#[cfg(feature = "f32")]
pub type Flt = f32;
#[cfg(feature = "f32")]
pub const pi: Flt = std::f32::consts::PI;
#[cfg(feature = "f64")]
pub type Flt = f64;
#[cfg(feature = "f64")]
pub const pi: Flt = std::f64::consts::PI;
use num::complex::*;
pub type Cflt = Complex<Flt>;
use ndarray::{Array1, Array2};
pub type Vd = Vec<Flt>;
pub type Vc = Vec<Cflt>;
pub type Dmat = Array2<Flt>;
pub type Cmat = Array2<Cflt>;