//
//  Matrix+Hadamard.swift
//  SwiftQuantumComputing
//
//  Created by Enrique de la Torre on 26/08/2018.
//  Copyright © 2018 Enrique de la Torre. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

import ComplexModule
import Foundation

// MARK: - Main body

extension Matrix {

    // MARK: - Internal class methods

    static func makeHadamard() -> Matrix {
        return (Complex(1.0 / sqrt(2)) * (try! Matrix([[.one, .one], [.one, Complex(-1.0)]])))
    }
}
