--TEST-- Test return type and value for expected input tan() --INI-- precision = 14 --FILE-- <?php /* * proto float tan(float number) * Function is implemented in ext/standard/math.c */ $file_path = dirname(__FILE__); require($file_path."/allowed_rounding_error.inc"); $sixty = M_PI / 3.0; $thirty = M_PI / 6.0; echo "tan 60 = "; var_dump(tan($sixty)); if (allowed_rounding_error(tan($sixty),1.7320508075689)) { echo "Pass\n"; } else { echo "Fail\n"; } echo "tan 30 = "; var_dump(tan($thirty)); if (allowed_rounding_error(tan($thirty),0.57735026918963)) { echo "Pass\n"; } else { echo "Fail\n"; } ?> --EXPECTF-- tan 60 = float(%f) Pass tan 30 = float(%f) Pass