num::operators::callable_op

Defined in header <operator/callable.hpp>

template <class F>
struct callable_op final;

Adapt any callable void(const vec&, vec&) to the operator protocol.

Members

member	description
using domain_type = vec<real>
using codomain_type = vec<real>
callable_op(F f, idx rows, idx cols)	Adapt a callable to a rectangular operator with explicit dimensions.
callable_op(F f, idx n)	Adapt a callable to a square n-by-n operator.
void apply(const vec<real> &x, vec<real> &y) const	Evaluate y=A*x, resizing y to the declared row count when needed.
idx rows() const noexcept
idx cols() const noexcept