source/bitwisecast.h

// Copyright (c) 2015 The Khronos Group Inc.
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#ifndef _LIBSPIRV_UTIL_BITWISECAST_H_
#define _LIBSPIRV_UTIL_BITWISECAST_H_

#include <cstring>

namespace spvutils {

// Performs a bitwise copy of source to the destination type Dest.
template <typename Dest, typename Src>
Dest BitwiseCast(Src source) {
  Dest dest;
  static_assert(sizeof(source) == sizeof(dest),
                "BitwiseCast: Source and destination must have the same size");
  std::memcpy(&dest, &source, sizeof(dest));
  return dest;
}

}  // namespace spvutils

#endif