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1 // Copyright 2017 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 
7 #ifndef CORE_FXCRT_CFX_DECIMAL_H_
8 #define CORE_FXCRT_CFX_DECIMAL_H_
9 
10 #include "core/fxcrt/fx_string.h"
11 
12 class CFX_Decimal {
13  public:
14   CFX_Decimal();
15   explicit CFX_Decimal(uint32_t val);
16   explicit CFX_Decimal(uint64_t val);
17   explicit CFX_Decimal(int32_t val);
18   CFX_Decimal(float val, uint8_t scale);
19   explicit CFX_Decimal(const WideStringView& str);
20 
21   operator WideString() const;
22   operator double() const;
23 
24   CFX_Decimal operator*(const CFX_Decimal& val) const;
25   CFX_Decimal operator/(const CFX_Decimal& val) const;
26 
27   void SetScale(uint8_t newScale);
28   uint8_t GetScale();
29   void SetNegate();
30 
31  private:
32   CFX_Decimal(uint32_t hi, uint32_t mid, uint32_t lo, bool neg, uint8_t scale);
IsNotZero()33   bool IsNotZero() const { return m_uHi || m_uMid || m_uLo; }
34   void Swap(CFX_Decimal& val);
35 
36   uint32_t m_uHi;
37   uint32_t m_uLo;
38   uint32_t m_uMid;
39   uint32_t m_uFlags;
40 };
41 
42 #endif  // CORE_FXCRT_CFX_DECIMAL_H_
43