docs-v2/content/flux/v0/stdlib/math/float64bits.md

title	description	menu	weight
math.float64bits() function	`math.float64bits()` returns the IEEE 754 binary representation of `f`, with the sign bit of `f` and the result in the same bit position.	flux_v0_ref name parent identifier math.float64bits math math/float64bits	101

math.float64bits() returns the IEEE 754 binary representation of f, with the sign bit of f and the result in the same bit position.

Function type signature

(f: float) => uint

{{% caption %}} For more information, see Function type signatures. {{% /caption %}}

Parameters

f

({{< req >}}) Value to operate on.

Examples

• Return the binary expression of a value
• Use math.float64bits in map

Return the binary expression of a value

import "math"

math.float64bits(f: 1234.56)// 4653144467747100426

Use math.float64bits in map

import "sampledata"
import "math"

sampledata.float()
    |> map(fn: (r) => ({r with _value: math.float64bits(f: r._value)}))

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Input data

_time	*tag	_value
2021-01-01T00:00:00Z	t1	-2.18
2021-01-01T00:00:10Z	t1	10.92
2021-01-01T00:00:20Z	t1	7.35
2021-01-01T00:00:30Z	t1	17.53
2021-01-01T00:00:40Z	t1	15.23
2021-01-01T00:00:50Z	t1	4.43

_time	*tag	_value
2021-01-01T00:00:00Z	t2	19.85
2021-01-01T00:00:10Z	t2	4.97
2021-01-01T00:00:20Z	t2	-3.75
2021-01-01T00:00:30Z	t2	19.77
2021-01-01T00:00:40Z	t2	13.86
2021-01-01T00:00:50Z	t2	1.86

Output data

_time	_value	*tag
2021-01-01T00:00:00Z	13835463379248627057	t1
2021-01-01T00:00:10Z	4622337031546119127	t1
2021-01-01T00:00:20Z	4619961382742681190	t1
2021-01-01T00:00:30Z	4625627474023866696	t1
2021-01-01T00:00:40Z	4624763345845364982	t1
2021-01-01T00:00:50Z	4616673755014700728	t1

_time	_value	*tag
2021-01-01T00:00:00Z	4626280495969835418	t2
2021-01-01T00:00:10Z	4617281740964395745	t2
2021-01-01T00:00:20Z	13838998704956112896	t2
2021-01-01T00:00:30Z	4626257977971698565	t2
2021-01-01T00:00:40Z	4623992104409177784	t2
2021-01-01T00:00:50Z	4611055514479556035	t2

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