interpolation.hpp

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// Copyright 2024 Sebastian Eibl
// Copyright 2026 Julian Friedrich Hille
//
// 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
//
//     https://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 <limits>
 
#include "data/MultiHistogram.hpp"
#include "util/IsInSymmetricSlab.hpp"
 
namespace mrmd
{
namespace util
{
KOKKOS_INLINE_FUNCTION
real_t lerp(const real_t& left, const real_t& right, const real_t& factor)
{
    return left + (right - left) * factor;
}
 
void updateInterpolate(const data::MultiHistogram& target, const data::MultiHistogram& input);
 
}  // namespace util
}  // namespace mrmd