hex.shr_hex (arity 3)

dst[:n] >>= 4*times
@Assumes: times <= n

@Assumes: times <= n

Signature

def shr_hex n, times, dst @ end { ... }

Defined in hex/shifts.fj — lines 53–58 (view on GitHub).

Complexity

• Time: n(@+4)

• Space: n(@+28)

See the complexity glossary for what @, w, dw, dbit, n mean.

Source

Click to view the macro body

def shr_hex n, times, dst @ end {
    stl.comp_if0 times, end
    .zero times, dst
    rep(n-times, i) .xor_zero dst+i*dw, dst+(i+times)*dw
  end:
}

Depends on

• hex.zero/2

• stl.comp_if0

Used by

• hex.shr_hex/2

Example uses

• hex.shr_hex in hex/shifts.fj

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