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diff --git a/core/fxcrt/cfx_decimal.h b/core/fxcrt/cfx_decimal.h
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+// Copyright 2017 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 CORE_FXCRT_CFX_DECIMAL_H_
+#define CORE_FXCRT_CFX_DECIMAL_H_
+
+#include "core/fxcrt/fx_string.h"
+
+class CFX_Decimal {
+ public:
+ CFX_Decimal();
+ explicit CFX_Decimal(uint32_t val);
+ explicit CFX_Decimal(uint64_t val);
+ explicit CFX_Decimal(int32_t val);
+ CFX_Decimal(float val, uint8_t scale);
+ explicit CFX_Decimal(const CFX_WideStringC& str);
+
+ operator CFX_WideString() const;
+ operator double() const;
+
+ CFX_Decimal operator*(const CFX_Decimal& val) const;
+ CFX_Decimal operator/(const CFX_Decimal& val) const;
+
+ void SetScale(uint8_t newScale);
+ uint8_t GetScale();
+ void SetNegate();
+
+ private:
+ CFX_Decimal(uint32_t hi, uint32_t mid, uint32_t lo, bool neg, uint8_t scale);
+ bool IsNotZero() const { return m_uHi || m_uMid || m_uLo; }
+ void Swap(CFX_Decimal& val);
+
+ uint32_t m_uHi;
+ uint32_t m_uLo;
+ uint32_t m_uMid;
+ uint32_t m_uFlags;
+};
+
+#endif // CORE_FXCRT_CFX_DECIMAL_H_