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// Test Math.sin and Math.cos.

var input_sin = [0, Math.PI / 2];
var input_cos = [0, Math.PI];

var output_sin = input_sin.map(Math.sin);
var output_cos = input_cos.map(Math.cos);

var expected_sin = [0, 1];
var expected_cos = [1, -1];

assertArrayEquals(expected_sin, output_sin, "sine");
assertArrayEquals(expected_cos, output_cos, "cosine");

// By accident, the slow case for sine and cosine were both sine at
// some point.  This is a regression test for that issue.
var x = Math.pow(2, 70);
assertTrue(Math.sin(x) != Math.cos(x));