1--TEST-- 2Test return type and value for expected input atan() 3--INI-- 4precision = 14 5--FILE-- 6<?php 7/* 8 * proto float atan(float number) 9 * Function is implemented in ext/standard/math.c 10*/ 11 12$file_path = dirname(__FILE__); 13require($file_path."/allowed_rounding_error.inc"); 14 15echo "atan 1.7320508075689 = "; 16$atan1 = 360 * atan(1.7320508075689) / (2.0 * M_PI); 17var_dump($atan1); 18if (allowed_rounding_error($atan1 ,60 )) { 19 echo "Pass\n"; 20} 21else { 22 echo "Fail\n"; 23} 24 25echo "atan 0.57735026918963 = "; 26$atan2 = 360 * atan(0.57735026918963) / (2.0 * M_PI); 27var_dump($atan2); 28if (allowed_rounding_error($atan2 ,30 )) { 29 echo "Pass\n"; 30} 31else { 32 echo "Fail\n"; 33} 34 35?> 36--EXPECTF-- 37atan 1.7320508075689 = float(%f) 38Pass 39atan 0.57735026918963 = float(%f) 40Pass 41