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File:  [ELWIX - Embedded LightWeight unIX -] / embedaddon / php / ext / standard / tests / math / allowed_rounding_error.inc
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Tue Feb 21 23:48:04 2012 UTC (12 years, 5 months ago) by misho
Branches: php, MAIN
CVS tags: v5_4_3elwix, v5_4_29p0, v5_4_29, v5_4_20p0, v5_4_20, v5_4_17p0, v5_4_17, v5_3_10, HEAD
php

<?php
function allowed_rounding_error ($number, $expected) {

	//different machines  may give slightly different floating point numbers
	//This assumes that the results will be the same to + or - 1.0E-10.

	$small_number = 1.0e-10;
	$min = $expected - $small_number;
	$max = $expected + $small_number;

	if ($number < $max  && $number > $min ) {
		return true;
	}
	else {
		return false;
	}
}
?>
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