@extra-bit/merge NPM | npm.io

2.0.1 • Published 4 years ago

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Weekly downloads

211

License

MIT

Repository

Last release

4 years ago

Merges bits as per mask. :package: :smiley_cat: :running: :vhs: :moon: :scroll: :newspaper: :blue_book:

Similar: merge, interleave.
This is part of package extra-bit.

bit.merge(x, y, m);
// x: first int32
// y: second int32
// m: bit mask (0 ⇒ from x)

const bit = require("extra-bit");

bit.merge(0x12, 0x24, 0x0F);
// 20 (0x14)

bit.merge(0x1234, 0xABCD, 0x0F0F);
// 6973 (0x1B3D)

bit.merge(0xAAAA, 0xBBBB, 0x3333);
// 48059 (0xBBBB)

References

XOR method: Bit Twiddling Hacks

extra bit merge

@infinitebrahmanuniverse/nolb-_extra-b @zalastax/nolb-_extra-b

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