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// -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
/*
* GenericGFPoly.h
* zxing
*
* Created by Lukas Stabe on 13/02/2012.
* Copyright 2012 ZXing authors 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.
*/
#ifndef GENERICGFPOLY_H
#define GENERICGFPOLY_H
#include <vector>
#include <zxing/common/Array.h>
#include <zxing/common/Counted.h>
namespace zxing {
class GenericGF;
class GenericGFPoly : public Counted {
private:
GenericGF &field_;
ArrayRef<int> coefficients_;
public:
GenericGFPoly(GenericGF &field, ArrayRef<int> coefficients);
ArrayRef<int> getCoefficients();
int getDegree();
bool isZero();
int getCoefficient(int degree);
int evaluateAt(int a);
Ref<GenericGFPoly> addOrSubtract(Ref<GenericGFPoly> other);
Ref<GenericGFPoly> multiply(Ref<GenericGFPoly> other);
Ref<GenericGFPoly> multiply(int scalar);
Ref<GenericGFPoly> multiplyByMonomial(int degree, int coefficient);
std::vector<Ref<GenericGFPoly> > divide(Ref<GenericGFPoly> other);
};
}
#endif //GENERICGFPOLY_H
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