Help us shape the future of Go! Take the 2026 Go Developer Survey

tensor

package
v18.7.0 Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Jul 19, 2026 License: Apache-2.0, BSD-3-Clause Imports: 4 Imported by: 1

Documentation

Overview

Package tensor provides types that implement n-dimensional arrays.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Date32 

type Date32 struct {
	// contains filtered or unexported fields
}

Date32 is an n-dim array of date32s.

func NewDate32 

func NewDate32(data arrow.ArrayData, shape, strides []int64, names []string) *Date32

NewDate32 returns a new n-dimensional array of date32s. If strides is nil, row-major strides will be inferred. If names is nil, a slice of empty strings will be created.

func (*Date32) Data 

func (tb *Date32) Data() arrow.ArrayData

func (*Date32) DataType 

func (tb *Date32) DataType() arrow.DataType

func (*Date32) Date32Values 

func (tsr *Date32) Date32Values() []arrow.Date32

func (*Date32) DimName 

func (tb *Date32) DimName(i int) string

func (*Date32) DimNames 

func (tb *Date32) DimNames() []string

func (*Date32) IsColMajor 

func (tb *Date32) IsColMajor() bool

func (*Date32) IsContiguous 

func (tb *Date32) IsContiguous() bool

func (*Date32) IsMutable 

func (tb *Date32) IsMutable() bool

IsMutable returns whether the underlying data buffer is mutable.

func (*Date32) IsRowMajor 

func (tb *Date32) IsRowMajor() bool

func (*Date32) Len 

func (tb *Date32) Len() int

func (*Date32) NumDims 

func (tb *Date32) NumDims() int

func (*Date32) Release 

func (tb *Date32) Release()

Release decreases the reference count by 1. Release may be called simultaneously from multiple goroutines. When the reference count goes to zero, the memory is freed.

func (*Date32) Retain 

func (tb *Date32) Retain()

Retain increases the reference count by 1. Retain may be called simultaneously from multiple goroutines.

func (*Date32) Shape 

func (tb *Date32) Shape() []int64

func (*Date32) Strides 

func (tb *Date32) Strides() []int64

func (*Date32) Value 

func (tsr *Date32) Value(i []int64) arrow.Date32

type Date64 

type Date64 struct {
	// contains filtered or unexported fields
}

Date64 is an n-dim array of date64s.

func NewDate64 

func NewDate64(data arrow.ArrayData, shape, strides []int64, names []string) *Date64

NewDate64 returns a new n-dimensional array of date64s. If strides is nil, row-major strides will be inferred. If names is nil, a slice of empty strings will be created.

func (*Date64) Data 

func (tb *Date64) Data() arrow.ArrayData

func (*Date64) DataType 

func (tb *Date64) DataType() arrow.DataType

func (*Date64) Date64Values 

func (tsr *Date64) Date64Values() []arrow.Date64

func (*Date64) DimName 

func (tb *Date64) DimName(i int) string

func (*Date64) DimNames 

func (tb *Date64) DimNames() []string

func (*Date64) IsColMajor 

func (tb *Date64) IsColMajor() bool

func (*Date64) IsContiguous 

func (tb *Date64) IsContiguous() bool

func (*Date64) IsMutable 

func (tb *Date64) IsMutable() bool

IsMutable returns whether the underlying data buffer is mutable.

func (*Date64) IsRowMajor 

func (tb *Date64) IsRowMajor() bool

func (*Date64) Len 

func (tb *Date64) Len() int

func (*Date64) NumDims 

func (tb *Date64) NumDims() int

func (*Date64) Release 

func (tb *Date64) Release()

Release decreases the reference count by 1. Release may be called simultaneously from multiple goroutines. When the reference count goes to zero, the memory is freed.

func (*Date64) Retain 

func (tb *Date64) Retain()

Retain increases the reference count by 1. Retain may be called simultaneously from multiple goroutines.

func (*Date64) Shape 

func (tb *Date64) Shape() []int64

func (*Date64) Strides 

func (tb *Date64) Strides() []int64

func (*Date64) Value 

func (tsr *Date64) Value(i []int64) arrow.Date64

type Float32 

type Float32 struct {
	// contains filtered or unexported fields
}

Float32 is an n-dim array of float32s.

func NewFloat32 

func NewFloat32(data arrow.ArrayData, shape, strides []int64, names []string) *Float32

NewFloat32 returns a new n-dimensional array of float32s. If strides is nil, row-major strides will be inferred. If names is nil, a slice of empty strings will be created.

func (*Float32) Data 

func (tb *Float32) Data() arrow.ArrayData

func (*Float32) DataType 

func (tb *Float32) DataType() arrow.DataType

func (*Float32) DimName 

func (tb *Float32) DimName(i int) string

func (*Float32) DimNames 

func (tb *Float32) DimNames() []string

func (*Float32) Float32Values 

func (tsr *Float32) Float32Values() []float32

func (*Float32) IsColMajor 

func (tb *Float32) IsColMajor() bool

func (*Float32) IsContiguous 

func (tb *Float32) IsContiguous() bool

func (*Float32) IsMutable 

func (tb *Float32) IsMutable() bool

IsMutable returns whether the underlying data buffer is mutable.

func (*Float32) IsRowMajor 

func (tb *Float32) IsRowMajor() bool

func (*Float32) Len 

func (tb *Float32) Len() int

func (*Float32) NumDims 

func (tb *Float32) NumDims() int

func (*Float32) Release 

func (tb *Float32) Release()

Release decreases the reference count by 1. Release may be called simultaneously from multiple goroutines. When the reference count goes to zero, the memory is freed.

func (*Float32) Retain 

func (tb *Float32) Retain()

Retain increases the reference count by 1. Retain may be called simultaneously from multiple goroutines.

func (*Float32) Shape 

func (tb *Float32) Shape() []int64

func (*Float32) Strides 

func (tb *Float32) Strides() []int64

func (*Float32) Value 

func (tsr *Float32) Value(i []int64) float32

type Float64 

type Float64 struct {
	// contains filtered or unexported fields
}

Float64 is an n-dim array of float64s.

func NewFloat64 

func NewFloat64(data arrow.ArrayData, shape, strides []int64, names []string) *Float64

NewFloat64 returns a new n-dimensional array of float64s. If strides is nil, row-major strides will be inferred. If names is nil, a slice of empty strings will be created.

func (*Float64) Data 

func (tb *Float64) Data() arrow.ArrayData

func (*Float64) DataType 

func (tb *Float64) DataType() arrow.DataType

func (*Float64) DimName 

func (tb *Float64) DimName(i int) string

func (*Float64) DimNames 

func (tb *Float64) DimNames() []string

func (*Float64) Float64Values 

func (tsr *Float64) Float64Values() []float64

func (*Float64) IsColMajor 

func (tb *Float64) IsColMajor() bool

func (*Float64) IsContiguous 

func (tb *Float64) IsContiguous() bool

func (*Float64) IsMutable 

func (tb *Float64) IsMutable() bool

IsMutable returns whether the underlying data buffer is mutable.

func (*Float64) IsRowMajor 

func (tb *Float64) IsRowMajor() bool

func (*Float64) Len 

func (tb *Float64) Len() int

func (*Float64) NumDims 

func (tb *Float64) NumDims() int

func (*Float64) Release 

func (tb *Float64) Release()

Release decreases the reference count by 1. Release may be called simultaneously from multiple goroutines. When the reference count goes to zero, the memory is freed.

func (*Float64) Retain 

func (tb *Float64) Retain()

Retain increases the reference count by 1. Retain may be called simultaneously from multiple goroutines.

func (*Float64) Shape 

func (tb *Float64) Shape() []int64

func (*Float64) Strides 

func (tb *Float64) Strides() []int64

func (*Float64) Value 

func (tsr *Float64) Value(i []int64) float64

type Int8 

type Int8 struct {
	// contains filtered or unexported fields
}

Int8 is an n-dim array of int8s.

func NewInt8 

func NewInt8(data arrow.ArrayData, shape, strides []int64, names []string) *Int8

NewInt8 returns a new n-dimensional array of int8s. If strides is nil, row-major strides will be inferred. If names is nil, a slice of empty strings will be created.

func (*Int8) Data 

func (tb *Int8) Data() arrow.ArrayData

func (*Int8) DataType 

func (tb *Int8) DataType() arrow.DataType

func (*Int8) DimName 

func (tb *Int8) DimName(i int) string

func (*Int8) DimNames 

func (tb *Int8) DimNames() []string

func (*Int8) Int8Values 

func (tsr *Int8) Int8Values() []int8

func (*Int8) IsColMajor 

func (tb *Int8) IsColMajor() bool

func (*Int8) IsContiguous 

func (tb *Int8) IsContiguous() bool

func (*Int8) IsMutable 

func (tb *Int8) IsMutable() bool

IsMutable returns whether the underlying data buffer is mutable.

func (*Int8) IsRowMajor 

func (tb *Int8) IsRowMajor() bool

func (*Int8) Len 

func (tb *Int8) Len() int

func (*Int8) NumDims 

func (tb *Int8) NumDims() int

func (*Int8) Release 

func (tb *Int8) Release()

Release decreases the reference count by 1. Release may be called simultaneously from multiple goroutines. When the reference count goes to zero, the memory is freed.

func (*Int8) Retain 

func (tb *Int8) Retain()

Retain increases the reference count by 1. Retain may be called simultaneously from multiple goroutines.

func (*Int8) Shape 

func (tb *Int8) Shape() []int64

func (*Int8) Strides 

func (tb *Int8) Strides() []int64

func (*Int8) Value 

func (tsr *Int8) Value(i []int64) int8

type Int16 

type Int16 struct {
	// contains filtered or unexported fields
}

Int16 is an n-dim array of int16s.

func NewInt16 

func NewInt16(data arrow.ArrayData, shape, strides []int64, names []string) *Int16

NewInt16 returns a new n-dimensional array of int16s. If strides is nil, row-major strides will be inferred. If names is nil, a slice of empty strings will be created.

func (*Int16) Data 

func (tb *Int16) Data() arrow.ArrayData

func (*Int16) DataType 

func (tb *Int16) DataType() arrow.DataType

func (*Int16) DimName 

func (tb *Int16) DimName(i int) string

func (*Int16) DimNames 

func (tb *Int16) DimNames() []string

func (*Int16) Int16Values 

func (tsr *Int16) Int16Values() []int16

func (*Int16) IsColMajor 

func (tb *Int16) IsColMajor() bool

func (*Int16) IsContiguous 

func (tb *Int16) IsContiguous() bool

func (*Int16) IsMutable 

func (tb *Int16) IsMutable() bool

IsMutable returns whether the underlying data buffer is mutable.

func (*Int16) IsRowMajor 

func (tb *Int16) IsRowMajor() bool

func (*Int16) Len 

func (tb *Int16) Len() int

func (*Int16) NumDims 

func (tb *Int16) NumDims() int

func (*Int16) Release 

func (tb *Int16) Release()

Release decreases the reference count by 1. Release may be called simultaneously from multiple goroutines. When the reference count goes to zero, the memory is freed.

func (*Int16) Retain 

func (tb *Int16) Retain()

Retain increases the reference count by 1. Retain may be called simultaneously from multiple goroutines.

func (*Int16) Shape 

func (tb *Int16) Shape() []int64

func (*Int16) Strides 

func (tb *Int16) Strides() []int64

func (*Int16) Value 

func (tsr *Int16) Value(i []int64) int16

type Int32 

type Int32 struct {
	// contains filtered or unexported fields
}

Int32 is an n-dim array of int32s.

func NewInt32 

func NewInt32(data arrow.ArrayData, shape, strides []int64, names []string) *Int32

NewInt32 returns a new n-dimensional array of int32s. If strides is nil, row-major strides will be inferred. If names is nil, a slice of empty strings will be created.

func (*Int32) Data 

func (tb *Int32) Data() arrow.ArrayData

func (*Int32) DataType 

func (tb *Int32) DataType() arrow.DataType

func (*Int32) DimName 

func (tb *Int32) DimName(i int) string

func (*Int32) DimNames 

func (tb *Int32) DimNames() []string

func (*Int32) Int32Values 

func (tsr *Int32) Int32Values() []int32

func (*Int32) IsColMajor 

func (tb *Int32) IsColMajor() bool

func (*Int32) IsContiguous 

func (tb *Int32) IsContiguous() bool

func (*Int32) IsMutable 

func (tb *Int32) IsMutable() bool

IsMutable returns whether the underlying data buffer is mutable.

func (*Int32) IsRowMajor 

func (tb *Int32) IsRowMajor() bool

func (*Int32) Len 

func (tb *Int32) Len() int

func (*Int32) NumDims 

func (tb *Int32) NumDims() int

func (*Int32) Release 

func (tb *Int32) Release()

Release decreases the reference count by 1. Release may be called simultaneously from multiple goroutines. When the reference count goes to zero, the memory is freed.

func (*Int32) Retain 

func (tb *Int32) Retain()

Retain increases the reference count by 1. Retain may be called simultaneously from multiple goroutines.

func (*Int32) Shape 

func (tb *Int32) Shape() []int64

func (*Int32) Strides 

func (tb *Int32) Strides() []int64

func (*Int32) Value 

func (tsr *Int32) Value(i []int64) int32

type Int64 

type Int64 struct {
	// contains filtered or unexported fields
}

Int64 is an n-dim array of int64s.

func NewInt64 

func NewInt64(data arrow.ArrayData, shape, strides []int64, names []string) *Int64

NewInt64 returns a new n-dimensional array of int64s. If strides is nil, row-major strides will be inferred. If names is nil, a slice of empty strings will be created.

func (*Int64) Data 

func (tb *Int64) Data() arrow.ArrayData

func (*Int64) DataType 

func (tb *Int64) DataType() arrow.DataType

func (*Int64) DimName 

func (tb *Int64) DimName(i int) string

func (*Int64) DimNames 

func (tb *Int64) DimNames() []string

func (*Int64) Int64Values 

func (tsr *Int64) Int64Values() []int64

func (*Int64) IsColMajor 

func (tb *Int64) IsColMajor() bool

func (*Int64) IsContiguous 

func (tb *Int64) IsContiguous() bool

func (*Int64) IsMutable 

func (tb *Int64) IsMutable() bool

IsMutable returns whether the underlying data buffer is mutable.

func (*Int64) IsRowMajor 

func (tb *Int64) IsRowMajor() bool

func (*Int64) Len 

func (tb *Int64) Len() int

func (*Int64) NumDims 

func (tb *Int64) NumDims() int

func (*Int64) Release 

func (tb *Int64) Release()

Release decreases the reference count by 1. Release may be called simultaneously from multiple goroutines. When the reference count goes to zero, the memory is freed.

func (*Int64) Retain 

func (tb *Int64) Retain()

Retain increases the reference count by 1. Retain may be called simultaneously from multiple goroutines.

func (*Int64) Shape 

func (tb *Int64) Shape() []int64

func (*Int64) Strides 

func (tb *Int64) Strides() []int64

func (*Int64) Value 

func (tsr *Int64) Value(i []int64) int64

type Interface 

type Interface interface {
	// Retain increases the reference count by 1.
	// Retain may be called simultaneously from multiple goroutines.
	Retain()

	// Release decreases the reference count by 1.
	// Release may be called simultaneously from multiple goroutines.
	// When the reference count goes to zero, the memory is freed.
	Release()

	// Len returns the number of elements in the tensor.
	Len() int

	// Shape returns the size - in each dimension - of the tensor.
	Shape() []int64

	// Strides returns the number of bytes to step in each dimension when traversing the tensor.
	Strides() []int64

	// NumDims returns the number of dimensions of the tensor.
	NumDims() int

	// DimName returns the name of the i-th dimension.
	DimName(i int) string

	// DimNames returns the names for all dimensions
	DimNames() []string

	DataType() arrow.DataType
	Data() arrow.ArrayData

	// IsMutable returns whether the underlying data buffer is mutable.
	IsMutable() bool
	IsContiguous() bool
	IsRowMajor() bool
	IsColMajor() bool
}

Interface represents an n-dimensional array of numerical data.

func New 

func New(data arrow.ArrayData, shape, strides []int64, names []string) Interface

New returns a new n-dim array from the provided backing data and the shape and strides. If strides is nil, row-major strides will be inferred. If names is nil, a slice of empty strings will be created.

New panics if the backing data is not a numerical type.

type Uint8 

type Uint8 struct {
	// contains filtered or unexported fields
}

Uint8 is an n-dim array of uint8s.

func NewUint8 

func NewUint8(data arrow.ArrayData, shape, strides []int64, names []string) *Uint8

NewUint8 returns a new n-dimensional array of uint8s. If strides is nil, row-major strides will be inferred. If names is nil, a slice of empty strings will be created.

func (*Uint8) Data 

func (tb *Uint8) Data() arrow.ArrayData

func (*Uint8) DataType 

func (tb *Uint8) DataType() arrow.DataType

func (*Uint8) DimName 

func (tb *Uint8) DimName(i int) string

func (*Uint8) DimNames 

func (tb *Uint8) DimNames() []string

func (*Uint8) IsColMajor 

func (tb *Uint8) IsColMajor() bool

func (*Uint8) IsContiguous 

func (tb *Uint8) IsContiguous() bool

func (*Uint8) IsMutable 

func (tb *Uint8) IsMutable() bool

IsMutable returns whether the underlying data buffer is mutable.

func (*Uint8) IsRowMajor 

func (tb *Uint8) IsRowMajor() bool

func (*Uint8) Len 

func (tb *Uint8) Len() int

func (*Uint8) NumDims 

func (tb *Uint8) NumDims() int

func (*Uint8) Release 

func (tb *Uint8) Release()

Release decreases the reference count by 1. Release may be called simultaneously from multiple goroutines. When the reference count goes to zero, the memory is freed.

func (*Uint8) Retain 

func (tb *Uint8) Retain()

Retain increases the reference count by 1. Retain may be called simultaneously from multiple goroutines.

func (*Uint8) Shape 

func (tb *Uint8) Shape() []int64

func (*Uint8) Strides 

func (tb *Uint8) Strides() []int64

func (*Uint8) Uint8Values 

func (tsr *Uint8) Uint8Values() []uint8

func (*Uint8) Value 

func (tsr *Uint8) Value(i []int64) uint8

type Uint16 

type Uint16 struct {
	// contains filtered or unexported fields
}

Uint16 is an n-dim array of uint16s.

func NewUint16 

func NewUint16(data arrow.ArrayData, shape, strides []int64, names []string) *Uint16

NewUint16 returns a new n-dimensional array of uint16s. If strides is nil, row-major strides will be inferred. If names is nil, a slice of empty strings will be created.

func (*Uint16) Data 

func (tb *Uint16) Data() arrow.ArrayData

func (*Uint16) DataType 

func (tb *Uint16) DataType() arrow.DataType

func (*Uint16) DimName 

func (tb *Uint16) DimName(i int) string

func (*Uint16) DimNames 

func (tb *Uint16) DimNames() []string

func (*Uint16) IsColMajor 

func (tb *Uint16) IsColMajor() bool

func (*Uint16) IsContiguous 

func (tb *Uint16) IsContiguous() bool

func (*Uint16) IsMutable 

func (tb *Uint16) IsMutable() bool

IsMutable returns whether the underlying data buffer is mutable.

func (*Uint16) IsRowMajor 

func (tb *Uint16) IsRowMajor() bool

func (*Uint16) Len 

func (tb *Uint16) Len() int

func (*Uint16) NumDims 

func (tb *Uint16) NumDims() int

func (*Uint16) Release 

func (tb *Uint16) Release()

Release decreases the reference count by 1. Release may be called simultaneously from multiple goroutines. When the reference count goes to zero, the memory is freed.

func (*Uint16) Retain 

func (tb *Uint16) Retain()

Retain increases the reference count by 1. Retain may be called simultaneously from multiple goroutines.

func (*Uint16) Shape 

func (tb *Uint16) Shape() []int64

func (*Uint16) Strides 

func (tb *Uint16) Strides() []int64

func (*Uint16) Uint16Values 

func (tsr *Uint16) Uint16Values() []uint16

func (*Uint16) Value 

func (tsr *Uint16) Value(i []int64) uint16

type Uint32 

type Uint32 struct {
	// contains filtered or unexported fields
}

Uint32 is an n-dim array of uint32s.

func NewUint32 

func NewUint32(data arrow.ArrayData, shape, strides []int64, names []string) *Uint32

NewUint32 returns a new n-dimensional array of uint32s. If strides is nil, row-major strides will be inferred. If names is nil, a slice of empty strings will be created.

func (*Uint32) Data 

func (tb *Uint32) Data() arrow.ArrayData

func (*Uint32) DataType 

func (tb *Uint32) DataType() arrow.DataType

func (*Uint32) DimName 

func (tb *Uint32) DimName(i int) string

func (*Uint32) DimNames 

func (tb *Uint32) DimNames() []string

func (*Uint32) IsColMajor 

func (tb *Uint32) IsColMajor() bool

func (*Uint32) IsContiguous 

func (tb *Uint32) IsContiguous() bool

func (*Uint32) IsMutable 

func (tb *Uint32) IsMutable() bool

IsMutable returns whether the underlying data buffer is mutable.

func (*Uint32) IsRowMajor 

func (tb *Uint32) IsRowMajor() bool

func (*Uint32) Len 

func (tb *Uint32) Len() int

func (*Uint32) NumDims 

func (tb *Uint32) NumDims() int

func (*Uint32) Release 

func (tb *Uint32) Release()

Release decreases the reference count by 1. Release may be called simultaneously from multiple goroutines. When the reference count goes to zero, the memory is freed.

func (*Uint32) Retain 

func (tb *Uint32) Retain()

Retain increases the reference count by 1. Retain may be called simultaneously from multiple goroutines.

func (*Uint32) Shape 

func (tb *Uint32) Shape() []int64

func (*Uint32) Strides 

func (tb *Uint32) Strides() []int64

func (*Uint32) Uint32Values 

func (tsr *Uint32) Uint32Values() []uint32

func (*Uint32) Value 

func (tsr *Uint32) Value(i []int64) uint32

type Uint64 

type Uint64 struct {
	// contains filtered or unexported fields
}

Uint64 is an n-dim array of uint64s.

func NewUint64 

func NewUint64(data arrow.ArrayData, shape, strides []int64, names []string) *Uint64

NewUint64 returns a new n-dimensional array of uint64s. If strides is nil, row-major strides will be inferred. If names is nil, a slice of empty strings will be created.

func (*Uint64) Data 

func (tb *Uint64) Data() arrow.ArrayData

func (*Uint64) DataType 

func (tb *Uint64) DataType() arrow.DataType

func (*Uint64) DimName 

func (tb *Uint64) DimName(i int) string

func (*Uint64) DimNames 

func (tb *Uint64) DimNames() []string

func (*Uint64) IsColMajor 

func (tb *Uint64) IsColMajor() bool

func (*Uint64) IsContiguous 

func (tb *Uint64) IsContiguous() bool

func (*Uint64) IsMutable 

func (tb *Uint64) IsMutable() bool

IsMutable returns whether the underlying data buffer is mutable.

func (*Uint64) IsRowMajor 

func (tb *Uint64) IsRowMajor() bool

func (*Uint64) Len 

func (tb *Uint64) Len() int

func (*Uint64) NumDims 

func (tb *Uint64) NumDims() int

func (*Uint64) Release 

func (tb *Uint64) Release()

Release decreases the reference count by 1. Release may be called simultaneously from multiple goroutines. When the reference count goes to zero, the memory is freed.

func (*Uint64) Retain 

func (tb *Uint64) Retain()

Retain increases the reference count by 1. Retain may be called simultaneously from multiple goroutines.

func (*Uint64) Shape 

func (tb *Uint64) Shape() []int64

func (*Uint64) Strides 

func (tb *Uint64) Strides() []int64

func (*Uint64) Uint64Values 

func (tsr *Uint64) Uint64Values() []uint64

func (*Uint64) Value 

func (tsr *Uint64) Value(i []int64) uint64

Source Files

View all Source files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.