Struct ExprNeg 

pub struct ExprNeg<E>
where
    E: Expr,
{ /* private fields */ }

A lazy negation expression.

Implementations

impl<E> ExprNeg<ExprNeg<E>>

where E: Expr,

pub fn simplify(self) -> E

Eliminates double negation.

Trait Implementations

impl<E> Expr for ExprNeg<E>

where E: Expr,

type Elem = <E as Expr>::Elem

The element type of the expression.

fn nrows(&self) -> usize

Returns the number of rows in the result.

fn ncols(&self) -> usize

Returns the number of columns in the result.

fn eval(&self) -> Mat<<ExprNeg<E> as Expr>::Elem>

Evaluates the expression and returns the result as an owned matrix.

fn eval_into(&self, target: &mut Mat<<ExprNeg<E> as Expr>::Elem>)

Evaluates the expression into an existing matrix.

fn shape(&self) -> (usize, usize)

Returns the shape as (nrows, ncols).

fn t(self) -> ExprTranspose<Self>

Wraps this expression in a transpose expression.

fn scale(self, alpha: Self::Elem) -> ExprScale<Self>

Scales this expression by a scalar.

fn add<E>(self, other: E) -> ExprAdd<Self, E>

where E: Expr<Elem = Self::Elem>,

Adds another expression to this one.

fn sub<E>(self, other: E) -> ExprSub<Self, E>

where E: Expr<Elem = Self::Elem>,

Subtracts another expression from this one.

fn neg(self) -> ExprNeg<Self>

Negates this expression.

fn matmul<E>(self, other: E) -> ExprMul<Self, E>

where E: Expr<Elem = Self::Elem>,

Matrix multiplies this expression with another.