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// 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 NaN, Math.acos(x) is NaN
es5id: 15.8.2.2_A1
description: Checking if Math.acos(NaN) is NaN
---*/
assert.sameValue(Math.acos(NaN), NaN);
reportCompare(0, 0);