| USE OPENACC | |
| IF (ACC_GET_NUM_DEVICES (ACC_DEVICE_HOST) .NE. 1) STOP 1 | |
| CALL ACC_SET_DEVICE_TYPE (ACC_DEVICE_HOST) | |
| IF (ACC_GET_DEVICE_TYPE () .NE. ACC_DEVICE_HOST) STOP 2 | |
| CALL ACC_SET_DEVICE_NUM (0, ACC_DEVICE_HOST) | |
| IF (ACC_GET_DEVICE_NUM (ACC_DEVICE_HOST) .NE. 0) STOP 3 | |
| CALL ACC_SHUTDOWN (ACC_DEVICE_HOST) | |
| CALL ACC_INIT (ACC_DEVICE_HOST) | |
| CALL ACC_SHUTDOWN (ACC_DEVICE_HOST) | |
| END |