Python floating point number. More...

#include "PyRep.h"

Inheritance diagram for PyFloat:

Collaboration diagram for PyFloat:

Public Member Functions
	PyFloat (const double &i)

	PyFloat (const PyFloat &oth)

	PyFloat (PyFloat &&oth)=delete

PyFloat &	operator= (const PyFloat &oth)=delete

PyFloat &	operator= (PyFloat &&oth)=delete

PyRep *	Clone () const
	Clones object. More...

bool	visit (PyVisitor &v) const
	Visits object. More...

double	value () const

int32	hash () const
	virtual function to generate a hash value of a object. More...

Public Member Functions inherited from PyRep
PyType	GetType () const

bool	IsInt () const

bool	IsLong () const

bool	IsFloat () const

bool	IsBool () const

bool	IsBuffer () const

bool	IsString () const

bool	IsWString () const

bool	IsToken () const

bool	IsTuple () const

bool	IsList () const

bool	IsDict () const

bool	IsNone () const

bool	IsSubStruct () const

bool	IsSubStream () const

bool	IsChecksumedStream () const

bool	IsObject () const

bool	IsObjectEx () const

bool	IsPackedRow () const

const char *	TypeString () const

PyInt *	AsInt ()

const PyInt *	AsInt () const

PyLong *	AsLong ()

const PyLong *	AsLong () const

PyFloat *	AsFloat ()

const PyFloat *	AsFloat () const

PyBool *	AsBool ()

const PyBool *	AsBool () const

PyBuffer *	AsBuffer ()

const PyBuffer *	AsBuffer () const

PyString *	AsString ()

const PyString *	AsString () const

PyWString *	AsWString ()

const PyWString *	AsWString () const

PyToken *	AsToken ()

const PyToken *	AsToken () const

PyTuple *	AsTuple ()

const PyTuple *	AsTuple () const

PyList *	AsList ()

const PyList *	AsList () const

PyDict *	AsDict ()

const PyDict *	AsDict () const

PyNone *	AsNone ()

const PyNone *	AsNone () const

PySubStruct *	AsSubStruct ()

const PySubStruct *	AsSubStruct () const

PySubStream *	AsSubStream ()

const PySubStream *	AsSubStream () const

PyChecksumedStream *	AsChecksumedStream ()

const PyChecksumedStream *	AsChecksumedStream () const

PyObject *	AsObject ()

const PyObject *	AsObject () const

PyObjectEx *	AsObjectEx ()

const PyObjectEx *	AsObjectEx () const

PyPackedRow *	AsPackedRow ()

const PyPackedRow *	AsPackedRow () const

void	Dump (FILE into, const char pfx) const
	Dumps object to file. More...

void	Dump (LogType type, const char *pfx) const
	Dumps object to console. More...

Public Member Functions inherited from RefObject
	RefObject (size_t initRefCount)
	Initializes reference count. More...

virtual	~RefObject ()
	Destructor; must be virtual. More...

size_t	GetCount ()

Protected Member Functions
virtual	~PyFloat ()

Protected Member Functions inherited from PyRep
	PyRep (PyType t)

	PyRep (const PyRep &oth)

	PyRep (PyRep &&oth)=delete

PyRep &	operator= (const PyRep &oth)=default

PyRep &	operator= (PyRep &&oth)=default

virtual	~PyRep ()

Protected Member Functions inherited from RefObject
void	IncRef () const
	Increments reference count of object by one. More...

void	DecRef () const
	Decrements reference count of object by one. More...

Protected Attributes
const double	mValue

Protected Attributes inherited from PyRep
const PyType	mType

Protected Attributes inherited from RefObject
size_t	mRefCount
	Reference count of instance. More...

bool	mDeleted

Additional Inherited Members
Public Types inherited from PyRep
enum	PyType { PyTypeMin = 0, PyTypeInt = 1, PyTypeLong = 2, PyTypeFloat = 3, PyTypeBool = 4, PyTypeBuffer = 5, PyTypeString = 6, PyTypeWString = 7, PyTypeToken = 8, PyTypeTuple = 9, PyTypeList = 10, PyTypeDict = 11, PyTypeNone = 12, PyTypeSubStruct = 13, PyTypeSubStream = 14, PyTypeChecksumedStream = 15, PyTypeObject = 16, PyTypeObjectEx = 17, PyTypePackedRow = 18, PyTypeError = 19 }
	Python wire object types. More...

Static Public Member Functions inherited from PyRep
static std::string	StringContent (PyRep *pRep)

static int64	IntegerValue (PyRep *pRep)

static uint32	IntegerValueU32 (PyRep *pRep)

Detailed Description

Python floating point number.

Class representing floating point number.

Definition at line 292 of file PyRep.h.

Constructor & Destructor Documentation

PyFloat::PyFloat ( const double & i )

Definition at line 238 of file PyRep.cpp.

Referenced by Clone().

238 : PyRep( PyRep::PyTypeFloat ), mValue( i ) { }

PyFloat::mValue

const double mValue

Definition: PyRep.h:315

PyRep::PyRep

PyRep(PyType t)

Definition: PyRep.cpp:73

PyRep::PyTypeFloat

Definition: PyRep.h:77

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PyFloat::PyFloat ( const PyFloat & oth )

Definition at line 239 of file PyRep.cpp.

239 : PyRep( PyRep::PyTypeFloat ), mValue( oth.value() ) { }

PyFloat::value

double value() const

Definition: PyRep.h:309

PyFloat::mValue

const double mValue

Definition: PyRep.h:315

PyRep::PyRep

PyRep(PyType t)

Definition: PyRep.cpp:73

PyRep::PyTypeFloat

Definition: PyRep.h:77

PyFloat::PyFloat ( PyFloat && oth )

delete

virtual PyFloat::~PyFloat ( )

inlineprotectedvirtual

Definition at line 314 of file PyRep.h.

314 { /* do we need to do anything here? */ }

Member Function Documentation

PyRep * PyFloat::Clone ( ) const

virtual

Clones object.

Returns: Indentical copy of object.

Implements PyRep.

Definition at line 241 of file PyRep.cpp.

References PyFloat().

 {
     return new PyFloat( *this );
 }

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int32 PyFloat::hash ( ) const

virtual

virtual function to generate a hash value of a object.

virtual function to generate a hash value of a object to facilitate the various maps and checks.

Returns: returns a uint32 containing a hash function that represents the object.

Reimplemented from PyRep.

Definition at line 256 of file PyRep.cpp.

References PyRep::hash(), INT32_MAX, mValue, Py_IS_INFINITY, and PyDecRef.

 {
 #define Py_IS_INFINITY( X ) \
     ( !finite( X ) && !isnan( X ) )
 
     double v = mValue;
     double intpart=0.0, fractpart=0.0;
     int expo=0;
     long hipart=0, x=0;        /* x is the final hash value */
     /* This is designed so that Python numbers of different types
     * that compare equal hash to the same value; otherwise comparisons
     * of mapping keys will turn out weird.
     */
 
     fractpart = modf(v, &intpart);
     if (fractpart == 0.0) {
         /* This must return the same hash as an equal int or long. */
         if ((intpart > INT32_MAX) or (-intpart > INT32_MAX)) {
             /* Convert to long and use its hash. */
             if (Py_IS_INFINITY(intpart))
                 /* can't convert to long int -- arbitrary */
                 v = v < 0 ? -271828.0 : 314159.0;
             //plong = PyLong_FromDouble(v);
 
             PyRep *plong = new PyLong( (int64)v ); // this is a hack
             if (plong == nullptr)
                 return -1;
             x = plong->hash();
             PyDecRef( plong );
             return x;
         }
         /* Fits in a C long == a Python int, so is its own hash. */
         x = (long)intpart;
         if (x == -1)
             x = -2;
         return x;
     }
     /* The fractional part is non-zero, so we don't have to worry about
     * making this match the hash of some other type.
     * Use frexp to get at the bits in the double.
     * Since the VAX D double format has 56 mantissa bits, which is the
     * most of any double format in use, each of these parts may have as
     * many as (but no more than) 56 significant bits.
     * So, assuming sizeof(long) >= 4, each part can be broken into two
     * longs; frexp and multiplication are used to do that.
     * Also, since the Cray double format has 15 exponent bits, which is
     * the most of any double format in use, shifting the exponent field
     * left by 15 won't overflow a long (again assuming sizeof(long) >= 4).
     */
     v = frexp(v, &expo);
     v *= 2147483648.0;    /* 2**31 */
     hipart = (long)v;    /* take the top 32 bits */
     v = (v - (double)hipart) * 2147483648.0; /* get the next 32 bits */
     x = hipart + (long)v + (expo << 15);
     if (x == -1)
         x = -2;
     return x;
 
 #undef Py_IS_INFINITY
 }

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PyFloat& PyFloat::operator= ( const PyFloat & oth )

delete

PyFloat& PyFloat::operator= ( PyFloat && oth )

delete

double PyFloat::value ( ) const

inline

Definition at line 309 of file PyRep.h.

References mValue.

Referenced by CharacterAppearance::Build(), CharacterPortrait::Build(), PyRep::IntegerValue(), PyRep::IntegerValueU32(), Scan::RequestScans(), CharacterDB::SetAvatar(), CharacterDB::SetAvatarSculpts(), MarshalStream::VisitPackedRow(), PyDumpVisitor::VisitReal(), and MarshalStream::VisitReal().

309 { return mValue; }

PyFloat::mValue

const double mValue

Definition: PyRep.h:315

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bool PyFloat::visit ( PyVisitor & v ) const

virtual

Visits object.

Parameters

[in] v Visitor to be used for visiting.

Return values

true	Visit successful.
false	Error during visit.

Implements PyRep.

Definition at line 246 of file PyRep.cpp.

References PyVisitor::VisitReal().

 {
     return v.VisitReal( this );
 }

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Member Data Documentation

const double PyFloat::mValue

protected

Definition at line 315 of file PyRep.h.

Referenced by hash(), and value().

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

/backups/local/src/eve/EvEmu_Crucible/src/eve-common/python/PyRep.h
/backups/local/src/eve/EvEmu_Crucible/src/eve-common/python/PyRep.cpp

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation