--TEST-- Test return type and value for expected input cos() --INI-- precision = 14 --FILE-- <?php /* * proto float cos(float number) * Function is implemented in ext/standard/math.c */ $file_path = dirname(__FILE__); require($file_path."/allowed_rounding_error.inc"); // Use known values to test $sixty = M_PI / 3.0; $thirty = M_PI / 6.0; $ninety = M_PI /2.0; $oneeighty = M_PI; $twoseventy = M_PI * 1.5; $threesixty = M_PI * 2.0; echo "cos 30 = "; var_dump(cos($thirty)); if (allowed_rounding_error(cos($thirty),0.86602540378444)) { echo "Pass\n"; } else { echo "Fail\n"; } echo "cos 60 = "; var_dump(cos($sixty)); if (allowed_rounding_error(cos($sixty),0.5)) { echo "Pass\n"; } else { echo "Fail\n"; } echo "cos 90 = "; var_dump(cos($ninety)); if (allowed_rounding_error(cos($ninety),0.0)) { echo "Pass\n"; } else { echo "Fail\n"; } echo "cos 180 = "; var_dump(cos($oneeighty)); if (allowed_rounding_error(cos($oneeighty),-1.0)) { echo "Pass\n"; } else { echo "Fail\n"; } echo "cos 270 = "; var_dump(cos($twoseventy)); if (allowed_rounding_error(cos($twoseventy),0.0)) { echo "Pass\n"; } else { echo "Fail\n"; } echo "cos 360 = "; var_dump(cos($threesixty)); if (allowed_rounding_error(cos($threesixty),1.0)) { echo "Pass\n"; } else { echo "Fail\n"; } ?> --EXPECTF-- cos 30 = float(%f) Pass cos 60 = float(%f) Pass cos 90 = float(%f) Pass cos 180 = float(%f) Pass cos 270 = float(%f) Pass cos 360 = float(%f) Pass