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arrayfire.library module — ArrayFire Python documentation

arrayfire.library module

Module containing enums and other constants.

class arrayfire.library.BACKEND(value)[source]

Bases: enum.Enum

Backend libraries

CPU = 1
CUDA = 2
DEFAULT = 0
OPENCL = 4
class arrayfire.library.BINARYOP(value)[source]

Bases: enum.Enum

Binary Operators

ADD = 0
MAX = 3
MIN = 2
MUL = 1
class arrayfire.library.CANNY_THRESHOLD(value)[source]

Bases: enum.Enum

Canny Edge Threshold types

AUTO_OTSU = 1
MANUAL = 0
class arrayfire.library.COLORMAP(value)[source]

Bases: enum.Enum

Colormaps

BLUE = 6
COLORS = 2
DEFAULT = 0
HEAT = 5
MOOD = 4
RED = 3
SPECTRUM = 1
class arrayfire.library.CONNECTIVITY(value)[source]

Bases: enum.Enum

Neighborhood connectivity

EIGHT = 8
FOUR = 4
class arrayfire.library.CONV_DOMAIN(value)[source]

Bases: enum.Enum

Convolution domain

AUTO = 0
FREQ = 2
SPATIAL = 1
class arrayfire.library.CONV_GRADIENT(value)[source]

Bases: enum.Enum

Convolution gradient type

BIAS = 3
DATA = 2
DEFAULT = 0
FILTER = 1
class arrayfire.library.CONV_MODE(value)[source]

Bases: enum.Enum

Convolution mode

DEFAULT = 0
EXPAND = 1
class arrayfire.library.CSPACE(value)[source]

Bases: enum.Enum

Colorspace formats

GRAY = 0
HSV = 2
RGB = 1
YCbCr = 3
class arrayfire.library.DIFFUSION(value)[source]

Bases: enum.Enum

Diffusion equations

DEFAULT = 0
GRAD = 1
MCDE = 2
class arrayfire.library.Dtype(value)[source]

Bases: enum.Enum

Error values. For internal use only.

b8 = 4
c32 = 1
c64 = 3
f16 = 12
f32 = 0
f64 = 2
s16 = 10
s32 = 5
s64 = 8
u16 = 11
u32 = 6
u64 = 9
u8 = 7
class arrayfire.library.ERR(value)[source]

Bases: enum.Enum

Error values. For internal use only.

ARG = 202
ARR_BKND_MISMATCH = 503
BATCH = 207
DEVICE = 208
DIFF_TYPE = 205
DRIVER = 102
INTERNAL = 998
INVALID_ARRAY = 201
LOAD_LIB = 501
LOAD_SYM = 502
NONE = 0
NONFREE = 303
NOT_CONFIGURED = 302
NOT_SUPPORTED = 301
NO_DBL = 401
NO_GFX = 402
NO_HALF = 403
NO_MEM = 101
RUNTIME = 103
SIZE = 203
TYPE = 204
UNKNOWN = 999
class arrayfire.library.FLUX(value)[source]

Bases: enum.Enum

Flux functions

DEFAULT = 0
EXPONENTIAL = 2
QUADRATIC = 1
class arrayfire.library.HOMOGRAPHY(value)[source]

Bases: enum.Enum

Homography Types

LMEDS = 1
RANSAC = 0
class arrayfire.library.IMAGE_FORMAT(value)[source]

Bases: enum.Enum

Image Formats

BMP = 0
EXR = 29
HDR = 26
ICO = 1
JNG = 3
JP2 = 31
JPEG = 2
PNG = 13
PPM = 14
PPMRAW = 15
PSD = 20
RAW = 34
TIFF = 18
class arrayfire.library.INTERP(value)[source]

Bases: enum.Enum

Interpolation method

BICUBIC = 7
BICUBIC_SPLINE = 9
BILINEAR = 2
BILINEAR_COSINE = 6
CUBIC = 3
CUBIC_SPLINE = 8
LINEAR = 1
LINEAR_COSINE = 5
LOWER = 4
NEAREST = 0
class arrayfire.library.INVERSE_DECONV(value)[source]

Bases: enum.Enum

Inverse deconvolution algorithm

DEFAULT = 0
TIKHONOV = 1
class arrayfire.library.ITERATIVE_DECONV(value)[source]

Bases: enum.Enum

Iterative deconvolution algorithm

DEFAULT = 0
LANDWEBER = 1
RICHARDSONLUCY = 2
class arrayfire.library.MARKER(value)[source]

Bases: enum.Enum

Markers used for different points in graphics plots

CIRCLE = 2
CROSS = 5
NONE = 0
PLUS = 6
POINT = 1
SQUARE = 3
STAR = 7
TRIANGE = 4
class arrayfire.library.MATCH(value)[source]

Bases: enum.Enum

Match type

LSAD = 2

Sum of squared differences

LSSD = 5

Normalized cross correlation

NCC = 6

Zero mean NCC

SAD = 0

Zero mean SAD

SHD = 8
SSD = 3

Zero mean SSD

ZNCC = 7

Sum of hamming distances

ZSAD = 1

Locally scaled SAD

ZSSD = 4

Locally scaled SSD

class arrayfire.library.MATPROP(value)[source]

Bases: enum.Enum

Matrix properties

BLOCK_DIAG = 8192
CTRANS = 2

Upper triangular matrix.

DIAG_UNIT = 128

Symmetric matrix.

LOWER = 64

Treat diagonal as units.

NONE = 0

Transposed.

ORTHOG = 2048

Tri diagonal matrix.

POSDEF = 1024

Orthogonal matrix.

SYM = 512

Positive definite matrix.

TRANS = 1

Conjugate transposed.

TRI_DIAG = 4096

Block diagonal matrix.

UPPER = 32

Lower triangular matrix.

class arrayfire.library.MOMENT(value)[source]

Bases: enum.Enum

Image Moments types

FIRST_ORDER = 15
M00 = 1
M01 = 2
M10 = 4
M11 = 8
class arrayfire.library.NORM(value)[source]

Bases: enum.Enum

Norm types

EUCLID = 2
MATRIX_1 = 4
MATRIX_2 = 6
MATRIX_INF = 5
MATRIX_L_PQ = 7
VECTOR_1 = 0
VECTOR_2 = 2
VECTOR_INF = 1
VECTOR_P = 3
class arrayfire.library.PAD(value)[source]

Bases: enum.Enum

Edge padding types

CLAMP_TO_EDGE = 2
PERIODIC = 3
SYM = 1
ZERO = 0
class arrayfire.library.RANDOM_ENGINE(value)[source]

Bases: enum.Enum

Random engine types

DEFAULT = 100
MERSENNE_GP11213 = 300
PHILOX = 100
PHILOX_4X32_10 = 100
THREEFRY = 200
THREEFRY_2X32_16 = 200
class arrayfire.library.STORAGE(value)[source]

Bases: enum.Enum

Matrix Storage types

COO = 3
CSC = 2
CSR = 1
DENSE = 0
class arrayfire.library.Source(value)[source]

Bases: enum.Enum

Source of the pointer

device = 0
host = 1
class arrayfire.library.TOPK(value)[source]

Bases: enum.Enum

Top-K ordering

DEFAULT = 0
MAX = 2
MIN = 1
class arrayfire.library.VARIANCE(value)[source]

Bases: enum.Enum

Variance bias type

DEFAULT = 0
POPULATION = 2
SAMPLE = 1
class arrayfire.library.YCC_STD(value)[source]

Bases: enum.Enum

YCC Standard formats

BT_2020 = 2020
BT_601 = 601
BT_709 = 709
class arrayfire.library.af_cdouble_t[source]

Bases: _ctypes.Structure

Attributes
imag

Structure/Union member

real

Structure/Union member

imag

Structure/Union member

real

Structure/Union member

class arrayfire.library.af_cfloat_t[source]

Bases: _ctypes.Structure

Attributes
imag

Structure/Union member

real

Structure/Union member

imag

Structure/Union member

real

Structure/Union member

arrayfire.library.get_active_backend()[source]

Get the current active backend

namestr.

Backend name

arrayfire.library.get_available_backends()[source]

Get names of available backends

Returns
namestuple of strings

Names of available backends

arrayfire.library.get_backend()[source]

Return the name of the backend

arrayfire.library.get_backend_count()[source]

Get number of available backends

Returns
countint

Number of available backends

arrayfire.library.get_backend_id(A)[source]

Get backend name of an array

Parameters
Aaf.Array
Returns
namestr.

Backend name

arrayfire.library.get_device_id(A)[source]

Get the device id of the array

Parameters
Aaf.Array
Returns
devInteger

id of the device array was created on

arrayfire.library.get_size_of(dtype)[source]

Get the size of the type represented by arrayfire.Dtype

arrayfire.library.set_backend(name, unsafe=False)[source]

Set a specific backend by name

Parameters
namestr.
unsafeoptional: bool. Default: False.

If False, does not switch backend if current backend is not unified backend.

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