Don't always just assume GPU|ACCEL

parallel_worlds_2/src/DeviceInterface.hpp

@@ -82,7 +82,7 @@ private:
 	}
 
 	void init(cl_device_type requestedDevice=CL_DEVICE_TYPE_GPU | CL_DEVICE_TYPE_ACCELERATOR) {
-		devices = findDevices(CL_DEVICE_TYPE_GPU | CL_DEVICE_TYPE_ACCELERATOR);
+		devices = findDevices(requestedDevice);
 		// In order to execute a kernel (OpenCL program), it is necessary to first define
 		// some hardware presentations:
 		// 1. a context that defines the devices (and thus the usable binary code)