관리-도구

편집 파일: stats_dens_laplace.phpt

--TEST-- stats_dens_laplace() --FILE-- <?php // check for each x foreach (range(-2, 2, 0.5) as $x) { var_dump(round(stats_dens_laplace($x, 1, 2), 6)); } // check for each ave foreach (range(-2, 2, 0.5) as $ave) { var_dump(round(stats_dens_laplace(0, $ave, 2), 6)); } // check for each stdev foreach (range(0.5, 2, 0.5) as $stdev) { var_dump(round(stats_dens_laplace(0, 1, $stdev), 6)); } // error cases var_dump(stats_dens_laplace(0, 1, 0)); // stdev == 0 ?> --EXPECTF-- float(0.055783) float(0.071626) float(0.09197) float(0.118092) float(0.151633) float(0.1947) float(0.25) float(0.1947) float(0.151633) float(0.09197) float(0.118092) float(0.151633) float(0.1947) float(0.25) float(0.1947) float(0.151633) float(0.118092) float(0.09197) float(0.135335) float(0.18394) float(0.171139) float(0.151633) Warning: stats_dens_laplace(): stdev is 0.0 in %s on line %d bool(false)