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//! Matrix laboratory.

#[cfg(feature = "complex")]
extern crate complex;

use std::convert::Into;

use format::Conventional;

/// A matrix.
pub trait Matrix: Into<Conventional<<Self as Matrix>::Element>> + Size {
    /// The element type.
    type Element: Element;

    /// Count the number of nonzero elements.
    fn nonzeros(&self) -> usize;

    /// Compute the matrix transpose.
    fn transpose(&self) -> Self;

    /// Create a zero matrix.
    fn zero<S: Size>(S) -> Self;
}

mod element;
mod number;
mod position;
mod size;

pub use element::Element;
pub use number::Number;
pub use position::Position;
pub use size::Size;

pub mod algebra;
pub mod format;
pub mod prelude;