Rule4a.h

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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.
//
#pragma once
 
#include "SequenceRule.h"
 
namespace RDKit {
namespace CIPLabeler {
 
/**
 * <b>Sequence Rule 4a</b>
 * <i>Chiral stereogenic units precede pseudoasymmetric stereogenic
 *    units and these precede nonstereogenic units.</i>
 *
 */
class Rule4a : public SequenceRule {
 public:
  Rule4a();
 
  int compare(const Edge *a, const Edge *b) const override;
};
 
}  // namespace CIPLabeler
}  // namespace RDKit