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//
//
// Copyright (C) 2020 Schrödinger, LLC
//
// @@ All Rights Reserved @@
// This file is part of the RDKit.
// The contents are covered by the terms of the BSD license
// which is included in the file license.txt, found at the root
// of the RDKit source tree.
//
#include "Rule3.h"
namespace RDKit {
namespace CIPLabeler {
namespace {
int ord(Descriptor lab) {
switch (lab) {
case Descriptor::E:
return 1;
case Descriptor::Z:
return 2;
default:
return 0;
}
}
} // namespace
Rule3::Rule3() = default;
int Rule3::compare(const Edge *a, const Edge *b) const {
return three_way_comparison(ord(a->getEnd()->getAux()),
ord(b->getEnd()->getAux()));
}
} // namespace CIPLabeler
} // namespace RDKit
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