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Diffstat (limited to 'xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h')
| -rw-r--r-- | xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h b/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h new file mode 100644 index 0000000000..16a1f9066e --- /dev/null +++ b/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h @@ -0,0 +1,43 @@ +// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_ +#define XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_ + +#include "core/include/fxcrt/fx_basic.h" + +class CBC_ReedSolomonGF256; + +class CBC_ReedSolomonGF256Poly { + public: + CBC_ReedSolomonGF256Poly(CBC_ReedSolomonGF256* field, int32_t coefficients); + CBC_ReedSolomonGF256Poly(); + virtual ~CBC_ReedSolomonGF256Poly(); + int32_t GetCoefficients(int32_t degree); + CFX_Int32Array* GetCoefficients(); + int32_t GetDegree(); + FX_BOOL IsZero(); + int32_t EvaluateAt(int32_t a); + CBC_ReedSolomonGF256Poly* AddOrSubtract(CBC_ReedSolomonGF256Poly* other, + int32_t& e); + CBC_ReedSolomonGF256Poly* Multiply(CBC_ReedSolomonGF256Poly* other, + int32_t& e); + CBC_ReedSolomonGF256Poly* Multiply(int32_t scalar, int32_t& e); + CBC_ReedSolomonGF256Poly* MultiplyByMonomial(int32_t degree, + int32_t coefficient, + int32_t& e); + CFX_PtrArray* Divide(CBC_ReedSolomonGF256Poly* other, int32_t& e); + CBC_ReedSolomonGF256Poly* Clone(int32_t& e); + virtual void Init(CBC_ReedSolomonGF256* field, + CFX_Int32Array* coefficients, + int32_t& e); + + private: + CBC_ReedSolomonGF256* m_field; + CFX_Int32Array m_coefficients; +}; + +#endif // XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_ |