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// Tags: JDK1.0
/* Copyright (C) 1999 Cygnus Solutions
This file is part of Mauve.
Mauve is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
Mauve is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Mauve; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
package gnu.testlet.java.lang.Math;
import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;
public class cos implements Testlet
{
public void test (TestHarness harness)
{
harness.check (new Double (Math.cos (0)).toString (), "1.0");
harness.check (new Double (Math.cos (Math.PI)).toString (), "-1.0");
harness.check (Math.abs (Math.cos (Math.PI/2))
<= 1.1102230246251565E-16);
// It's unreasonable to expect the result of this to be eactly
// zero, but 2^-53, the value of the constant used here, is 1ulp
// in the range of cos.
}
}
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