1 files changed, 40 insertions, 0 deletions
diff --git a/ext/standard/tests/math/atan_basic.phpt b/ext/standard/tests/math/atan_basic.phpt
new file mode 100644
index 0000000..f4a2bed
--- /dev/null
+++ b/ext/standard/tests/math/atan_basic.phpt
@@ -0,0 +1,40 @@
+--TEST--
+Test return type and value for expected input atan()
+--INI--
+precision = 14
+--FILE--
+<?php
+/* 
+ * proto float atan(float number)
+ * Function is implemented in ext/standard/math.c
+*/ 
+
+$file_path = dirname(__FILE__);
+require($file_path."/allowed_rounding_error.inc");
+
+echo "atan 1.7320508075689 = ";
+$atan1 = 360 * atan(1.7320508075689) / (2.0 * M_PI);
+var_dump($atan1);
+if (allowed_rounding_error($atan1 ,60 )) {
+	echo "Pass\n";
+}
+else {
+	echo "Fail\n";
+}
+
+echo "atan 0.57735026918963 = ";
+$atan2 = 360 * atan(0.57735026918963) / (2.0 * M_PI);
+var_dump($atan2);
+if (allowed_rounding_error($atan2 ,30 )) {
+	echo "Pass\n";
+}
+else {
+	echo "Fail\n";
+}
+
+?>
+--EXPECTF--
+atan 1.7320508075689 = float(%f)
+Pass
+atan 0.57735026918963 = float(%f)
+Pass