#ifndef MSP_CORE_HASH_H_
#define MSP_CORE_HASH_H_
+#include <cstdint>
#include <string>
-#include "inttypes.h"
namespace Msp {
limited to less than 32, in which case XOR-folding is used to reduce the hash
size.
*/
-UInt32 hash32(const void *, unsigned, unsigned = 32);
+std::uint32_t hash32(const void *, unsigned, unsigned = 32);
/**
Convenience function to compute a 32-bit hash of a string.
Computes a 64-bit Fowler-Noll-Vo (FNV-1a) hash. Note that even if bits is
limited to 32 or less, this does not produce the same result as hash32.
*/
-UInt64 hash64(const void *, unsigned, unsigned = 64);
+std::uint64_t hash64(const void *, unsigned, unsigned = 64);
/**
Convenience function to compute a 64-bit hash of a string.
*/
-inline UInt64 hash64(const std::string &s, unsigned b = 64)
+inline std::uint64_t hash64(const std::string &s, unsigned b = 64)
{ return hash64(s.data(), s.size(), b); }
-inline UInt32 fold32(UInt64 hash)
+inline std::uint32_t fold32(std::uint64_t hash)
{ return hash^(hash>>32); }
-inline UInt16 fold16(UInt64 hash)
+inline std::uint16_t fold16(std::uint64_t hash)
{ return hash^(hash>>16)^(hash>>32)^(hash>>48); }
} // namespace Msp