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v0.0.0-...-533029d Latest Latest Go to latest Published: Nov 16, 2017 License: GPL-3.0 Imports: 8 Imported by: 0

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Repository

github.com/cvley/gocaffe

Links

Open Source Insights

Documentation ¶

Constants ¶

This section is empty.

Variables ¶

View Source

var (
	// ErrInvalidShape indicates invalid shape array, i.e. a certern value is
	// less than or equal 0
	ErrInvalidShape = errors.New("invalid shape")
	// ErrExceedMaxAxes indicates exceed maximum axes error
	ErrExceedMaxAxes = errors.New("shape exceed maximum axes(32)")
)

Functions ¶

This section is empty.

Types ¶

type Blob ¶

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

Blob is the basic data container in gocaffe

func FromProto ¶

func FromProto(data *pb.BlobProto) (*Blob, error)

FromProto returns Blob reconstruct from protobuf data

func Init ¶

func Init(shape []int64, v float64) (*Blob, error)

Init returns Blob with input shape, initialise with input value and type

func New ¶

func New(shape []int64) (*Blob, error)

New returns Blob from input shape

func (*Blob) Add ¶

func (b *Blob) Add(other *Blob) error

Add will add the data by a input blob

func (*Blob) AxesNum ¶

func (b *Blob) AxesNum() int

AxesNum returns the length of blob shape

func (*Blob) Capacity ¶

func (b *Blob) Capacity() int64

Capacity returns the capacity of blob

func (*Blob) Channels ¶

func (b *Blob) Channels() int64

Channels returns channels of legacy shape

func (*Blob) Copy ¶

func (b *Blob) Copy() *Blob

Copy returns a new blob with the same shape and data

func (*Blob) DataString ¶

func (b *Blob) DataString() string

func (*Blob) Dot ¶

func (b *Blob) Dot(other *Blob) (*Blob, error)

Dot performs element-wise multiply data by a input blob

func (*Blob) Exp ¶

func (b *Blob) Exp()

Exp perform element-wise Exp function

func (*Blob) Get ¶

func (b *Blob) Get(index []int) float64

Get returns the value in the input index based on the type

func (*Blob) GetCol ¶

func (b *Blob) GetCol(index []int, x int) (*Blob, error)

GetCol returns a blob of shape 1x1x1xheight, used for MMul

func (*Blob) GetRow ¶

func (b *Blob) GetRow(index []int, x int) (*Blob, error)

GetRow returns a blob of shape 1x1x1xwidth, used for MMul

func (*Blob) GetTop ¶

func (b *Blob) GetTop(num int) []Value

GetTop returns tops number indexes and probs

func (*Blob) Height ¶

func (b *Blob) Height() int64

Height returns height of legacy shape

func (*Blob) L1Norm ¶

func (b *Blob) L1Norm() float64

L1Norm compute the sum of absolute values (L1 norm) of the data

func (*Blob) L2Norm ¶

func (b *Blob) L2Norm() float64

L2Norm compute the sum of squares (L2 norm squared) of the data

func (*Blob) LegacyShape ¶

func (b *Blob) LegacyShape(index int) int64

LegacyShape return index shape in the legacy

func (*Blob) MMul ¶

func (b *Blob) MMul(x *Blob) (*Blob, error)

MMul performs matrix multiply

func (*Blob) Mul ¶

func (b *Blob) Mul(other *Blob) (float64, error)

Mul perform matrix multiply data by a input blob

func (*Blob) Num ¶

func (b *Blob) Num() int64

Num returns number of legacy shape

func (*Blob) Offset ¶

func (b *Blob) Offset(indices []int) int

Offset returns data offset of input indices

func (*Blob) Powx ¶

func (b *Blob) Powx(x float64)

Powx perform element-wise powx of the blob

func (*Blob) Range ¶

func (b *Blob) Range(indices1, indices2 []int) (*Blob, error)

Range returns a new Blob between two input indices, currently used for convolution

func (*Blob) Reshape ¶

func (b *Blob) Reshape(index []int64) (*Blob, error)

Reshape returns a blob of new shape

func (*Blob) Scale ¶

func (b *Blob) Scale(scale float64)

Scale scale the blob data by a constant factor

func (*Blob) Set ¶

func (b *Blob) Set(index []int, value float64)

Set will set value in the index with input type

func (*Blob) SetNumChannel ¶

func (b *Blob) SetNumChannel(index0, index1 int, other *Blob) error

func (*Blob) Shape ¶

func (b *Blob) Shape() []int64

Shape returns the shape of the blob

func (*Blob) ShapeEquals ¶

func (b *Blob) ShapeEquals(other *Blob) bool

ShapeEquals returns whether two blob have the same shape

func (*Blob) ShapeOfIndex ¶

func (b *Blob) ShapeOfIndex(index int) int64

ShapeOfIndex returns the shape in the input index

func (*Blob) Shift ¶

func (b *Blob) Shift(shift float64)

Shift will shift the blob data by the input value

func (*Blob) String ¶

func (b *Blob) String() string

Strings returns blob shape and capacity in string format

func (*Blob) Sub ¶

func (b *Blob) Sub(other *Blob) *Blob

func (*Blob) ToProto ¶

func (b *Blob) ToProto() ([]byte, error)

ToProto return protobuf binary data of Blob

func (*Blob) Trans ¶

func (b *Blob) Trans() *Blob

Trans perform transpose of matrix

func (*Blob) Width ¶

func (b *Blob) Width() int64

Width returns width of legacy shape

type SortValue ¶

type SortValue []Value

func (SortValue) Len ¶

func (v SortValue) Len() int

func (SortValue) Less ¶

func (v SortValue) Less(i, j int) bool

func (SortValue) Swap ¶

func (v SortValue) Swap(i, j int)

type Value ¶

type Value struct {
	Index int
	Probs float64
}

Source Files ¶

View all Source files

blob.go

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