/*
 * Copyright 2020 The SkyWater PDK Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * SPDX-License-Identifier: Apache-2.0
*/

specify
if ((!B&CIN)) (A +=> COUT) = (0:0:0,0:0:0);
if ((B&!CIN)) (A +=> COUT) = (0:0:0,0:0:0);
if ((!A&CIN)) (B +=> COUT) = (0:0:0,0:0:0);
if ((A&!CIN)) (B +=> COUT) = (0:0:0,0:0:0);
if ((!A&B)) (CIN +=> COUT) = (0:0:0,0:0:0);
if ((A&!B)) (CIN +=> COUT) = (0:0:0,0:0:0);
if ((!B&!CIN)) (A +=> SUM) = (0:0:0,0:0:0);
if ((!B&CIN)) (A -=> SUM) = (0:0:0,0:0:0);
if ((B&!CIN)) (A -=> SUM) = (0:0:0,0:0:0);
if ((B&CIN)) (A +=> SUM) = (0:0:0,0:0:0);
if ((!A&!CIN)) (B +=> SUM) = (0:0:0,0:0:0);
if ((!A&CIN)) (B -=> SUM) = (0:0:0,0:0:0);
if ((A&!CIN)) (B -=> SUM) = (0:0:0,0:0:0);
if ((A&CIN)) (B +=> SUM) = (0:0:0,0:0:0);
if ((!A&!B)) (CIN +=> SUM) = (0:0:0,0:0:0);
if ((!A&B)) (CIN -=> SUM) = (0:0:0,0:0:0);
if ((A&!B)) (CIN -=> SUM) = (0:0:0,0:0:0);
if ((A&B)) (CIN +=> SUM) = (0:0:0,0:0:0);
endspecify