /> sub(/(-?\d+)\.25$/, '\1&frac14;'). # One quarter <br /> sub(/(-?\d+)\.5$/, '\1&frac12;'). # One half <br /> sub(/(-?\d+)\.75$/, '\1&frac34;'). # Three quarters <br /> sub(/^(-?)0(&.+)/, '\1\2' ) # Strip leading zeroes <br /> end <br />end <br /></code> <br /> <br />And it works something like this: <br /> <br /><code> <br />>> (0.1).html_fraction <br />=> 0.1 <br />>> (0.25).html_fraction <br />=> &frac14; <br />>> (0.50).html_fraction <br />=> &frac12; <br />>> (0.75).html_fraction <br />=> &frac34; <br />>> (1.0).html_fraction <br />=> 1.0 <br />>> (2.25).html_fraction <br />=> 2&frac14; <br />>> (3.5).html_fraction <br />=> 3&frac12; <br />>> (4.75).html_fraction <br />=> 4&frac34; <br />>> (5.85).html_fraction <br />=> 5.85 <br />>> (-1.5).html_fraction <br />=> -1&frac12; <br />>> (-1.6).html_fraction <br />=> -1.6; <br />>> (-0.25).html_fraction <br />=> -&frac14; <br /></code> Mon, 24 Jul 2006 21:14:06 GMT http://snippets.dzone.com/posts/show/2323 sporkyy (Todd Sayre)