[−][src]Function safe_arch::bit_lowest_set_value_u32
#[must_use]pub fn bit_lowest_set_value_u32(a: u32) -> u32
This is supported with target feature
bmi1
only.Gets the value of the lowest set bit in a u32
.
If the input is 0 you get 0 back.
- Formula:
(!a) & a
assert_eq!(bit_lowest_set_value_u32(0b0), 0); assert_eq!(bit_lowest_set_value_u32(0b1), 1); assert_eq!(bit_lowest_set_value_u32(0b10), 2); assert_eq!(bit_lowest_set_value_u32(0b100), 4); assert_eq!(bit_lowest_set_value_u32(0b111100), 4);