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// -*- c -*-
//
// %CopyrightBegin%
//
// Copyright Ericsson AB 2020. All Rights Reserved.
//
// 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
//
// http://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.
//
// %CopyrightEnd%
//
pred.is_offset(X, Y, Offset) {
return X.type == Y.type && X.val + Offset == Y.val;
}
pred.succ(X, Y) {
return X.type == Y.type && X.val + 1 == Y.val;
}
pred.succ3(X, Y) {
return X.type == Y.type && X.val + 3 == Y.val;
}
pred.succ4(X, Y) {
return X.type == Y.type && X.val + 4 == Y.val;
}
// Test whether the following two moves are independent:
//
// move Src1 Dst1
// move Src2 Dst2
//
pred.independent_moves(Src1, Dst1, Src2, Dst2) {
return (Src1.type != Dst2.type || Src1.val != Dst2.val) &&
(Src2.type != Dst1.type || Src2.val != Dst1.val) &&
(Dst1.type != Dst2.type ||Dst1.val != Dst2.val);
}
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