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39 gTestfile = '15.8.2.2.js';
42 File Name: 15.8.2.2.js
43 ECMA Section: 15.8.2.2 acos( x )
44 Description: return an approximation to the arc cosine of the
45 argument. the result is expressed in radians and
46 range is from +0 to +PI. special cases:
47 - if x is NaN, return NaN
48 - if x > 1, the result is NaN
49 - if x < -1, the result is NaN
50 - if x == 1, the result is +0
51 Author: christine@netscape.com
54 var SECTION = "15.8.2.2";
55 var VERSION = "ECMA_1";
57 var TITLE = "Math.acos()";
59 writeHeaderToLog( SECTION + " "+ TITLE);
61 new TestCase( SECTION,
66 new TestCase( SECTION,
71 new TestCase( SECTION,
76 new TestCase( SECTION,
81 new TestCase( SECTION,
84 Math.acos(Number.NaN) );
86 new TestCase( SECTION,
87 "Math.acos(a string)",
89 Math.acos("a string") );
91 new TestCase( SECTION,
96 new TestCase( SECTION,
101 new TestCase( SECTION,
106 new TestCase( SECTION,
107 "Math.acos(1.00000001)",
109 Math.acos(1.00000001) );
111 new TestCase( SECTION,
112 "Math.acos(11.00000001)",
114 Math.acos(-1.00000001) );
116 new TestCase( SECTION,
121 new TestCase( SECTION,
126 new TestCase( SECTION,
131 new TestCase( SECTION,
136 new TestCase( SECTION,
137 "Math.acos(Math.SQRT1_2)",
139 Math.acos(Math.SQRT1_2));
141 new TestCase( SECTION,
142 "Math.acos(-Math.SQRT1_2)",
144 Math.acos(-Math.SQRT1_2));
146 new TestCase( SECTION,
147 "Math.acos(0.9999619230642)",
149 Math.acos(0.9999619230642));