test262/test/built-ins/Math/atan2/S15.8.2.5_A22.js

24 lines
701 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 -PI/4
es5id: 15.8.2.5_A22
description: >
Checking if Math.atan2(y,x) is an approximation to -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;
y = -Infinity;
x = +Infinity;
if (!isEqual(Math.atan2(y,x),- (Math.PI)/4))
$ERROR("#1: Math.abs(Math.atan2(" + y + ", " + x + ") + (Math.PI/4)) >= " + prec);