nalgebra_glm
pub fn ceil<N: Real, D: Dimension>(x: &TVec<N, D>) -> TVec<N, D> where DefaultAllocator: Alloc<N, D>,
For each matrix or vector component returns a value equal to the nearest integer that is greater than or equal to x.
x
let vec = glm::vec3(-1.5, 0.5, 2.8); assert_eq!(glm::vec3(-1.0, 1.0, 3.0), glm::ceil(&vec));
ceil
floor
fract
round
trunc