// Copyright 2009 the Sputnik authors.  All rights reserved.
/**
 * If y is +0 and x is -0, Math.atan2(y,x) is an implementation-dependent approximation to +PI
 *
 * @path ch15/15.8/15.8.2/15.8.2.5/S15.8.2.5_A6.js
 * @description Checking if Math.atan2(y,x) is an approximation to +PI, where y is +0 and x is -0
 */

$INCLUDE("math_precision.js");
$INCLUDE("math_isequal.js"); 

// CHECK#1
//prec = 0.00000000000001;
y = +0;
x = -0;
if (!isEqual(Math.atan2(y,x), Math.PI))
	$ERROR("#1: Math.abs(Math.atan2(" + y + ", -0) - Math.PI) >= " + prec);

