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); 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
