Source file src/github.com/cespare/xxhash/rotate.go

Documentation: github.com/cespare/xxhash

     1  // +build !go1.9
     2  
     3  package xxhash
     4  
     5  // TODO(caleb): After Go 1.10 comes out, remove this fallback code.
     6  
     7  func rol1(x uint64) uint64  { return (x << 1) | (x >> (64 - 1)) }
     8  func rol7(x uint64) uint64  { return (x << 7) | (x >> (64 - 7)) }
     9  func rol11(x uint64) uint64 { return (x << 11) | (x >> (64 - 11)) }
    10  func rol12(x uint64) uint64 { return (x << 12) | (x >> (64 - 12)) }
    11  func rol18(x uint64) uint64 { return (x << 18) | (x >> (64 - 18)) }
    12  func rol23(x uint64) uint64 { return (x << 23) | (x >> (64 - 23)) }
    13  func rol27(x uint64) uint64 { return (x << 27) | (x >> (64 - 27)) }
    14  func rol31(x uint64) uint64 { return (x << 31) | (x >> (64 - 31)) }
    15  

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