index.h

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#ifndef INDEX_H
#define INDEX_H
 
#include <cstdlib>
#include <cinttypes>
 
namespace vistle {
 
#ifdef VISTLE_INDEX_64BIT
typedef uint64_t Index;
typedef int64_t SIndex;
#else
typedef uint32_t Index;
typedef int32_t SIndex;
#endif
 
const Index InvalidIndex = ~(Index)(0);
 
} // namespace vistle
 
#endif