#ifndef __MODULUS_GFPOLY_PDF_H__
#define __MODULUS_GFPOLY_PDF_H__

/*
 * Copyright 2012 ZXing authors
 *
 * 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.
 *
 * 2012-09-17 HFN translation from Java into C++
 */

#include <zxing/common/Counted.h>
#include <zxing/common/Array.h>
#include <zxing/common/DecoderResult.h>
#include <zxing/common/BitMatrix.h>

namespace zxing {
    namespace pdf417 {
        namespace decoder {
            namespace ec {

                class ModulusGF;

                /**
                 * @author Sean Owen
                 * @see com.google.zxing.common.reedsolomon.GenericGFPoly
                 */
                class ModulusPoly : public Counted {

                private:
                    ModulusGF& field_;
                    ArrayRef<int> coefficients_;
                public:
                    ModulusPoly(ModulusGF& field, ArrayRef<int> coefficients);
                    ~ModulusPoly();
                    ArrayRef<int> getCoefficients();
                    int getDegree();
                    bool isZero();
                    int getCoefficient(int degree);
                    int evaluateAt(int a);
                    Ref<ModulusPoly> add(Ref<ModulusPoly> other);
                    Ref<ModulusPoly> subtract(Ref<ModulusPoly> other);
                    Ref<ModulusPoly> multiply(Ref<ModulusPoly> other);
                    Ref<ModulusPoly> negative();
                    Ref<ModulusPoly> multiply(int scalar);
                    Ref<ModulusPoly> multiplyByMonomial(int degree, int coefficient);
                    std::vector<Ref<ModulusPoly> > divide(Ref<ModulusPoly> other);
#if 0
                    public String toString();
#endif
                };

            }
        }
    }
}

#endif /* __MODULUS_GFPOLY_PDF_H__ */