[−][src]Function pbrt::core::interpolation::fourier
pub fn fourier(a: &Vec<Float>, si: usize, m: i32, cos_phi: f64) -> Float
Evaluates the weighted sum of cosines.
pub fn fourier(a: &Vec<Float>, si: usize, m: i32, cos_phi: f64) -> Float
Evaluates the weighted sum of cosines.