AI-generated Key Takeaways
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The function calculates the number of one-bits in the 64-bit two's complement binary representation of a number.
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The function is used as
Number.bitCount(). -
It accepts a single number input and returns a number.
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Examples demonstrate its use with positive, negative, and hexadecimal values in JavaScript and Python.
| Usage | Returns |
|---|---|
Number.bitCount() | Number |
| Argument | Type | Details |
|---|---|---|
this: input | Number | The input value. |
Examples
Code Editor (JavaScript)
print(ee.Number(0).bitCount()); // [0] print(ee.Number(1).bitCount()); // [1] print(ee.Number(2).bitCount()); // [1] print(ee.Number(3).bitCount()); // [2] print(ee.Number(0xFFFF).bitCount()); // [16] // https://en.wikipedia.org/wiki/Two's_complement signed values. print(ee.Number(-1).bitCount()); // [64] print(ee.Number(-1, ee.PixelType.int8()).bitCount()); // [64] print(ee.Number(-2).bitCount()); // [63]
import ee import geemap.core as geemap
Colab (Python)
print(ee.Number(0).bitCount().getInfo()) # [0] print(ee.Number(1).bitCount().getInfo()) # [1] print(ee.Number(2).bitCount().getInfo()) # [1] print(ee.Number(3).bitCount().getInfo()) # [2] print(ee.Number(0xFFFF).bitCount().getInfo()) # [16] # https://en.wikipedia.org/wiki/Two's_complement signed values. print(ee.Number(-1).bitCount().getInfo()) # [64] print(ee.Number(-1).toInt8().bitCount().getInfo()) # [64] print(ee.Number(-2).bitCount().getInfo()) # [63]