Hi, how could I set width amount of bits in

Question

Hi, how could I set width amount of bits in

an integer starting from bit lsb going to the left to 1?
For example width = 32 and lsb = 16 should result in 0b0000000000000000111111111111111111111111111111110000000000000000.

0

26.05.2024

4 ответов

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Daniele°

unsigned long wlset(unsigned width, unsigned lsb){ return ((1<<width)-1)<<lsb; }

0

5 месяцев назад

Nils Автор вопроса

Daniele°
unsigned long wlset(unsigned width, unsigned lsb){...

Thank you!

0

5 месяцев назад

Ludovic 'Archivist' Lagouardette

Beware, there may be edge cases at the max value for width, you may want to handle that case specially

0

5 месяцев назад

Thomas · Accepted Answer

Thomas

((2 ^ (width + 1)) - 1) << lsb

0

5 месяцев назад

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