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