coset.hpp

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//---------------------------------------------------------------------------//
// Copyright (c) 2020-2021 Mikhail Komarov <nemo@nil.foundation>
//
// MIT License
//
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// of this software and associated documentation files (the "Software"), to deal
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//---------------------------------------------------------------------------//
 
#ifndef CRYPTO3_MATH_COSET_HPP
#define CRYPTO3_MATH_COSET_HPP
 
#include <vector>
 
namespace nil {
    namespace crypto3 {
        namespace math {
            template<typename Range, typename FieldValueType>
            void multiply_by_coset(Range &a, const FieldValueType &g) {
                FieldValueType u = g;
                for (std::size_t i = 1; i < a.size(); ++i) {
                    a[i] *= u;
                    u *= g;
                }
            }
        }    // namespace fft
    }        // namespace crypto3
}    // namespace nil
 
#endif    // CRYPTO3_COSET_HPP