// 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.
    }
}