test262/test/built-ins/Math/atan/S15.8.2.4_A5.js

22 lines
534 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 x is -Infinity, Math.atan(x) is an implementation-dependent
approximation to -PI/2
es5id: 15.8.2.4_A5
description: Checking if Math.atan(-Infinity) is an approximation to -PI/2
includes:
- math_precision.js
- math_isequal.js
---*/
// CHECK#1
var x = -Infinity;
if (!isEqual(Math.atan(x), -Math.PI/2))
{
$ERROR("#1: '!isEqual(Math.atan(-Infinity), -Math.PI/2)'");
}