// Copyright 2009 the Sputnik authors.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
info: >
    If y is -0 and x is -0, Math.atan2(y,x) is an implementation-dependent
    approximation to -PI
es5id: 15.8.2.5_A10
description: Checking if Math.atan2(-0,-0) is an approximation to -PI
includes:
    - math_precision.js
    - math_isequal.js
---*/

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