michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: 
michael@0: /**
michael@0:    File Name:          15.8.2.7.js
michael@0:    ECMA Section:       15.8.2.7 cos( x )
michael@0:    Description:        return an approximation to the cosine of the
michael@0:    argument.  argument is expressed in radians
michael@0:    Author:             christine@netscape.com
michael@0:    Date:               7 july 1997
michael@0: 
michael@0: */
michael@0: 
michael@0: var SECTION = "15.8.2.7";
michael@0: var VERSION = "ECMA_1";
michael@0: startTest();
michael@0: var TITLE   = "Math.cos(x)";
michael@0: 
michael@0: writeHeaderToLog( SECTION + " "+ TITLE);
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos.length",
michael@0: 	      1,
michael@0: 	      Math.cos.length );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos()",
michael@0: 	      Number.NaN,
michael@0: 	      Math.cos() );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(void 0)",
michael@0: 	      Number.NaN,
michael@0: 	      Math.cos(void 0) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(false)",
michael@0: 	      1,
michael@0: 	      Math.cos(false) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(null)",
michael@0: 	      1,
michael@0: 	      Math.cos(null) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos('0')",
michael@0: 	      1,
michael@0: 	      Math.cos('0') );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos('Infinity')",
michael@0: 	      Number.NaN,
michael@0: 	      Math.cos("Infinity") );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos('3.14159265359')",
michael@0: 	      -1,
michael@0: 	      Math.cos('3.14159265359') );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(NaN)",
michael@0: 	      Number.NaN,
michael@0: 	      Math.cos(Number.NaN)        );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(0)",
michael@0: 	      1,
michael@0: 	      Math.cos(0)                 );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(-0)",
michael@0: 	      1,
michael@0: 	      Math.cos(-0)                );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(Infinity)",
michael@0: 	      Number.NaN,
michael@0: 	      Math.cos(Number.POSITIVE_INFINITY) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(-Infinity)",
michael@0: 	      Number.NaN,
michael@0: 	      Math.cos(Number.NEGATIVE_INFINITY) );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(0.7853981633974)",
michael@0: 	      0.7071067811865,
michael@0: 	      Math.cos(0.7853981633974)   );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(1.570796326795)",
michael@0: 	      0,
michael@0: 	      Math.cos(1.570796326795)    );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(2.356194490192)",
michael@0: 	      -0.7071067811865,
michael@0: 	      Math.cos(2.356194490192)    );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(3.14159265359)",
michael@0: 	      -1,
michael@0: 	      Math.cos(3.14159265359)     );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(3.926990816987)",
michael@0: 	      -0.7071067811865,
michael@0: 	      Math.cos(3.926990816987)    );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(4.712388980385)",
michael@0: 	      0,
michael@0: 	      Math.cos(4.712388980385)    );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(5.497787143782)",
michael@0: 	      0.7071067811865,
michael@0: 	      Math.cos(5.497787143782)    );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(Math.PI*2)",
michael@0: 	      1,
michael@0: 	      Math.cos(Math.PI*2)         );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(Math.PI/4)",
michael@0: 	      Math.SQRT2/2,
michael@0: 	      Math.cos(Math.PI/4)         );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(Math.PI/2)",
michael@0: 	      0,
michael@0: 	      Math.cos(Math.PI/2)         );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(3*Math.PI/4)",
michael@0: 	      -Math.SQRT2/2,
michael@0: 	      Math.cos(3*Math.PI/4)       );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(Math.PI)",
michael@0: 	      -1,
michael@0: 	      Math.cos(Math.PI)           );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(5*Math.PI/4)",
michael@0: 	      -Math.SQRT2/2,
michael@0: 	      Math.cos(5*Math.PI/4)       );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(3*Math.PI/2)",
michael@0: 	      0,
michael@0: 	      Math.cos(3*Math.PI/2)       );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(7*Math.PI/4)",
michael@0: 	      Math.SQRT2/2,
michael@0: 	      Math.cos(7*Math.PI/4)       );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(Math.PI*2)",
michael@0: 	      1,
michael@0: 	      Math.cos(2*Math.PI)         );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(-0.7853981633974)",
michael@0: 	      0.7071067811865,
michael@0: 	      Math.cos(-0.7853981633974)  );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(-1.570796326795)",
michael@0: 	      0,
michael@0: 	      Math.cos(-1.570796326795)   );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(-2.3561944901920)",
michael@0: 	      -.7071067811865,
michael@0: 	      Math.cos(2.3561944901920)   );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(-3.14159265359)",
michael@0: 	      -1,
michael@0: 	      Math.cos(3.14159265359)     );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(-3.926990816987)",
michael@0: 	      -0.7071067811865,
michael@0: 	      Math.cos(3.926990816987)    );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(-4.712388980385)",
michael@0: 	      0,
michael@0: 	      Math.cos(4.712388980385)    );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(-5.497787143782)",
michael@0: 	      0.7071067811865,
michael@0: 	      Math.cos(5.497787143782)    );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(-6.28318530718)",
michael@0: 	      1,
michael@0: 	      Math.cos(6.28318530718)     );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(-Math.PI/4)",
michael@0: 	      Math.SQRT2/2,
michael@0: 	      Math.cos(-Math.PI/4)        );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(-Math.PI/2)",
michael@0: 	      0,
michael@0: 	      Math.cos(-Math.PI/2)        );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(-3*Math.PI/4)",
michael@0: 	      -Math.SQRT2/2,
michael@0: 	      Math.cos(-3*Math.PI/4)      );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(-Math.PI)",
michael@0: 	      -1,
michael@0: 	      Math.cos(-Math.PI)          );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(-5*Math.PI/4)",
michael@0: 	      -Math.SQRT2/2,
michael@0: 	      Math.cos(-5*Math.PI/4)      );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(-3*Math.PI/2)",
michael@0: 	      0,
michael@0: 	      Math.cos(-3*Math.PI/2)      );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(-7*Math.PI/4)",
michael@0: 	      Math.SQRT2/2,
michael@0: 	      Math.cos(-7*Math.PI/4)      );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Math.cos(-Math.PI*2)",
michael@0: 	      1,
michael@0: 	      Math.cos(-Math.PI*2)        );
michael@0: 
michael@0: test();