3.7 KiB
3.7 KiB
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bitwise.uclear() function | `bitwise.uclear()` performs the bitwise operation `a AND NOT b`, with unsigned integers. |
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bitwise.uclear()
performs the bitwise operation a AND NOT b
, with unsigned integers.
Function type signature
(a: uint, b: uint) => uint
{{% caption %}}For more information, see Function type signatures.{{% /caption %}}
Parameters
a
({{< req >}}) Left hand operand.
b
({{< req >}}) Bits to clear.
Examples
Perform a bitwise AND NOT operation
import "bitwise"
bitwise.uclear(a: uint(v: 1234), b: uint(v: 4567))// Returns 1024 (uint)
Perform a bitwise AND NOT operation on a stream of tables
import "bitwise"
import "sampledata"
sampledata.uint()
|> map(fn: (r) => ({r with _value: bitwise.uclear(a: r._value, b: uint(v: 3))}))
{{< expand-wrapper >}} {{% expand "View example input and output" %}}
Input data
_time | _value | *tag |
---|---|---|
2021-01-01T00:00:00Z | 18446744073709551614 | t1 |
2021-01-01T00:00:10Z | 10 | t1 |
2021-01-01T00:00:20Z | 7 | t1 |
2021-01-01T00:00:30Z | 17 | t1 |
2021-01-01T00:00:40Z | 15 | t1 |
2021-01-01T00:00:50Z | 4 | t1 |
_time | _value | *tag |
---|---|---|
2021-01-01T00:00:00Z | 19 | t2 |
2021-01-01T00:00:10Z | 4 | t2 |
2021-01-01T00:00:20Z | 18446744073709551613 | t2 |
2021-01-01T00:00:30Z | 19 | t2 |
2021-01-01T00:00:40Z | 13 | t2 |
2021-01-01T00:00:50Z | 1 | t2 |
Output data
_time | _value | *tag |
---|---|---|
2021-01-01T00:00:00Z | 18446744073709551612 | t1 |
2021-01-01T00:00:10Z | 8 | t1 |
2021-01-01T00:00:20Z | 4 | t1 |
2021-01-01T00:00:30Z | 16 | t1 |
2021-01-01T00:00:40Z | 12 | t1 |
2021-01-01T00:00:50Z | 4 | t1 |
_time | _value | *tag |
---|---|---|
2021-01-01T00:00:00Z | 16 | t2 |
2021-01-01T00:00:10Z | 4 | t2 |
2021-01-01T00:00:20Z | 18446744073709551612 | t2 |
2021-01-01T00:00:30Z | 16 | t2 |
2021-01-01T00:00:40Z | 12 | t2 |
2021-01-01T00:00:50Z | 0 | t2 |
{{% /expand %}} {{< /expand-wrapper >}}