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<? function decimal_to_fraction ($number) { list ($whole, $numerator) = explode ('.', $number); $denominator = 1 . str_repeat (0, strlen ($numerator)); $GCD = GCD ($numerator, $denominator); $numerator /= $GCD; $denominator /= $GCD; return sprintf ('%d <sup>%d</sup>/<sub>%d</sub>', $whole, $numerator, $denominator); } function GCD ($a, $b) { while ( $b != 0) { $remainder = $a % $b; $a = $b; $b = $remainder; } return abs ($a); } /* DESCRIPTION ============================================================ Decimal_to_Fraction: A simple function that converts numbers with decimal remainders to numbers with fractional remainders. Includes a function to find the greatest common denominator. ============================================================ CREDITS ============================================================ Author: J. A. Greant ( zak@nucleus.com ) Version 1: June 9, 2000 ============================================================ NOTICES ============================================================ If you: Modify this code and want to share your changes :) Find a bug Have other questions or comments Please write: Zak Greant (zak@nucleus.com) ============================================================ USAGE EXAMPLES ============================================================ print Decimal_to_Fraction (1.2); // Should output 1 1/5 ============================================================ COPYRIGHT ============================================================ Copyright (c) 2000 J. A. Greant ( zak@nucleus.com ) All rights reserved. This function 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 2.1 of the License, or (at your option) any later version. This function 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 Lesser General Public License along with this function; if not, write to the: Free Software Foundation, Inc. 59 Temple Place, Suite 330 Boston, MA 02111-1307 USA http://www.gnu.org/ ============================================================ */ ?> | ||||||||||
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