Created
May 19, 2020 12:22
Bitwise math helper
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%dw 2.0 | |
import dw::core::Numbers | |
import dw::core::Strings | |
fun AND(lo: Number, ro: Number) = do { | |
var binary = getBinary(lo, ro) | |
--- | |
Numbers::fromBinary(binary.left map ($ as Number * binary.right[$$] as Number) reduce ($$++$)) | |
} | |
fun OR(lo: Number, ro: Number) = do { | |
var binary = getBinary(lo, ro) | |
--- | |
Numbers::fromBinary(binary.left map (if ($ == "1" or binary.right[$$] == "1") "1" else "0") reduce ($$++$)) | |
} | |
fun XOR(lo: Number, ro: Number) = do { | |
var binary = getBinary(lo, ro) | |
--- | |
Numbers::fromBinary(binary.left map (if ($ == binary.right[$$]) "0" else "1") reduce ($$++$)) | |
} | |
fun getBinary(lo: Number, ro: Number) = do { | |
var loB = Numbers::toBinary(lo) | |
var roB = Numbers::toBinary(ro) | |
var size = max([sizeOf(loB), sizeOf(roB)]) default 0 | |
--- | |
{ | |
left: Strings::leftPad(loB, size, '0') splitBy '', | |
right: Strings::leftPad(roB, size, '0') splitBy '' | |
} | |
} |
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