internal::BigInteger Class Reference

Public Types
typedef uint64_t	Type

Public Member Functions
	BigInteger (const BigInteger &rhs)
	BigInteger (uint64_t u)
	BigInteger (const char *decimals, size_t length)
BigInteger &	operator= (const BigInteger &rhs)
BigInteger &	operator= (uint64_t u)
BigInteger &	operator+= (uint64_t u)
BigInteger &	operator*= (uint64_t u)
BigInteger &	operator*= (uint32_t u)
BigInteger &	operator<<= (size_t shift)
bool	operator== (const BigInteger &rhs) const
bool	operator== (const Type rhs) const
BigInteger &	MultiplyPow5 (unsigned exp)
bool	Difference (const BigInteger &rhs, BigInteger *out) const
int	Compare (const BigInteger &rhs) const
size_t	GetCount () const
Type	GetDigit (size_t index) const
bool	IsZero () const

Private Member Functions
void	AppendDecimal64 (const char *begin, const char *end)
void	PushBack (Type digit)

Static Private Member Functions
static uint64_t	ParseUint64 (const char *begin, const char *end)
static uint64_t	MulAdd64 (uint64_t a, uint64_t b, uint64_t k, uint64_t *outHigh)

Private Attributes
Type	digits_ [kCapacity]
size_t	count_

Static Private Attributes
static const size_t	kBitCount = 3328
static const size_t	kCapacity = kBitCount / sizeof(Type)
static const size_t	kTypeBit = sizeof(Type) * 8

Member Typedef Documentation

typedef uint64_t internal::BigInteger::Type

Constructor & Destructor Documentation

internal::BigInteger::BigInteger ( const BigInteger &  rhs )

inline

References count_, and digits_.

internal::BigInteger::BigInteger ( uint64_t  u )

inlineexplicit

References digits_.

internal::BigInteger::BigInteger ( const char *  decimals, size_t  length  )

inline

References AppendDecimal64(), digits_, and RAPIDJSON_ASSERT.

Member Function Documentation

BigInteger& internal::BigInteger::operator= ( const BigInteger &  rhs )

inline

References count_, and digits_.

BigInteger& internal::BigInteger::operator= ( uint64_t  u )

inline

References count_, and digits_.

BigInteger& internal::BigInteger::operator+= ( uint64_t  u )

inline

References count_, digits_, and PushBack().

BigInteger& internal::BigInteger::operator*= ( uint64_t  u )

inline

References count_, digits_, MulAdd64(), and PushBack().

BigInteger& internal::BigInteger::operator*= ( uint32_t  u )

inline

References count_, digits_, and PushBack().

BigInteger& internal::BigInteger::operator<<= ( size_t  shift )

inline

References count_, digits_, IsZero(), kCapacity, kTypeBit, and RAPIDJSON_ASSERT.

bool internal::BigInteger::operator== ( const BigInteger &  rhs ) const

inline

References count_, and digits_.

bool internal::BigInteger::operator== ( const Type  rhs ) const

inline

References count_, and digits_.

BigInteger& internal::BigInteger::MultiplyPow5 ( unsigned  exp )

inline

References RAPIDJSON_UINT64_C2.

Referenced by AppendDecimal64(), and internal::CheckWithinHalfULP().

bool internal::BigInteger::Difference ( const BigInteger &  rhs, BigInteger *  out  ) const

inline

References Compare(), count_, digits_, and RAPIDJSON_ASSERT.

Referenced by internal::CheckWithinHalfULP().

int internal::BigInteger::Compare ( const BigInteger &  rhs ) const

inline

References count_, and digits_.

Referenced by internal::CheckWithinHalfULP(), and Difference().

size_t internal::BigInteger::GetCount ( ) const

inline

References count_.

Type internal::BigInteger::GetDigit ( size_t  index ) const

inline

References count_, digits_, and RAPIDJSON_ASSERT.

bool internal::BigInteger::IsZero ( ) const

inline

References count_, and digits_.

Referenced by AppendDecimal64(), and operator<<=().

void internal::BigInteger::AppendDecimal64 ( const char *  begin, const char *  end  )

inlineprivate

References IsZero(), MultiplyPow5(), and ParseUint64().

Referenced by BigInteger().

void internal::BigInteger::PushBack ( Type  digit )

inlineprivate

References count_, digits_, kCapacity, and RAPIDJSON_ASSERT.

Referenced by operator*=(), and operator+=().

static uint64_t internal::BigInteger::ParseUint64 ( const char *  begin, const char *  end  )

inlinestaticprivate

References RAPIDJSON_ASSERT.

Referenced by AppendDecimal64().

static uint64_t internal::BigInteger::MulAdd64 ( uint64_t  a, uint64_t  b, uint64_t  k, uint64_t *  outHigh  )

inlinestaticprivate

Referenced by operator*=().

Member Data Documentation

const size_t internal::BigInteger::kBitCount = 3328

staticprivate

const size_t internal::BigInteger::kCapacity = kBitCount / sizeof(Type)

staticprivate

Referenced by operator<<=(), and PushBack().

const size_t internal::BigInteger::kTypeBit = sizeof(Type) * 8

staticprivate

Referenced by operator<<=().

Type internal::BigInteger::digits_[kCapacity]

private

Referenced by BigInteger(), Compare(), Difference(), GetDigit(), IsZero(), operator*=(), operator+=(), operator<<=(), operator=(), operator==(), and PushBack().

size_t internal::BigInteger::count_

private

Referenced by BigInteger(), Compare(), Difference(), GetCount(), GetDigit(), IsZero(), operator*=(), operator+=(), operator<<=(), operator=(), operator==(), and PushBack().

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The documentation for this class was generated from the following file:

• biginteger.h