1 files changed, 47 insertions, 0 deletions
diff --git a/chromium/third_party/pdfium/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h b/chromium/third_party/pdfium/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h
new file mode 100644
index 00000000000..ce8a5727048
--- /dev/null
+++ b/chromium/third_party/pdfium/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h
@@ -0,0 +1,47 @@
+// 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 FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_
+#define FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_
+
+#include <memory>
+#include <vector>
+
+#include "core/fxcrt/fx_basic.h"
+
+class CBC_ReedSolomonGF256;
+
+class CBC_ReedSolomonGF256Poly final {
+ public:
+  CBC_ReedSolomonGF256Poly(CBC_ReedSolomonGF256* field, int32_t coefficients);
+  CBC_ReedSolomonGF256Poly();
+  ~CBC_ReedSolomonGF256Poly();
+  bool Init(CBC_ReedSolomonGF256* field,
+            const std::vector<int32_t>* coefficients);
+
+  int32_t GetCoefficients(int32_t degree) const;
+  const std::vector<int32_t>& GetCoefficients() const;
+  int32_t GetDegree() const;
+  bool IsZero() const;
+  int32_t EvaluateAt(int32_t a);
+  std::unique_ptr<CBC_ReedSolomonGF256Poly> AddOrSubtract(
+      const CBC_ReedSolomonGF256Poly* other);
+  std::unique_ptr<CBC_ReedSolomonGF256Poly> Multiply(
+      const CBC_ReedSolomonGF256Poly* other);
+  std::unique_ptr<CBC_ReedSolomonGF256Poly> Multiply(int32_t scalar);
+  std::unique_ptr<CBC_ReedSolomonGF256Poly> MultiplyByMonomial(
+      int32_t degree,
+      int32_t coefficient) const;
+  std::unique_ptr<CBC_ReedSolomonGF256Poly> Divide(
+      const CBC_ReedSolomonGF256Poly* other);
+  std::unique_ptr<CBC_ReedSolomonGF256Poly> Clone() const;
+
+ private:
+  CBC_ReedSolomonGF256* m_field;
+  std::vector<int32_t> m_coefficients;
+};
+
+#endif  // FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_