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

Scaling matrix holding unsigned integer values of type unsigned long. More...

+ Inheritance diagram for CDPL.Math.ULScalingMatrix:

Public Member Functions

None __init__ (ULScalingMatrix m)
 Constructs a copy of the scaling matrix m. More...
 
None __init__ (int n, int sx=1, int sy=1, int sz=1)
 Constructs an N×N scaling matrix with the supplied per-axis scale factors. More...
 
None set (int sx=1, int sy=1, int sz=1)
 Sets the per-axis scale factors. More...
 
int getObjectID ()
 Returns the numeric identifier (ID) of the wrapped C++ class instance. More...
 
int getSize1 ()
 Returns the dimension N (the row count). More...
 
int getSize2 ()
 Returns the dimension N (the column count). More...
 
bool isEmpty ()
 Tells whether the matrix is empty (size zero). More...
 
int getElement (int i, int j)
 Returns the scaling matrix element at (i, j). More...
 
object toArray ()
 Converts the ULScalingMatrix instance into a corresponding numpy.ndarray object. More...
 
ULScalingMatrix assign (ULScalingMatrix m)
 Copy-assigns the dimension and the per-axis scale factors from m. More...
 
None swap (ULScalingMatrix m)
 Swaps the dimension and the per-axis scale factors with m. More...
 
int __call__ (int i, int j)
 Returns the scaling matrix element at (i, j). More...
 
int __getitem__ (tuple ij)
 Returns the scaling matrix element at (i, j). More...
 
int __len__ ()
 Returns the number of rows. More...
 
bool __eq__ (ULScalingMatrix m)
 Returns the result of the comparison operation self == m. More...
 
bool __eq__ (ConstULMatrixExpression e)
 Returns the result of the comparison operation self == e. More...
 
bool __ne__ (ULScalingMatrix m)
 Returns the result of the comparison operation self != m. More...
 
bool __ne__ (ConstULMatrixExpression e)
 Returns the result of the comparison operation self != e. More...
 
str __str__ ()
 Returns a string representation of the ULScalingMatrix instance. More...
 
ULScalingMatrix __pos__ ()
 Returns self. More...
 
ConstULMatrixExpression __neg__ ()
 Returns the result of the operation self * -1. More...
 
ConstULMatrixExpression __add__ (ConstULMatrixExpression e)
 Returns the result of the addition operation self + e. More...
 
ConstULMatrixExpression __sub__ (ConstULMatrixExpression e)
 Returns the result of the subtraction operation self - e. More...
 
ConstULMatrixExpression __mul__ (int t)
 Returns the result of the multiplication operation self * t. More...
 
ConstULMatrixExpression __mul__ (ConstULMatrixExpression e)
 Returns the result of the multiplication operation self * e. More...
 
ConstULVectorExpression __mul__ (ConstULVectorExpression e)
 Returns the result of the multiplication operation self * e. More...
 
ConstULMatrixExpression __div__ (int t)
 Returns the result of the division operation self // t. More...
 
ConstULMatrixExpression __truediv__ (int t)
 Returns the result of the true division operation self / t. More...
 
ConstULMatrixExpression __rmul__ (int t)
 Returns the result of the multiplication operation t * self. More...
 

Properties

 objectID = property(getObjectID)
 
 size1 = property(getSize1)
 
 size2 = property(getSize2)
 

Detailed Description

Scaling matrix holding unsigned integer values of type unsigned long.

Constructor & Destructor Documentation

◆ __init__() [1/2]

None CDPL.Math.ULScalingMatrix.__init__ ( ULScalingMatrix  m)

Constructs a copy of the scaling matrix m.

Parameters
mThe scaling matrix to copy.

◆ __init__() [2/2]

None CDPL.Math.ULScalingMatrix.__init__ ( int  n,
int   sx = 1,
int   sy = 1,
int   sz = 1 
)

Constructs an N×N scaling matrix with the supplied per-axis scale factors.

Parameters
nThe matrix dimension N.
sxThe x-axis scale factor.
syThe y-axis scale factor.
szThe z-axis scale factor.

Member Function Documentation

◆ set()

None CDPL.Math.ULScalingMatrix.set ( int   sx = 1,
int   sy = 1,
int   sz = 1 
)

Sets the per-axis scale factors.

Parameters
sxThe x-axis scale factor.
syThe y-axis scale factor.
szThe z-axis scale factor.

◆ getObjectID()

int CDPL.Math.ULScalingMatrix.getObjectID ( )

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

Different Python ULScalingMatrix 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 ULScalingMatrix 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.

◆ getSize1()

int CDPL.Math.ULScalingMatrix.getSize1 ( )

Returns the dimension N (the row count).

Returns
N.

◆ getSize2()

int CDPL.Math.ULScalingMatrix.getSize2 ( )

Returns the dimension N (the column count).

Returns
N.

◆ isEmpty()

bool CDPL.Math.ULScalingMatrix.isEmpty ( )

Tells whether the matrix is empty (size zero).

Returns
True if N is zero, and False otherwise.

◆ getElement()

int CDPL.Math.ULScalingMatrix.getElement ( int  i,
int  j 
)

Returns the scaling matrix element at (i, j).

Parameters
iThe zero-based row index.
jThe zero-based column index.
Returns
The corresponding axis scaling factor on a diagonal position and 0 off the diagonal.
Exceptions
Base.IndexErrorif either index is out of range.

◆ toArray()

object CDPL.Math.ULScalingMatrix.toArray ( )

Converts the ULScalingMatrix instance into a corresponding numpy.ndarray object.

Returns
The generated numpy.ndarray object.
See also
[NUMPY]

◆ assign()

ULScalingMatrix CDPL.Math.ULScalingMatrix.assign ( ULScalingMatrix  m)

Copy-assigns the dimension and the per-axis scale factors from m.

Parameters
mThe source scaling matrix.
Returns
self.

◆ swap()

None CDPL.Math.ULScalingMatrix.swap ( ULScalingMatrix  m)

Swaps the dimension and the per-axis scale factors with m.

Parameters
mThe scaling matrix to swap with.

◆ __call__()

int CDPL.Math.ULScalingMatrix.__call__ ( int  i,
int  j 
)

Returns the scaling matrix element at (i, j).

Parameters
iThe zero-based row index.
jThe zero-based column index.
Returns
The corresponding axis scaling factor on a diagonal position and 0 off the diagonal.
Exceptions
Base.IndexErrorif either index is out of range.

◆ __getitem__()

int CDPL.Math.ULScalingMatrix.__getitem__ ( tuple  ij)

Returns the scaling matrix element at (i, j).

Parameters
iThe zero-based row index.
jThe zero-based column index.
Returns
The corresponding axis scaling factor on a diagonal position and 0 off the diagonal.
Exceptions
Base.IndexErrorif either index is out of range.

◆ __len__()

int CDPL.Math.ULScalingMatrix.__len__ ( )

Returns the number of rows.

Returns
The number of rows.

◆ __eq__() [1/2]

bool CDPL.Math.ULScalingMatrix.__eq__ ( ULScalingMatrix  m)

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

Parameters
mThe ULScalingMatrix instance to be compared with.
Returns
The result of the comparison operation.

◆ __eq__() [2/2]

bool CDPL.Math.ULScalingMatrix.__eq__ ( ConstULMatrixExpression  e)

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

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

◆ __ne__() [1/2]

bool CDPL.Math.ULScalingMatrix.__ne__ ( ULScalingMatrix  m)

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

Parameters
mThe ULScalingMatrix instance to be compared with.
Returns
The result of the comparison operation.

◆ __ne__() [2/2]

bool CDPL.Math.ULScalingMatrix.__ne__ ( ConstULMatrixExpression  e)

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

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

◆ __str__()

str CDPL.Math.ULScalingMatrix.__str__ ( )

Returns a string representation of the ULScalingMatrix instance.

Returns
The generated string representation.

◆ __pos__()

ULScalingMatrix CDPL.Math.ULScalingMatrix.__pos__ ( )

Returns self.

Returns
self.

◆ __neg__()

ConstULMatrixExpression CDPL.Math.ULScalingMatrix.__neg__ ( )

Returns the result of the operation self * -1.

Returns
A ConstULMatrixExpression instance holding the result of the element negation.

◆ __add__()

ConstULMatrixExpression CDPL.Math.ULScalingMatrix.__add__ ( ConstULMatrixExpression  e)

Returns the result of the addition operation self + e.

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

◆ __sub__()

ConstULMatrixExpression CDPL.Math.ULScalingMatrix.__sub__ ( ConstULMatrixExpression  e)

Returns the result of the subtraction operation self - e.

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

◆ __mul__() [1/3]

ConstULMatrixExpression CDPL.Math.ULScalingMatrix.__mul__ ( int  t)

Returns the result of the multiplication operation self * t.

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

◆ __mul__() [2/3]

ConstULMatrixExpression CDPL.Math.ULScalingMatrix.__mul__ ( ConstULMatrixExpression  e)

Returns the result of the multiplication operation self * e.

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

◆ __mul__() [3/3]

ConstULVectorExpression CDPL.Math.ULScalingMatrix.__mul__ ( ConstULVectorExpression  e)

Returns the result of the multiplication operation self * e.

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

◆ __div__()

ConstULMatrixExpression CDPL.Math.ULScalingMatrix.__div__ ( int  t)

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

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

◆ __truediv__()

ConstULMatrixExpression CDPL.Math.ULScalingMatrix.__truediv__ ( int  t)

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

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

◆ __rmul__()

ConstULMatrixExpression CDPL.Math.ULScalingMatrix.__rmul__ ( int  t)

Returns the result of the multiplication operation t * self.

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