PhabricatorCosChartFunction.php
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PhabricatorCosChartFunction.php
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	<?php

	final class PhabricatorCosChartFunction
	extends PhabricatorPureChartFunction {

	const FUNCTIONKEY = 'cos';

	protected function newArguments() {
	return array();
	}

	public function evaluateFunction(array $xv) {
	$yv = array();

	foreach ($xv as $x) {
	$yv[] = cos(deg2rad($x));
	}

	return $yv;
	}

	}