bigint

Documentation

Index

• Variables
• func BaseXAlphabetToInt64(s string, alphabet string) (int64, error)
• func BaseXToInt64(s string, base int) (int64, error)
• func Copy(x *big.Int) *big.Int
• func DecodeString(base int, s string) ([]byte, error)
• func Div(a, b *big.Int) *big.Int
• func EncodeToString(base int, s []byte) (string, error)
• func Equal(x, y *big.Int) bool
• func Int64ToBaseX(x int64, base int) string
• func Int64ToBaseXAlphabet(x int64, alphabet string) (string, error)
• func IntToHex(x *big.Int) string
• func Mod(a, n *big.Int) *big.Int
• func ModInt64(a, n int64) int64
• func MustEncodeToString(base int, s []byte) string
• func NewIntHex(hexNumStr string) (*big.Int, error)
• func NewIntString(val string) (*big.Int, error)
• func NewIntUint64(val uint64) *big.Int
• func ParseScientificNotation(s string) (*big.Int, big.Accuracy, error)
• func Pow(x, y *big.Int) *big.Int
• func PowInt64(x, y int64) int64
• func SplitInt64(x int64, scale uint) (int64, int64)

Variables

var ErrBaseInvalid = errors.New("invalid base - must be between [2,62]")

var ErrSetStringFailure = errors.New("string conversion to `*big.Int` failed")

Functions

func BaseXAlphabetToInt64

func BaseXAlphabetToInt64(s string, alphabet string) (int64, error)

func BaseXToInt64

func BaseXToInt64(s string, base int) (int64, error)

func Copy

func Copy(x *big.Int) *big.Int

Copy returns a copy of a `*big.Int`

func DecodeString

func DecodeString(base int, s string) ([]byte, error)

func Div

func Div(a, b *big.Int) *big.Int

Div devides a by b and returns a new `*big.Int`

func EncodeToString

func EncodeToString(base int, s []byte) (string, error)

EncodeToString uses [0-9a-zA-Z] for base62.

func Equal

func Equal(x, y *big.Int) bool

Equal checks if a == b.

func Int64ToBaseX

func Int64ToBaseX(x int64, base int) string

func Int64ToBaseXAlphabet

func Int64ToBaseXAlphabet(x int64, alphabet string) (string, error)

func IntToHex

func IntToHex(x *big.Int) string

IntToHex converts a `*big.Int` to a hex string.

func Mod

func Mod(a, n *big.Int) *big.Int

Mod performs `a mod n`

func ModInt64

func ModInt64(a, n int64) int64

ModInt64 returns an int64 mod

func MustEncodeToString

func MustEncodeToString(base int, s []byte) string

MustEncodeToString uses [0-9a-zA-Z] for base62.

func NewIntHex

func NewIntHex(hexNumStr string) (*big.Int, error)

NewIntHex converts a hex string to a `*big.Int`.

func NewIntString

func NewIntString(val string) (*big.Int, error)

NewIntString creates a new `*big.Int` from an uint64.

func NewIntUint64

func NewIntUint64(val uint64) *big.Int

NewIntUint64 creates a new `*big.Int` from an uint64.

func ParseScientificNotation

func ParseScientificNotation(s string) (*big.Int, big.Accuracy, error)

func Pow

func Pow(x, y *big.Int) *big.Int

Pow is the power function for big ints.

func PowInt64

func PowInt64(x, y int64) int64

func SplitInt64

func SplitInt64(x int64, scale uint) (int64, int64)