test262/test/suite/ch15/15.8/15.8.2/15.8.2.5/S15.8.2.5_A10.js

21 lines
644 B
JavaScript

// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* If y is -0 and x is -0, Math.atan2(y,x) is an implementation-dependent approximation to -PI
*
* @path 15_Native/15.8_The_Math_Object/15.8.2_Function_Properties_of_the_Math_Object/15.8.2.5_atan2/S15.8.2.5_A10.js
* @description Checking if Math.atan2(-0,-0) is an approximation to -PI
*/
$INCLUDE("math_precision.js");
$INCLUDE("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)");