Plugins/sorting/scientific.js

/**
 * This plug-in will treat numbers which are in scientific notation (for
 * example `1E-10`, `1.2E6` etc) and sort them numerically.
 *
 *  @name Scientific notation sorting
 *  @summary Sort data which is written in exponential notation.
 *  @author [Nick Schurch](http://datatables.net/forums/profile/21757/nickschurch)
 *
 *  @example
 *    $('#example').dataTable( {
 *       columnDefs: [
 *         { type: 'scientific', targets: 0 }
 *       ]
 *    } );
 */

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"scientific-pre": function ( a ) {
		return parseFloat(a);
	},

	"scientific-asc": function ( a, b ) {
		return ((a < b) ? -1 : ((a > b) ? 1 : 0));
	},

	"scientific-desc": function ( a, b ) {
		return ((a < b) ? 1 : ((a > b) ? -1 : 0));
	}
} );