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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Twos-complement/Nim/twos-complement.nim Normal file
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import std/[strformat, strutils]
func twosComplement[T: SomeSignedInt](n: T): T =
## Compute the two's complement of "n".
not n + 1
echo &"""{"n":^15}{"2's complement":^15}{"-n":^15}"""
for n in [0i32, 1i32, -1i32]:
echo &"{n.toHex:^15}{twosComplement(n).toHex:^15}{(-n).toHex:^15}"
for n in [-50i8, 50i8]:
echo &"{n.toHex:^15}{twosComplement(n).toHex:^15}{(-n).toHex:^15}"