jnumeric

Class PyMultiarray

java.lang.Object

org.python.core.PyObject

org.python.core.PySequence

jnumeric.PyMultiarray

All Implemented Interfaces:

java.io.Serializable

public class PyMultiarray
extends PySequence

The container for n-dimensional arrays. The array itself is stored as a one-dimensional array; the mathematical routines manipulating these arrays must treat it appropriately based on their shape and stride.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.python.core.PyObject

PyObject.ConversionException

Field Summary

Fields

Modifier and Type	Field and Description
static PyType	ATYPE Python class of PyMultiarray.
static int	maxLineWidth Used to format arrays for str([0]) and repr([1])
static int	precision Used to format arrays for str([0]) and repr([1])
static boolean	suppressSmall Used to format arrays for str([0]) and repr([1])

Fields inherited from class org.python.core.PyObject

gcMonitorGlobal, TYPE

Constructor Summary

Constructors

Constructor and Description
PyMultiarray(java.lang.Object data, char _typecode, int start, int[] dimensions, int[] strides) Create a multiarray object given values of instance variables.
PyMultiarray(PyObject seq) Create a multiarray object from a sequence.
PyMultiarray(PyObject seq, char typecode) Create a multiarray object from a sequence and a type.

Method Summary

Modifier and Type	Method and Description
PyObject	__abs__() Equivalent to the standard Python __abs__ method.
PyObject	__add__(PyObject o) Equivalent to the standard Python __add__ method.
PyObject	__and__(PyObject o) Equivalent to the standard Python __and__ method
int	__cmp__(PyObject other) Disable comparison of Multiarrays
PyObject	__div__(PyObject o) Equivalent to the standard Python __div__ method
PyObject	__divmod__(PyObject po) Equivalent to the standard Python __divmod__ method
PyObject	__eq(PyObject o)
PyObject	__findattr_ex__(java.lang.String name) Multiarray attributes are found using __findattr__.
PyObject	__ge(PyObject o)
PyObject	__getitem__(int index) Override PyObject method so that get is invoked instead of __finditem__.
PyObject	__getitem__(PyObject indices) Return the subarray or item indicated by indices.
PyObject	__gt(PyObject o)
PyObject	__land(PyObject o)
PyObject	__le(PyObject o)
int	__len__() Return the length of the array (along the first axis).
PyObject	__lor(PyObject o)
PyObject	__lt(PyObject o)
PyObject	__lxor(PyObject o)
PyObject	__max(PyObject o)
PyObject	__min(PyObject o)
PyObject	__mod__(PyObject o) Equivalent to the standard Python __mod__ method
PyObject	__mul__(PyObject o) Equivalent to the standard Python __mul__ method.
PyObject	__neg__() Equivalent to the standard Python __neg__ method.
PyObject	__neq(PyObject o)
PyObject	__not__() Implements boolean not
PyObject	__or__(PyObject o) Equivalent to the standard Python __or__ method
PyObject	__pow__(PyObject o) Equivalent to the standard Python __pow__ method
PyObject	__radd__(PyObject po) Equivalent to the standard Python __radd__ method.
PyObject	__rdiv__(PyObject po) Equivalent to the standard Python __rdiv__ method
PyObject	__rdivmod__(PyObject po) Equivalent to the standard Python __rdivmod__ method
PyString	__repr__() Return the repr for this Multiarray.
PyObject	__rmod__(PyObject po) Equivalent to the standard Python __rmod__ method
PyObject	__rmul__(PyObject po) Equivalent to the standard Python __rmul__ method.
PyObject	__rsub__(PyObject po) Equivalent to the standard Python __rsub__ method
void	__setattr__(java.lang.String name, PyObject value) Multiarray attributes are set using __setattr__.
void	__setitem__(PyObject indices, PyObject pyValue) Set the subarray based on indices to PyValue.
PyString	__str__() Return the str for this Multiarray.
PyObject	__sub__(PyObject o) Equivalent to the standard Python __sub__ method
java.lang.Object	__tojava__(java.lang.Class<?> c) Convert this to a java object of Class c.
PyObject	__xor__(PyObject o) Equivalent to the standard Python __xor__ method
static PyMultiarray	argSort(PyObject o, int axis) Returns the indices that would sort an array.
static PyMultiarray	array(PyObject seq) Create a new multiarray from seq.
static PyMultiarray	array(PyObject seq, char typecode) Create a new multiarray from seq of type typecode ('\0' indicates the type should be inferred from seq).
static PyMultiarray	arrayRange(PyObject start, PyObject stop, PyObject step, char typecode) Create a range of numbers in [start, stop) with the given step and typecode.
static PyMultiarray	asarray(PyObject seq) Return seq if it's a multiarray, otherwise returns a new multiarray.
static PyMultiarray	asarray(PyObject seq, char typecode) Return seq if it's a multiarray of type typecode, otherwise returns a new multiarray.
static PyMultiarray	ascontiguous(PyObject seq) Return seq if it's a contiguous multiarray of type typecode, otherwise returns a new multiarray.
static PyMultiarray	ascontiguous(PyObject seq, char _typecode) Return seq if it's a contiguous multiarray, otherwise returns a new multiarray.
PyMultiarray	astype(char type) Return multiarray coerced to type.
PyMultiarray	byteswapped() Return a multiarray with data byte swapped (little to big endian).
static PyMultiarray	choose(PyObject oA, PyObject b) Implements choose()/clip()/where() functionality.
static PyMultiarray	concatenate(PyObject po, int axis) Join a sequence of arrays together.
static PyMultiarray	convolve(PyObject oA0, PyObject oB0, int mode) Return convolution of two vectors.
PyMultiarray	copy() Return a copy.
static PyMultiarray	cross_correlate(PyObject oA0, PyObject oB0, int mode) Return cross-correlation of two vectors.
static PyMultiarray	diagonal(PyObject o, int offset, int axis) Return the diagonal of a matrix.
static PyMultiarray	fromFunction(PyObject function, PyObject shape) Create an array by calling function the coordinates of each element of an array with the given shape.
static PyMultiarray	fromString(java.lang.String s, char type) Create a 1D array from a string.
static PyMultiarray	indices(PyObject o, char typecode) Create a set of indices for use with fromFunction.
static PyObject	innerProduct(PyObject oA, PyObject oB, int axisA, int axisB) Inner product of two arrays.
int	iscontiguous() Return (1) if the array is contiguous, 0 otherwise.
boolean	isNumberType()
int	itemsize() Return the size (in bytes) of the items.
static PyObject	myMax(PyObject a, PyObject b)
static PyObject	myMin(PyObject a, PyObject b)
static PyMultiarray	repeat(PyObject oA, PyObject oRepeats, int axis) Repeat elements of an array.
static PyMultiarray	reshape(PyObject o, int[] shape) Return a reshaped multiarray (shares data with a if it is contiguous).
static PyMultiarray	resize(PyObject o, int[] shape) Return a new array with the specified shape.
static PyObject	searchSorted(PyObject o, PyObject v) Return an array of indices of where the items would be locatated in the given array.
static int[]	shapeOf(PyObject seq) Return the shape of a Python sequence.
static PyMultiarray	sort(PyObject o, int axis) Return a new, sorted array.
static PyMultiarray	take(PyObject oA, PyObject oIndices, int axis) Take elements from an array along an axis.
PyList	tolist() Return multiarray as a Python list.
java.lang.String	tostring() Return multiarray data represented as a string.
java.lang.String	toString() Return a string representation of the byte array corresponding to this array
static PyMultiarray	transpose(PyObject o, int[] perms) Return a multiarray with the axes transposed according to perms (shares data with a).
char	typecode() Return the typecode.
static PyMultiarray	XC_pad_vector(PyMultiarray V, int padl) Perform padding on vector, prior to using FFT.
static int	XC_padded_length(int length) Compute the padded length of a vector prior to using FFT.
static PyMultiarray	XC_unpad_vector(PyMultiarray R, int lenA, int lenB, int mode) Recover the result of an FFT-based correlation.
static PyMultiarray	zeros(int[] shape, char typecode) Create a new multiarray of zeros with shape shape of type typecode.
static PyMultiarray	zeros(java.lang.Object shape, char typecode) Create a new multiarray of zeros with shape shape of type typecode.
static PyMultiarray	zeros(PyObject shape) Create a new multiarray of zeros with shape shape with type inferenced from shape.

Methods inherited from class org.python.core.PySequence

__delitem__, __delslice__, __eq__, __finditem__, __finditem__, __ge__, __getslice__, __gt__, __iter__, __le__, __lt__, __ne__, __nonzero__, __setitem__, __setslice__, isMappingType, isSequenceType

Methods inherited from class org.python.core.PyObject

__call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __coerce__, __coerce_ex__, __complex__, __contains__, __delattr__, __delattr__, __delete__, __delitem__, __delslice__, __dir__, __ensure_finalizer__, __findattr__, __findattr__, __finditem__, __float__, __floordiv__, __format__, __get__, __getattr__, __getattr__, __getnewargs__, __getslice__, __hash__, __hex__, __iadd__, __iand__, __idiv__, __idivmod__, __ifloordiv__, __ilshift__, __imod__, __imul__, __index__, __int__, __invert__, __ior__, __ipow__, __irshift__, __isub__, __iternext__, __itruediv__, __ixor__, __long__, __lshift__, __oct__, __pos__, __pow__, __rand__, __reduce__, __reduce_ex__, __reduce_ex__, __rfloordiv__, __rlshift__, __ror__, __rpow__, __rrshift__, __rshift__, __rtruediv__, __rxor__, __set__, __setattr__, __setitem__, __setslice__, __truediv__, __trunc__, __unicode__, _add, _and, _callextra, _cmp, _div, _divmod, _doget, _doget, _doset, _eq, _floordiv, _ge, _gt, _iadd, _iand, _idiv, _idivmod, _ifloordiv, _ilshift, _imod, _imul, _in, _ior, _ipow, _irshift, _is, _isnot, _isub, _itruediv, _ixor, _jcall, _jcallexc, _jthrow, _le, _lshift, _lt, _mod, _mul, _ne, _notin, _or, _pow, _rshift, _sub, _truediv, _xor, asDouble, asIndex, asIndex, asInt, asInt, asIterable, asLong, asLong, asName, asName, asString, asString, asStringOrNull, asStringOrNull, bit_length, conjugate, delDict, delType, dispatch__init__, equals, fastGetClass, fastGetDict, getDict, getType, hashCode, implementsDescrDelete, implementsDescrGet, implementsDescrSet, invoke, invoke, invoke, invoke, invoke, invoke, isCallable, isDataDescr, isIndex, isInteger, noAttributeError, object___subclasshook__, readonlyAttributeError, setDict, setType

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Field Detail

maxLineWidth

public static int maxLineWidth

Used to format arrays for str([0]) and repr([1])

precision

public static int precision

Used to format arrays for str([0]) and repr([1])

suppressSmall

public static boolean suppressSmall

Used to format arrays for str([0]) and repr([1])

ATYPE

public static final PyType ATYPE

Python class of PyMultiarray.

See Also:

PyObject

Constructor Detail

PyMultiarray

public PyMultiarray(java.lang.Object data,
                    char _typecode,
                    int start,
                    int[] dimensions,
                    int[] strides)

Create a multiarray object given values of instance variables.

Parameters:

data - The 1D array

_typecode - Datatype of the array

start - Start of the array

dimensions - Dimensionality

strides - Strides

PyMultiarray

public PyMultiarray(PyObject seq,
                    char typecode)

Create a multiarray object from a sequence and a type.

Parameters:

seq - Array-like

typecode - Datatype of the array

PyMultiarray

public PyMultiarray(PyObject seq)

Create a multiarray object from a sequence.

Parameters:

seq - Array-like

Method Detail

array

public static PyMultiarray array(PyObject seq,
                                 char typecode)

Create a new multiarray from seq of type typecode ('\0' indicates the type should be inferred from seq).

Parameters:

seq - Array-like

typecode - Datatype of the array

Returns:

The new multiarray

array

public static PyMultiarray array(PyObject seq)

Create a new multiarray from seq. The type is determined by examining seq.

Parameters:

seq - Array-like

Returns:

The new multiarray

zeros

public static PyMultiarray zeros(int[] shape,
                                 char typecode)

Create a new multiarray of zeros with shape shape of type typecode.

Parameters:

shape - A tuple or list describing the dimensionality of the array (e.g., (10,) for a 10-element vector, [2, 5] for a 2 by 5 matrix))

typecode - Datatype of the array

Returns:

The new multiarray

zeros

public static PyMultiarray zeros(java.lang.Object shape,
                                 char typecode)

Create a new multiarray of zeros with shape shape of type typecode.

Parameters:

shape - A tuple or list describing the dimensionality of the array (e.g., (10,) for a 10-element vector, [2, 5] for a 2 by 5 matrix))

typecode - Datatype of the array

Returns:

The new multiarray

zeros

public static PyMultiarray zeros(PyObject shape)

Create a new multiarray of zeros with shape shape with type inferenced from shape.

Parameters:

shape - A tuple or list describing the dimensionality of the array (e.g., (10,) for a 10-element vector, [2, 5] for a 2 by 5 matrix))

Returns:

The new multiarray

arrayRange

public static PyMultiarray arrayRange(PyObject start,
                                      PyObject stop,
                                      PyObject step,
                                      char typecode)

Create a range of numbers in [start, stop) with the given step and typecode.

Parameters:

start - Start of the range (included)

stop - End of the range (not included)

step - Stepsize between the start and stop

typecode - Datatype of the array

Returns:

The new multiarray

indices

public static PyMultiarray indices(PyObject o,
                                   char typecode)

Create a set of indices for use with fromFunction.

Parameters:

o - The input array

typecode - Datatype of the indices

Returns:

The set of indices

fromFunction

public static PyMultiarray fromFunction(PyObject function,
                                        PyObject shape)

Create an array by calling function the coordinates of each element of an array with the given shape.

Parameters:

function - The function to call

shape - A tuple or list describing the dimensionality of the array (e.g., (10,) for a 10-element vector, [2, 5] for a 2 by 5 matrix))

Returns:

The new multiarray

fromString

public static PyMultiarray fromString(java.lang.String s,
                                      char type)

Create a 1D array from a string.

Parameters:

s - String from which to create the array

type - Datatype of the array

Returns:

The new multiarray

See Also:

toString()

asarray

public static PyMultiarray asarray(PyObject seq,
                                   char typecode)

Return seq if it's a multiarray of type typecode, otherwise returns a new multiarray.

Parameters:

seq - Array-like

typecode - Datatype of the new array

Returns:

The new multiarray

asarray

public static PyMultiarray asarray(PyObject seq)

Return seq if it's a multiarray, otherwise returns a new multiarray.

Parameters:

seq - Array-like

Returns:

The new multiarray

ascontiguous

public static PyMultiarray ascontiguous(PyObject seq,
                                        char _typecode)

Return seq if it's a contiguous multiarray, otherwise returns a new multiarray.

Parameters:

seq - Array-like

_typecode - Datatype (a single character)

Returns:

The new multiarray

ascontiguous

public static PyMultiarray ascontiguous(PyObject seq)

Return seq if it's a contiguous multiarray of type typecode, otherwise returns a new multiarray.

Parameters:

seq - Array-like

Returns:

The new multiarray

typecode

public char typecode()

Return the typecode.

Returns:

The typecode

See Also:

_typecode

itemsize

public int itemsize()

Return the size (in bytes) of the items.

Returns:

The size (in bytes) of the items

iscontiguous

public int iscontiguous()

Return (1) if the array is contiguous, 0 otherwise.

Returns:

1 if the array is contiguous, 0 otherwise

astype

public PyMultiarray astype(char type)

Return multiarray coerced to type. Note that CNumeric does the equivalent of return array(this, type) here.

Parameters:

type - The output type

Returns:

The new multiarray

tostring

public java.lang.String tostring()

Return multiarray data represented as a string.

Returns:

The string representation

byteswapped

public final PyMultiarray byteswapped()

Return a multiarray with data byte swapped (little to big endian).

Returns:

The byte swapped multiarray

copy

public final PyMultiarray copy()

Return a copy.

Returns:

Multiarray copy

tolist

public final PyList tolist()

Return multiarray as a Python list.

Returns:

Python list with the same data as the multiarray

reshape

public static PyMultiarray reshape(PyObject o,
                                   int[] shape)

Return a reshaped multiarray (shares data with a if it is contiguous).

Parameters:

o - Input array

shape - A tuple or list describing the dimensionality of the array (e.g., (10,) for a 10-element vector, [2, 5] for a 2 by 5 matrix))

Returns:

The reshaped multiarray

resize

public static PyMultiarray resize(PyObject o,
                                  int[] shape)

Return a new array with the specified shape. The original array can have any total size.

Parameters:

o - Input array

shape - A tuple or list describing the dimensionality of the array (e.g., (10,) for a 10-element vector, [2, 5] for a 2 by 5 matrix))

Returns:

The resized multiarray

sort

public static PyMultiarray sort(PyObject o,
                                int axis)

Return a new, sorted array.

Parameters:

o - Array to be sorted

axis - Axis over which to sort

Returns:

A new, sorted array

argSort

public static PyMultiarray argSort(PyObject o,
                                   int axis)

Returns the indices that would sort an array.

Parameters:

o - Input array

axis - Axis over which to sort

Returns:

The indices that would sort the array.

transpose

public static PyMultiarray transpose(PyObject o,
                                     int[] perms)

Return a multiarray with the axes transposed according to perms (shares data with a).

Parameters:

o - Input array

perms - Axes to transpose

Returns:

The transposed multiarray

repeat

public static PyMultiarray repeat(PyObject oA,
                                  PyObject oRepeats,
                                  int axis)

Repeat elements of an array.

Parameters:

oA - Input array

oRepeats - The number of repetitions for each element.

axis - The axis along which to repeat values.

Returns:

Output array which has the same shape as a, except along the given axis.

take

public static PyMultiarray take(PyObject oA,
                                PyObject oIndices,
                                int axis)

Take elements from an array along an axis.

Parameters:

oA - The source array.

oIndices - The indices of the values to extract.

axis - The axis over which to select values.

Returns:

The returned array has the same type as oA.

choose

public static PyMultiarray choose(PyObject oA,
                                  PyObject b)

Implements choose()/clip()/where() functionality. Choose elements from object oA based on set of indices b.

Parameters:

oA - This array must contain integers in [0, n-1], where n is the number of choices, unless mode=wrap or mode=clip, in which cases any integers are permissible.

b - Choice arrays. a and all of the choices must be broadcastable to the same shape.

Returns:

The merged result.

concatenate

public static PyMultiarray concatenate(PyObject po,
                                       int axis)

Join a sequence of arrays together.

Parameters:

po - sequence of array_like. The arrays must have the same shape, except in the dimension corresponding to axis (the first, by default).

axis - The axis along which the arrays will be joined. Default: 0.

Returns:

The concatenated array.

diagonal

public static PyMultiarray diagonal(PyObject o,
                                    int offset,
                                    int axis)

Return the diagonal of a matrix. Actually, it returns a rank-one array containing all elements of the original, such that the difference between their indices along the specified axes is equal to the specified offset. This means it can operate on non-square matrices too.

Parameters:

o - Array from which the diagonals are taken.

offset - Offset of the diagonal from the main diagonal. Can be positive or negative.

axis - Axis from which the diagonals should be taken.

Returns:

A 1-D array containing the diagonal.

innerProduct

public static PyObject innerProduct(PyObject oA,
                                    PyObject oB,
                                    int axisA,
                                    int axisB)

Inner product of two arrays.

Parameters:

oA - First input array

oB - Second input array

axisA - Axis for the first array

axisB - Axis for the second array

Returns:

Inner product of the two arrays.

searchSorted

public static PyObject searchSorted(PyObject o,
                                    PyObject v)

Return an array of indices of where the items would be locatated in the given array.

Parameters:

o - Input array, sorted in ascending order

v - Values to insert into o

Returns:

Array of insertion points with the same shape as v

convolve

public static PyMultiarray convolve(PyObject oA0,
                                    PyObject oB0,
                                    int mode)

Return convolution of two vectors.

Parameters:

oA0 - First vector

oB0 - Second vector

mode - Convolution mode, as an integer. 0 = 'valid'; This returns output of length max(M, N) - min(M, N) + 1. The convolution product is only given for points where the signals overlap completely. Values outside the signal boundary have no effect. 1 = 'same'; This returns output of length max(M, N). Boundary effects are still visible. 2 = 'full'; This returns the convolution at each point of overlap, with an output shape of (N+M-1,). At the end-points of the convolution, the signals do not overlap completely, and boundary effects may be seen.

Returns:

Discrete, linear convolution of oA0 and oB0

XC_padded_length

public static int XC_padded_length(int length)

Compute the padded length of a vector prior to using FFT. This is a helper routine for cross_correlate()

Parameters:

length - Length of original vector

Returns:

Length of padded vector

XC_pad_vector

public static PyMultiarray XC_pad_vector(PyMultiarray V,
                                         int padl)

Perform padding on vector, prior to using FFT. This is a helper routine for cross_correlate()

Parameters:

V - Input vector

padl - Length to pad to

Returns:

Padded vector

XC_unpad_vector

public static PyMultiarray XC_unpad_vector(PyMultiarray R,
                                           int lenA,
                                           int lenB,
                                           int mode)

Recover the result of an FFT-based correlation. This is a helper routine for cross_correlate()

Parameters:

R - Input vector

lenA - Dimensions of A

lenB - Dimensions of B

mode - Correlation mode; see PyMulitarray.convolve

Returns:

Unpadded vector

cross_correlate

public static PyMultiarray cross_correlate(PyObject oA0,
                                           PyObject oB0,
                                           int mode)

Return cross-correlation of two vectors. Cross-correlation is performed in Fourier space, since the computational complexity is Nlog(N), compared to N^2 in real space, (N=length of vectors),

Parameters:

oA0 - First vector

oB0 - Second vector

mode - Convolution mode; see PyMultiarray.convolve

Returns:

Cross-correlation of the two vectors

shapeOf

public static final int[] shapeOf(PyObject seq)

Return the shape of a Python sequence.

Parameters:

seq - Array-like

Returns:

The shape of seq

__tojava__

public java.lang.Object __tojava__(java.lang.Class<?> c)

Convert this to a java object of Class c.

Overrides:

__tojava__ in class PySequence

Parameters:

c - the Class to convert this PyObject to.

__len__

public int __len__()

Return the length of the array (along the first axis).

Overrides:

__len__ in class PyObject

Returns:

the length of the object

__getitem__

public PyObject __getitem__(int index)

Override PyObject method so that get is invoked instead of __finditem__.

Overrides:

__getitem__ in class PyObject

Parameters:

index - the key to lookup in this container.

Returns:

the value corresponding to that key.

See Also:

PyObject.__finditem__(int)

__cmp__

public int __cmp__(PyObject other)

Disable comparison of Multiarrays

Overrides:

__cmp__ in class PyObject

Parameters:

other - the object to compare this with.

Returns:

-1 if this<o; 0 if this==o; +1 if this>o; -2 if no comparison is implemented

__getitem__

public PyObject __getitem__(PyObject indices)

Return the subarray or item indicated by indices.

Overrides:

__getitem__ in class PySequence

Parameters:

indices - the key to lookup in this container.

Returns:

the value corresponding to that key.

See Also:

PyObject.__finditem__(PyObject)

__setitem__

public void __setitem__(PyObject indices,
                        PyObject pyValue)

Set the subarray based on indices to PyValue.

Overrides:

__setitem__ in class PySequence

Parameters:

indices - the key whose value will be set

pyValue - the value to set this key to

__repr__

public PyString __repr__()

Return the repr for this Multiarray.

Overrides:

__repr__ in class PyObject

__str__

public PyString __str__()

Return the str for this Multiarray.

Overrides:

__str__ in class PyObject

__findattr_ex__

public PyObject __findattr_ex__(java.lang.String name)

Multiarray attributes are found using __findattr__.

Overrides:

__findattr_ex__ in class PyObject

Returns:

The looked up value. May return null if the attribute is not found

__setattr__

public void __setattr__(java.lang.String name,
                        PyObject value)
                 throws PyException

Multiarray attributes are set using __setattr__.

Overrides:

__setattr__ in class PyObject

Parameters:

name - the name whose value will be set - must be an interned string .

value - the value to set this name to

Throws:

PyException

See Also:

PyObject.__setattr__(PyString, PyObject)

toString

public java.lang.String toString()

Return a string representation of the byte array corresponding to this array

Overrides:

toString in class PyObject

__radd__

public PyObject __radd__(PyObject po)

Description copied from class: PyObject

Equivalent to the standard Python __radd__ method.

Overrides:

__radd__ in class PyObject

Parameters:

po - the object to perform this binary operation with (the left-hand operand).

Returns:

the result of the add, or null if this operation is not defined.

__rsub__

public PyObject __rsub__(PyObject po)

Description copied from class: PyObject

Equivalent to the standard Python __rsub__ method

Overrides:

__rsub__ in class PyObject

Parameters:

po - the object to perform this binary operation with (the left-hand operand).

Returns:

the result of the sub, or null if this operation is not defined.

__rmul__

public PyObject __rmul__(PyObject po)

Description copied from class: PyObject

Equivalent to the standard Python __rmul__ method.

Overrides:

__rmul__ in class PyObject

Parameters:

po - the object to perform this binary operation with (the left-hand operand).

Returns:

the result of the mul, or null if this operation is not defined.

__rdiv__

public PyObject __rdiv__(PyObject po)

Description copied from class: PyObject

Equivalent to the standard Python __rdiv__ method

Overrides:

__rdiv__ in class PyObject

Parameters:

po - the object to perform this binary operation with (the left-hand operand).

Returns:

the result of the div, or null if this operation is not defined.

__rmod__

public PyObject __rmod__(PyObject po)

Description copied from class: PyObject

Equivalent to the standard Python __rmod__ method

Overrides:

__rmod__ in class PyObject

Parameters:

po - the object to perform this binary operation with (the left-hand operand).

Returns:

the result of the mod, or null if this operation is not defined.

__divmod__

public PyObject __divmod__(PyObject po)

Description copied from class: PyObject

Equivalent to the standard Python __divmod__ method

Overrides:

__divmod__ in class PyObject

Parameters:

po - the object to perform this binary operation with (the right-hand operand).

Returns:

the result of the divmod, or null if this operation is not defined

__rdivmod__

public PyObject __rdivmod__(PyObject po)

Description copied from class: PyObject

Equivalent to the standard Python __rdivmod__ method

Overrides:

__rdivmod__ in class PyObject

Parameters:

po - the object to perform this binary operation with (the left-hand operand).

Returns:

the result of the divmod, or null if this operation is not defined.

__add__

public PyObject __add__(PyObject o)

Description copied from class: PyObject

Equivalent to the standard Python __add__ method.

Overrides:

__add__ in class PyObject

Parameters:

o - the object to perform this binary operation with (the right-hand operand).

Returns:

the result of the add, or null if this operation is not defined.

__sub__

public PyObject __sub__(PyObject o)

Description copied from class: PyObject

Equivalent to the standard Python __sub__ method

Overrides:

__sub__ in class PyObject

Parameters:

o - the object to perform this binary operation with (the right-hand operand).

Returns:

the result of the sub, or null if this operation is not defined

__mul__

public PyObject __mul__(PyObject o)

Description copied from class: PyObject

Equivalent to the standard Python __mul__ method.

Overrides:

__mul__ in class PyObject

Parameters:

o - the object to perform this binary operation with (the right-hand operand).

Returns:

the result of the mul, or null if this operation is not defined

__div__

public PyObject __div__(PyObject o)

Description copied from class: PyObject

Equivalent to the standard Python __div__ method

Overrides:

__div__ in class PyObject

Parameters:

o - the object to perform this binary operation with (the right-hand operand).

Returns:

the result of the div, or null if this operation is not defined

__mod__

public PyObject __mod__(PyObject o)

Description copied from class: PyObject

Equivalent to the standard Python __mod__ method

Overrides:

__mod__ in class PyObject

Parameters:

o - the object to perform this binary operation with (the right-hand operand).

Returns:

the result of the mod, or null if this operation is not defined

__pow__

public PyObject __pow__(PyObject o)

Description copied from class: PyObject

Equivalent to the standard Python __pow__ method

Overrides:

__pow__ in class PyObject

Parameters:

o - the object to perform this binary operation with (the right-hand operand).

Returns:

the result of the pow, or null if this operation is not defined

myMax

public static PyObject myMax(PyObject a,
                             PyObject b)

Parameters:

a - First array

b - Second array

Returns:

Maximum values from the two arrays

myMin

public static PyObject myMin(PyObject a,
                             PyObject b)

Parameters:

a - First array

b - Second array

Returns:

Minimum values from the two arrays

__max

public PyObject __max(PyObject o)

Parameters:

o - Input array

Returns:

Maximum value from the array

__min

public PyObject __min(PyObject o)

Parameters:

o - Input array

Returns:

Minimum value from the array

__eq

public PyObject __eq(PyObject o)

Parameters:

o - Input array

Returns:

Where the two arrays are equal

__neq

public PyObject __neq(PyObject o)

Parameters:

o - Input array

Returns:

Where the two arrays are not equal

__le

public PyObject __le(PyObject o)

Parameters:

o - Input array

Returns:

Where less than or equal

__lt

public PyObject __lt(PyObject o)

Parameters:

o - Input array

Returns:

Where less than

__ge

public PyObject __ge(PyObject o)

Parameters:

o - Input array

Returns:

Where greater than or equal

__gt

public PyObject __gt(PyObject o)

Parameters:

o - Input array

Returns:

Where greater than

__land

public PyObject __land(PyObject o)

Parameters:

o - Input array

Returns:

Logical and

__lor

public PyObject __lor(PyObject o)

Parameters:

o - Input array

Returns:

Logical or

__lxor

public PyObject __lxor(PyObject o)

Parameters:

o - Input array

Returns:

Logical exclusive-or

__and__

public PyObject __and__(PyObject o)

Description copied from class: PyObject

Equivalent to the standard Python __and__ method

Overrides:

__and__ in class PyObject

Parameters:

o - the object to perform this binary operation with (the right-hand operand).

Returns:

the result of the and, or null if this operation is not defined

__or__

public PyObject __or__(PyObject o)

Description copied from class: PyObject

Equivalent to the standard Python __or__ method

Overrides:

__or__ in class PyObject

Parameters:

o - the object to perform this binary operation with (the right-hand operand).

Returns:

the result of the or, or null if this operation is not defined

__xor__

public PyObject __xor__(PyObject o)

Description copied from class: PyObject

Equivalent to the standard Python __xor__ method

Overrides:

__xor__ in class PyObject

Parameters:

o - the object to perform this binary operation with (the right-hand operand).

Returns:

the result of the xor, or null if this operation is not defined

isNumberType

public boolean isNumberType()
                     throws PyIgnoreMethodTag

Overrides:

isNumberType in class PySequence

Throws:

PyIgnoreMethodTag

__abs__

public PyObject __abs__()

Description copied from class: PyObject

Equivalent to the standard Python __abs__ method.

Overrides:

__abs__ in class PyObject

Returns:

abs(this).

__neg__

public PyObject __neg__()

Description copied from class: PyObject

Equivalent to the standard Python __neg__ method.

Overrides:

__neg__ in class PyObject

Returns:

-this.

__not__

public PyObject __not__()

Description copied from class: PyObject

Implements boolean not

Overrides:

__not__ in class PyObject

Returns:

not this.