test262/test/built-ins/Math/atan2/S15.8.2.5_A21.js

24 lines
716 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 equal to +Infinity and x is equal to -Infinity, Math.atan2(y,x)
is an implementation-dependent approximation to +3*PI/4
es5id: 15.8.2.5_A21
description: >
Checking if Math.atan2(y,x) is an approximation to +3*PI/4, where
y is equal to +Infinity and x is equal to -Infinity
includes:
- math_precision.js
- math_isequal.js
---*/
// CHECK#1
//prec = 0.00000000000001;
var y = +Infinity;
var x = -Infinity;
if (!isEqual(Math.atan2(y,x), (3*Math.PI)/4))
$ERROR("#1: Math.abs(Math.atan2(" + y + ", " + x + ") - (3*Math.PI/4)) >= " + prec);