formatted and moved to int

src/controller.c

 #include "controller.h"
 
-double controller(double w, double y,double maxControl){
-    return 0;
-}
-
-
-
+int controller(int w, int y, int maxControl) { return 0; }

src/controller.h

 #ifndef controller_H
 #define controller_H
-double controller(double w, double y,double maxControl);
+int controller(int w, int y, int maxControl);
 #endif  // controller_H

src/controller.test.cpp

@@ -4,8 +4,8 @@ extern "C" {
 }
 
 TEST_CASE("PI_Regler") {
-    REQUIRE(controller(8,0,500) == 16.0);
-    REQUIRE(controller(-2,0,500) == -4.0);
+    REQUIRE(controller(8, 0, 500) == 16);
+    REQUIRE(controller(-2, 0, 500) == -4);
 }
 
 TEST_CASE("limits") {

src/main.c

 #include <stdio.h>
+
 #include "controller.h"
 
-int main() {
-    return 0;
-}
+int main() { return 0; }