Function glm::builtin::findLSB

pub fn findLSB<B: BaseInt, I: GenIType, T: IntIntRel<B, I>>(value: T) -> I

Returns the bit number of the least significant bit set to 1 in the binary representation of value.

If value is zero, -1 will be returned.

Example

use glm::{ findLSB, ivec2, uvec2 };

assert_eq!(findLSB(0u32), -1);
let v = uvec2(0b0101000, 0x80000000);
assert_eq!(findLSB(v), ivec2(3, 31));