little parameter changes while testing performance

ipin/StepLoggerWrapperAndroid.h

@@ -50,7 +50,9 @@ private:
 
 #ifdef ANDROID
 		//Log::add("SLWA", "calling android with lon/lat/floor");
-        int res = QAndroidJniObject::callStaticMethod<int>("indoor/java/StepLoggerClient", "log", "(DDD)I", x, y, std::round(z));
+
+        double rounded_z = std::round(z);
+        int res = QAndroidJniObject::callStaticMethod<int>("indoor/java/StepLoggerClient", "log", "(DDD)I", x, y, rounded_z);
 		//if (res != 1337) {throw Exception("invalid return code while sending the current position to StepLogger.\nService Down?");}
 #endif