peroxide 0.41.2

Rust comprehensive scientific computation library contains linear algebra, numerical analysis, statistics and machine learning tools with familiar syntax
Documentation 
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/// Functional Programming tools for Vector
pub trait FPVector {
    type Scalar;

    fn fmap<F>(&self, f: F) -> Self
    where
        F: Fn(Self::Scalar) -> Self::Scalar;
    fn reduce<F, T>(&self, init: T, f: F) -> Self::Scalar
    where
        F: Fn(Self::Scalar, Self::Scalar) -> Self::Scalar,
        T: Into<Self::Scalar> + Copy;
    fn zip_with<F>(&self, f: F, other: &Self) -> Self
    where
        F: Fn(Self::Scalar, Self::Scalar) -> Self::Scalar;
    fn filter<F>(&self, f: F) -> Self
    where
        F: Fn(Self::Scalar) -> bool;
    fn take(&self, n: usize) -> Self;
    fn skip(&self, n: usize) -> Self;
    fn sum(&self) -> Self::Scalar;
    fn prod(&self) -> Self::Scalar;
}

/// Functional Programming for Matrix and ComplexMatrix
pub trait FPMatrix {
    type Scalar;

    fn take_row(&self, n: usize) -> Self;
    fn take_col(&self, n: usize) -> Self;
    fn skip_row(&self, n: usize) -> Self;
    fn skip_col(&self, n: usize) -> Self;
    fn fmap<F>(&self, f: F) -> Self
    where
        F: Fn(Self::Scalar) -> Self::Scalar;
    fn col_map<F>(&self, f: F) -> Self
    where
        F: Fn(Vec<Self::Scalar>) -> Vec<Self::Scalar>;
    fn row_map<F>(&self, f: F) -> Self
    where
        F: Fn(Vec<Self::Scalar>) -> Vec<Self::Scalar>;
    fn col_mut_map<F>(&mut self, f: F)
    where
        F: Fn(Vec<Self::Scalar>) -> Vec<Self::Scalar>;
    fn row_mut_map<F>(&mut self, f: F)
    where
        F: Fn(Vec<Self::Scalar>) -> Vec<Self::Scalar>;
    fn reduce<F, T>(&self, init: T, f: F) -> Self::Scalar
    where
        F: Fn(Self::Scalar, Self::Scalar) -> Self::Scalar,
        T: Into<Self::Scalar>;
    fn zip_with<F>(&self, f: F, other: &Self) -> Self
    where
        F: Fn(Self::Scalar, Self::Scalar) -> Self::Scalar;
    fn col_reduce<F>(&self, f: F) -> Vec<Self::Scalar>
    where
        F: Fn(Vec<Self::Scalar>) -> Self::Scalar;
    fn row_reduce<F>(&self, f: F) -> Vec<Self::Scalar>
    where
        F: Fn(Vec<Self::Scalar>) -> Self::Scalar;
}

/// Functional Programming tools for Vector in Parallel (Uses Rayon crate)
#[cfg(feature = "parallel")]
pub trait ParallelFPVector {
    type Scalar;

    fn par_fmap<F>(&self, f: F) -> Self
    where
        F: Fn(Self::Scalar) -> Self::Scalar + Send + Sync;
    fn par_reduce<F, T>(&self, init: T, f: F) -> Self::Scalar
    where
        F: Fn(Self::Scalar, Self::Scalar) -> Self::Scalar + Send + Sync,
        T: Into<Self::Scalar> + Send + Sync + Copy;
    fn par_zip_with<F>(&self, f: F, other: &Self) -> Self
    where
        F: Fn(Self::Scalar, Self::Scalar) -> Self::Scalar + Send + Sync;
    fn par_filter<F>(&self, f: F) -> Self
    where
        F: Fn(Self::Scalar) -> bool + Send + Sync;
}

/// Functional Programming for Matrix in Parallel (Uses Rayon crate)
#[cfg(feature = "parallel")]
pub trait ParallelFPMatrix {
    type Scalar;

    fn par_fmap<F>(&self, f: F) -> Self
    where
        F: Fn(Self::Scalar) -> Self::Scalar + Send + Sync;
    fn par_reduce<F, T>(&self, init: T, f: F) -> Self::Scalar
    where
        F: Fn(Self::Scalar, Self::Scalar) -> Self::Scalar + Send + Sync,
        T: Into<Self::Scalar> + Copy + Clone + Send + Sync;
    fn par_zip_with<F>(&self, f: F, other: &Self) -> Self
    where
        F: Fn(Self::Scalar, Self::Scalar) -> Self::Scalar + Send + Sync;
    fn par_col_reduce<F>(&self, f: F) -> Vec<Self::Scalar>
    where
        F: Fn(Vec<Self::Scalar>) -> Self::Scalar + Send + Sync;
    fn par_row_reduce<F>(&self, f: F) -> Vec<Self::Scalar>
    where
        F: Fn(Vec<Self::Scalar>) -> Self::Scalar + Send + Sync;
}