reedsolomon

package

v1.0.0 Latest Latest Go to latest Published: Apr 27, 2022 License: Apache-2.0, MIT Imports: 3 Imported by: 0

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Repository

github.com/caiguanhao/readqr

Links

Open Source Insights

Documentation ¶

Index ¶

Variables
func GenericGF_addOrSubtract(a, b int) int
type GenericGF
- func NewGenericGF(primitive, size, b int) *GenericGF
type GenericGFPoly
- func NewGenericGFPoly(field *GenericGF, coefficients []int) (*GenericGFPoly, error)
type ReedSolomonDecoder
- func NewReedSolomonDecoder(field *GenericGF) *ReedSolomonDecoder
- func (this *ReedSolomonDecoder) Decode(received []int, twoS int) ReedSolomonException
type ReedSolomonEncoder
- func NewReedSolomonEncoder(field *GenericGF) *ReedSolomonEncoder
- func (this *ReedSolomonEncoder) Encode(toEncode []int, ecBytes int) error
type ReedSolomonException
- func NewReedSolomonException(msg string) ReedSolomonException
- func WrapReedSolomonException(err error) ReedSolomonException

Constants ¶

This section is empty.

Variables ¶

View Source

var (
	GenericGF_AZTEC_DATA_12         = NewGenericGF(0x1069, 4096, 1) // x^12 + x^6 + x^5 + x^3 + 1
	GenericGF_AZTEC_DATA_10         = NewGenericGF(0x409, 1024, 1)  // x^10 + x^3 + 1
	GenericGF_AZTEC_DATA_6          = NewGenericGF(0x43, 64, 1)     // x^6 + x + 1
	GenericGF_AZTEC_PARAM           = NewGenericGF(0x13, 16, 1)     // x^4 + x + 1
	GenericGF_QR_CODE_FIELD_256     = NewGenericGF(0x011D, 256, 0)  // x^8 + x^4 + x^3 + x^2 + 1
	GenericGF_DATA_MATRIX_FIELD_256 = NewGenericGF(0x012D, 256, 1)  // x^8 + x^5 + x^3 + x^2 + 1
	GenericGF_AZTEC_DATA_8          = GenericGF_DATA_MATRIX_FIELD_256
	GenericGF_MAXICODE_FIELD_64     = GenericGF_AZTEC_DATA_6
)

Functions ¶

func GenericGF_addOrSubtract ¶

func GenericGF_addOrSubtract(a, b int) int

Types ¶

type GenericGF ¶

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

func NewGenericGF ¶

func NewGenericGF(primitive, size, b int) *GenericGF

func (*GenericGF) BuildMonomial ¶

func (this *GenericGF) BuildMonomial(degree, coefficient int) (*GenericGFPoly, error)

func (*GenericGF) Exp ¶

func (this *GenericGF) Exp(a int) int

func (*GenericGF) GetGeneratorBase ¶

func (this *GenericGF) GetGeneratorBase() int

func (*GenericGF) GetOne ¶

func (this *GenericGF) GetOne() *GenericGFPoly

func (*GenericGF) GetSize ¶

func (this *GenericGF) GetSize() int

func (*GenericGF) GetZero ¶

func (this *GenericGF) GetZero() *GenericGFPoly

func (*GenericGF) Inverse ¶

func (this *GenericGF) Inverse(a int) (int, error)

func (*GenericGF) Log ¶

func (this *GenericGF) Log(a int) (int, error)

func (*GenericGF) Multiply ¶

func (this *GenericGF) Multiply(a, b int) int

func (*GenericGF) String ¶

func (this *GenericGF) String() string

type GenericGFPoly ¶

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

func NewGenericGFPoly ¶

func NewGenericGFPoly(field *GenericGF, coefficients []int) (*GenericGFPoly, error)

func (*GenericGFPoly) AddOrSubtract ¶

func (this *GenericGFPoly) AddOrSubtract(other *GenericGFPoly) (*GenericGFPoly, error)

func (*GenericGFPoly) Divide ¶

func (this *GenericGFPoly) Divide(other *GenericGFPoly) (quotient, remainder *GenericGFPoly, e error)

func (*GenericGFPoly) EvaluateAt ¶

func (this *GenericGFPoly) EvaluateAt(a int) int

func (*GenericGFPoly) GetCoefficient ¶

func (this *GenericGFPoly) GetCoefficient(degree int) int

func (*GenericGFPoly) GetCoefficients ¶

func (this *GenericGFPoly) GetCoefficients() []int

func (*GenericGFPoly) GetDegree ¶

func (this *GenericGFPoly) GetDegree() int

func (*GenericGFPoly) IsZero ¶

func (this *GenericGFPoly) IsZero() bool

func (*GenericGFPoly) Multiply ¶

func (this *GenericGFPoly) Multiply(other *GenericGFPoly) (*GenericGFPoly, error)

func (*GenericGFPoly) MultiplyBy ¶

func (this *GenericGFPoly) MultiplyBy(scalar int) *GenericGFPoly

func (*GenericGFPoly) MultiplyByMonomial ¶

func (this *GenericGFPoly) MultiplyByMonomial(degree, coefficient int) (*GenericGFPoly, error)

func (*GenericGFPoly) String ¶

func (this *GenericGFPoly) String() string

type ReedSolomonDecoder ¶

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

func NewReedSolomonDecoder ¶

func NewReedSolomonDecoder(field *GenericGF) *ReedSolomonDecoder

func (*ReedSolomonDecoder) Decode ¶

func (this *ReedSolomonDecoder) Decode(received []int, twoS int) ReedSolomonException

type ReedSolomonEncoder ¶

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

func NewReedSolomonEncoder ¶

func NewReedSolomonEncoder(field *GenericGF) *ReedSolomonEncoder

func (*ReedSolomonEncoder) Encode ¶

func (this *ReedSolomonEncoder) Encode(toEncode []int, ecBytes int) error

type ReedSolomonException ¶

type ReedSolomonException interface {
	error
	// contains filtered or unexported methods
}

func NewReedSolomonException ¶

func NewReedSolomonException(msg string) ReedSolomonException

func WrapReedSolomonException ¶

func WrapReedSolomonException(err error) ReedSolomonException

Source Files ¶

View all Source files

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