src/applications/fact/chart/PhabricatorSinChartFunction.php

   1 <?php
   2
   3 final class PhabricatorSinChartFunction
   4   extends PhabricatorPureChartFunction {
   5
   6   const FUNCTIONKEY = 'sin';
   7
   8   protected function newArguments() {
   9     return array();
  10   }
  11
  12   public function evaluateFunction(array $xv) {
  13     $yv = array();
  14
  15     foreach ($xv as $x) {
  16       $yv[] = sin(deg2rad($x));
  17     }
  18
  19     return $yv;
  20   }
  21
  22 }