text: // Copyright (c) 2011-2017 The Cryptonote developers
  // Copyright (c) 2014-2017 XDN developers
  // Copyright (c) 2016-2017 BXC developers
  // Copyright (c) 2017 Royalties developers
  // Distributed under the MIT/X11 software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #pragma once
  
  #include <stddef.h>
  
  #include <CryptoTypes.h>
  #include "generic-ops.h"
  
  namespace Crypto {
  
    extern "C" {
  #include "hash-ops.h"
    }
  
    /*
      Cryptonight hash functions
    */
  
    inline void cn_fast_hash(const void *data, size_t length, Hash &hash) {
      cn_fast_hash(data, length, reinterpret_cast<char *>(&hash));
    }
  
    inline Hash cn_fast_hash(const void *data, size_t length) {
      Hash h;
      cn_fast_hash(data, length, reinterpret_cast<char *>(&h));
      return h;
    }
  
    class cn_context {
    public:
  
      cn_context();
      ~cn_context();
  
  #if !defined(_MSC_VER) || _MSC_VER >= 1800
      cn_context(const cn_context &) = delete;
      void operator=(const cn_context &) = delete;
  #endif
  
    private:
      void *data;
      friend inline void cn_slow_hash(cn_context &, const void *, size_t, Hash &);
    };
  
    inline void cn_slow_hash(cn_context &context, const void *data, size_t length, Hash &hash) {
      (*cn_slow_hash_f)(context.data, data, length, reinterpret_cast<void *>(&hash));
    }
  
    inline void tree_hash(const Hash *hashes, size_t count, Hash &root_hash) {
      tree_hash(reinterpret_cast<const char (*)[HASH_SIZE]>(hashes), count, reinterpret_cast<char *>(&root_hash));
    }
  
    inline void tree_branch(const Hash *hashes, size_t count, Hash *branch) {
      tree_branch(reinterpret_cast<const char (*)[HASH_SIZE]>(hashes), count, reinterpret_cast<char (*)[HASH_SIZE]>(branch));
    }
  
    inline void tree_hash_from_branch(const Hash *branch, size_t depth, const Hash &leaf, const void *path, Hash &root_hash) {
      tree_hash_from_branch(reinterpret_cast<const char (*)[HASH_SIZE]>(branch), depth, reinterpret_cast<const char *>(&leaf), path, reinterpret_cast<char *>(&root_hash));
    }
  
  }
  
  CRYPTO_MAKE_HASHABLE(Hash)
  