mirror of https://github.com/tc39/test262.git
30 lines
828 B
JavaScript
30 lines
828 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<0 and y is finite and x is equal to -Infinity, Math.atan2(y,x) is an
|
|
implementation-dependent approximation to -PI
|
|
es5id: 15.8.2.5_A17
|
|
description: >
|
|
Checking if Math.atan2(y,x) is an approximation to -PI, where y<0
|
|
and y is finite and x is equal to -Infinity
|
|
includes:
|
|
- math_precision.js
|
|
- math_isequal.js
|
|
---*/
|
|
|
|
// CHECK#1
|
|
var x = -Infinity;
|
|
var y = new Array();
|
|
y[0] = -0.000000000000001;
|
|
y[1] = -1;
|
|
y[2] = -1.7976931348623157E308; //largest (by module) finite number
|
|
var ynum = 3;
|
|
|
|
for (var i = 0; i < ynum; i++)
|
|
{
|
|
if (!isEqual(Math.atan2(y[i],x), -Math.PI))
|
|
$ERROR("#1: Math.abs(Math.atan2(" + y[i] + ", " + x + ") + Math.PI) >= " + prec);
|
|
}
|