arcTangent Funktion test

src/test/test_funktionen.c

@@ -167,4 +167,9 @@ void test_arcCosine(void) {
     // Add more test cases for different inputs and expected outputs
 }
 
+void test_arcTangent(void) {
+    float result = arcTangent(1.0);
+    TEST_ASSERT_EQUAL_FLOAT(0.785398, result);
+    // Add more test cases for different inputs and expected outputs
+}
 #endif