multi_variate_twice_differentiable_objective_function.h

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/*
 * Copyright 2021 MusicScience37 (Kenta Kabashima)
 *
 * 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.
 */
#pragma once
 
#include "num_collect/base/concepts/real_scalar_dense_matrix.h"
#include "num_collect/base/concepts/real_scalar_dense_vector.h"
#include "num_collect/opt/concepts/twice_differentiable_objective_function.h"
 
namespace num_collect::opt::concepts {
 
template <typename T>
concept multi_variate_twice_differentiable_objective_function =
    twice_differentiable_objective_function<T> &&
    base::concepts::real_scalar_dense_vector<typename T::variable_type> &&
    std::is_same_v<typename T::variable_type::Scalar, typename T::value_type> &&
    base::concepts::real_scalar_dense_matrix<typename T::hessian_type> &&
    std::is_same_v<typename T::hessian_type::Scalar, typename T::value_type>;
 
}  // namespace num_collect::opt::concepts