20 #include "ns3/core-config.h" 22 #if !defined(INT64X64_128_H) && defined (INT64X64_USE_128) && !defined(PYTHON_SCAN) 23 #define INT64X64_128_H 28 #if defined(HAVE___UINT128_T) && !defined(HAVE_UINT128_T) 50 static const uint64_t
HP_MASK_LO = 0xffffffffffffffffULL;
66 #define HP_MAX_64 (std::pow (2.0L, 64)) 101 const bool negative = value < 0;
102 const long double v = negative ? -value : value;
105 long double flo = std::modf (v, &fhi);
114 const long double round = 0.5;
117 const uint64_t lo = flo;
173 explicit inline int64x64_t (
const int64_t hi,
const uint64_t lo)
205 const bool negative =
_v < 0;
207 const long double fhi = value >> 64;
209 long double retval = fhi;
211 retval = negative ? -retval : retval;
350 return lhs.
_v == rhs.
_v;
358 return lhs.
_v < rhs.
_v;
366 return lhs.
_v > rhs.
_v;
int64x64_t & operator+=(int64x64_t &lhs, const int64x64_t &rhs)
Compound addition operator.
int64x64_t operator+(const int64x64_t &lhs)
Unary plus operator.
int64x64_t(const long int v)
int64x64_t(const int128_t v)
Construct from an integral type.
int64x64_t(const long double value)
High precision numerical type, implementing Q64.64 fixed precision.
int64x64_t & operator*=(int64x64_t &lhs, const int64x64_t &rhs)
Compound multiplication operator.
static int64x64_t Invert(const uint64_t v)
Compute the inverse of an integer value.
int64x64_t operator-(const int64x64_t &lhs)
Unary negation operator (change sign operator).
static uint128_t Udiv(const uint128_t a, const uint128_t b)
Unsigned division of Q64.64 values.
impl_type
Type tag for the underlying implementation.
void MulByInvert(const int64x64_t &o)
Multiply this value by a Q0.128 value, presumably representing an inverse, completing a division oper...
friend int64x64_t operator!(const int64x64_t &lhs)
Logical not operator.
friend int64x64_t & operator*=(int64x64_t &lhs, const int64x64_t &rhs)
Compound multiplication operator.
friend bool operator==(const int64x64_t &lhs, const int64x64_t &rhs)
Equality operator.
bool operator<(const EventId &a, const EventId &b)
friend int64x64_t & operator/=(int64x64_t &lhs, const int64x64_t &rhs)
Compound division operator.
int64x64_t(const unsigned long int v)
static const uint64_t HP_MASK_LO
Mask for fraction part.
int128_t _v
The Q64.64 value.
int64x64_t(const int64_t hi, const uint64_t lo)
Construct from explicit high and low values.
friend int64x64_t & operator-=(int64x64_t &lhs, const int64x64_t &rhs)
Compound subtraction operator.
int64x64_t(const long long int v)
void Mul(const int64x64_t &o)
Implement *=.
int64x64_t()
Default constructor.
static uint128_t UmulByInvert(const uint128_t a, const uint128_t b)
Unsigned multiplication of Q64.64 and Q0.128 values.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
int64x64_t(const unsigned long long int v)
static const uint128_t HP128_MASK_HI_BIT
uint128_t high bit (sign bit).
int64x64_t & operator=(const int64x64_t &o)
Assignment.
#define HP_MAX_64
Floating point value of HP_MASK_LO + 1.
static uint128_t Umul(const uint128_t a, const uint128_t b)
Unsigned multiplication of Q64.64 values.
void Div(const int64x64_t &o)
Implement /=.
Native int128_t implementation.
int64x64_t(const unsigned int v)
friend bool operator<(const int64x64_t &lhs, const int64x64_t &rhs)
Less than operator.
uint64_t GetLow(void) const
Get the fractional portion of this value, unscaled.
bool operator>(const int64x64_t &lhs, const int64x64_t &rhs)
Greater operator.
bool operator==(const EventId &a, const EventId &b)
Cairo wideint implementation.
double GetDouble(void) const
Get this value as a double.
int64x64_t & operator-=(int64x64_t &lhs, const int64x64_t &rhs)
Compound subtraction operator.
friend int64x64_t & operator+=(int64x64_t &lhs, const int64x64_t &rhs)
Compound addition operator.
friend int64x64_t operator-(const int64x64_t &lhs)
Unary negation operator (change sign operator).
int64x64_t & operator/=(int64x64_t &lhs, const int64x64_t &rhs)
Compound division operator.
friend bool operator>(const int64x64_t &lhs, const int64x64_t &rhs)
Greater operator.
static const uint64_t HP_MASK_HI
Mask for sign + integer part.
int64x64_t(const int64x64_t &o)
Copy constructor.
long double implementation.
int64x64_t operator!(const int64x64_t &lhs)
Logical not operator.
int64x64_t(const double value)
int64_t GetHigh(void) const
Get the integer portion.
static enum impl_type implementation
Type tag for this implementation.