Chemical Data Processing Library Python API - Version 1.4.0
Public Member Functions | Properties | List of all members
CDPL.Math.ConstFMatrixRow Class Reference

Vector expression proxy that views a single row of an underlying matrix. More...

+ Inheritance diagram for CDPL.Math.ConstFMatrixRow:

Public Member Functions

None __init__ (ConstFMatrixRow r)
 Initializes a copy of the ConstFMatrixRow instance r. More...
 
None __init__ (ConstFMatrixExpression e, int i)
 Initializes the ConstFMatrixRow instance. More...
 
int getIndex ()
 Returns the row index this proxy refers to within the wrapped matrix. More...
 
int getObjectID ()
 Returns the numeric identifier (ID) of the wrapped C++ class instance. More...
 
bool isEmpty ()
 Tells whether the row is empty (the wrapped matrix has zero columns). More...
 
int getSize ()
 Returns the size of the row (number of columns of the wrapped matrix). More...
 
float getElement (int i)
 
object toArray ()
 
ConstFMatrixExpression getData ()
 Returns a reference to the wrapped matrix (via its stored closure). More...
 
bool __eq__ (ConstFMatrixRow r)
 Returns the result of the comparison operation self == r. More...
 
bool __eq__ (ConstFVectorExpression e)
 Returns the result of the comparison operation self == e. More...
 
bool __ne__ (ConstFMatrixRow r)
 Returns the result of the comparison operation self != r. More...
 
bool __ne__ (ConstFVectorExpression e)
 Returns the result of the comparison operation self != e. More...
 
float __call__ (int i)
 Returns a reference to the element at column i of the row. More...
 
float __getitem__ (int i)
 Returns a reference to the element at column i of the row. More...
 
int __len__ ()
 Returns the size of the row (number of columns of the wrapped matrix). More...
 
str __str__ ()
 Returns a string representation of the ConstFMatrixRow instance. More...
 
ConstFMatrixRow __pos__ ()
 
ConstFVectorExpression __neg__ ()
 
ConstFVectorExpression __add__ (ConstFVectorExpression e)
 Returns the result of the addition operation self + e. More...
 
ConstFVectorExpression __sub__ (ConstFVectorExpression e)
 Returns the result of the subtraction operation self - e. More...
 
ConstFVectorExpression __mul__ (float t)
 Returns the result of the multiplication operation self * t. More...
 
ConstFVectorExpression __mul__ (ConstFMatrixExpression e)
 Returns the result of the multiplication operation self * e. More...
 
ConstFVectorExpression __div__ (float t)
 Returns the result of the division operation self // t. More...
 
ConstFVectorExpression __truediv__ (float t)
 Returns the result of the true division operation self / t. More...
 
ConstFVectorExpression __rmul__ (float t)
 Returns the result of the multiplication operation t * self. More...
 

Properties

 objectID = property(getObjectID)
 
 size = property(getSize)
 
 data = property(getData)
 
 index = property(getIndex)
 

Detailed Description

Vector expression proxy that views a single row of an underlying matrix.

Constructor & Destructor Documentation

◆ __init__() [1/2]

None CDPL.Math.ConstFMatrixRow.__init__ ( ConstFMatrixRow  r)

Initializes a copy of the ConstFMatrixRow instance r.

Parameters
rThe ConstFMatrixRow instance to copy.

◆ __init__() [2/2]

None CDPL.Math.ConstFMatrixRow.__init__ ( ConstFMatrixExpression  e,
int  i 
)

Initializes the ConstFMatrixRow instance.

Parameters
e
i

Member Function Documentation

◆ getIndex()

int CDPL.Math.ConstFMatrixRow.getIndex ( )

Returns the row index this proxy refers to within the wrapped matrix.

Returns
The zero-based row index.

◆ getObjectID()

int CDPL.Math.ConstFMatrixRow.getObjectID ( )

Returns the numeric identifier (ID) of the wrapped C++ class instance.

Different Python ConstFMatrixRow instances may reference the same underlying C++ class instance. The commonly used Python expression a is not b thus cannot tell reliably whether the two ConstFMatrixRow instances a and b reference different C++ objects. The numeric identifier returned by this method allows to correctly implement such an identity test via the simple expression a.getObjectID() != b.getObjectID().

Returns
The numeric ID of the internally referenced C++ class instance.

◆ isEmpty()

bool CDPL.Math.ConstFMatrixRow.isEmpty ( )

Tells whether the row is empty (the wrapped matrix has zero columns).

Returns
True if the wrapped matrix has zero columns, and False otherwise.

◆ getSize()

int CDPL.Math.ConstFMatrixRow.getSize ( )

Returns the size of the row (number of columns of the wrapped matrix).

Returns
The number of columns.

◆ getData()

ConstFMatrixExpression CDPL.Math.ConstFMatrixRow.getData ( )

Returns a reference to the wrapped matrix (via its stored closure).

Returns
A reference to the wrapped matrix closure.

◆ __eq__() [1/2]

bool CDPL.Math.ConstFMatrixRow.__eq__ ( ConstFMatrixRow  r)

Returns the result of the comparison operation self == r.

Parameters
rThe ConstFMatrixRow instance to be compared with.
Returns
The result of the comparison operation.

◆ __eq__() [2/2]

bool CDPL.Math.ConstFMatrixRow.__eq__ ( ConstFVectorExpression  e)

Returns the result of the comparison operation self == e.

Parameters
eThe ConstFVectorExpression instance to be compared with.
Returns
The result of the comparison operation.

◆ __ne__() [1/2]

bool CDPL.Math.ConstFMatrixRow.__ne__ ( ConstFMatrixRow  r)

Returns the result of the comparison operation self != r.

Parameters
rThe ConstFMatrixRow instance to be compared with.
Returns
The result of the comparison operation.

◆ __ne__() [2/2]

bool CDPL.Math.ConstFMatrixRow.__ne__ ( ConstFVectorExpression  e)

Returns the result of the comparison operation self != e.

Parameters
eThe ConstFVectorExpression instance to be compared with.
Returns
The result of the comparison operation.

◆ __call__()

float CDPL.Math.ConstFMatrixRow.__call__ ( int  i)

Returns a reference to the element at column i of the row.

Parameters
iThe zero-based column index.
Returns
A reference to the underlying element m(index, i).

◆ __getitem__()

float CDPL.Math.ConstFMatrixRow.__getitem__ ( int  i)

Returns a reference to the element at column i of the row.

Parameters
iThe zero-based column index.
Returns
A reference to the underlying element.

◆ __len__()

int CDPL.Math.ConstFMatrixRow.__len__ ( )

Returns the size of the row (number of columns of the wrapped matrix).

Returns
The number of columns.

◆ __str__()

str CDPL.Math.ConstFMatrixRow.__str__ ( )

Returns a string representation of the ConstFMatrixRow instance.

Returns
The generated string representation.

◆ __add__()

ConstFVectorExpression CDPL.Math.ConstFMatrixRow.__add__ ( ConstFVectorExpression  e)

Returns the result of the addition operation self + e.

Parameters
eSpecifies the second addend.
Returns
A ConstFVectorExpression instance holding the result of the addition.

◆ __sub__()

ConstFVectorExpression CDPL.Math.ConstFMatrixRow.__sub__ ( ConstFVectorExpression  e)

Returns the result of the subtraction operation self - e.

Parameters
eSpecifies the subtrahend.
Returns
A ConstFMatrixRow instance holding the result of the subtraction.

◆ __mul__() [1/2]

ConstFVectorExpression CDPL.Math.ConstFMatrixRow.__mul__ ( float  t)

Returns the result of the multiplication operation self * t.

Parameters
tSpecifies the multiplier.
Returns
A ConstFVectorExpression instance holding the result of the multiplication.

◆ __mul__() [2/2]

ConstFVectorExpression CDPL.Math.ConstFMatrixRow.__mul__ ( ConstFMatrixExpression  e)

Returns the result of the multiplication operation self * e.

Parameters
eSpecifies the multiplier.
Returns
A ConstFVectorExpression instance holding the result of the multiplication.

◆ __div__()

ConstFVectorExpression CDPL.Math.ConstFMatrixRow.__div__ ( float  t)

Returns the result of the division operation self // t.

Parameters
tSpecifies the divisor.
Returns
A ConstFVectorExpression instance holding the result of the division.

◆ __truediv__()

ConstFVectorExpression CDPL.Math.ConstFMatrixRow.__truediv__ ( float  t)

Returns the result of the true division operation self / t.

Parameters
tSpecifies the divisor.
Returns
A ConstFVectorExpression instance holding the result of the division.

◆ __rmul__()

ConstFVectorExpression CDPL.Math.ConstFMatrixRow.__rmul__ ( float  t)

Returns the result of the multiplication operation t * self.

Parameters
tSpecifies the multiplicand.
Returns
A ConstFVectorExpression instance holding the result of the multiplication.