test262/test/built-ins/Math/atan2/S15.8.2.5_A10.js

21 lines
549 B
JavaScript

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