big

Documentation

Index

• Constants
• func BitLen(a Int) uint
• func Cmp(a, b Int) int
• type Int
  • func Add(a, b Int) Int
  • func Div(a, b Int) Int
  • func Exp(a Int, e Int) Int
  • func FromBytes(buf []byte) (Int, error)
  • func FromString(s string) (Int, error)
  • func Lsh(a Int, n uint) Int
  • func Max(x, y Int) Int
  • func Min(x, y Int) Int
  • func Mod(a, b Int) Int
  • func Mul(a, b Int) Int
  • func MustFromString(s string) Int
  • func NewFromGo(i *big.Int) Int
  • func NewInt(i int64) Int
  • func NewIntUnsigned(i uint64) Int
  • func PositiveFromUnsignedBytes(b []byte) Int
  • func Product(ints ...Int) Int
  • func Rsh(a Int, n uint) Int
  • func Sub(a, b Int) Int
  • func Subtract(num1 Int, ints ...Int) Int
  • func Sum(ints ...Int) Int
  • func Zero() Int
  • func (bi Int) Abs() Int
  • func (bi *Int) Bytes() ([]byte, error)
  • func (bi Int) Copy() Int
  • func (bi Int) Equals(o Int) bool
  • func (bi Int) GreaterThan(o Int) bool
  • func (bi Int) GreaterThanEqual(o Int) bool
  • func (bi *Int) IsZero() bool
  • func (bi Int) LessThan(o Int) bool
  • func (bi Int) LessThanEqual(o Int) bool
  • func (bi *Int) MarshalBinary() ([]byte, error)
  • func (bi *Int) MarshalCBOR(w io.Writer) error
  • func (bi *Int) MarshalJSON() ([]byte, error)
  • func (bi Int) Neg() Int
  • func (bi *Int) Nil() bool
  • func (bi *Int) NilOrZero() bool
  • func (bi *Int) UnmarshalBinary(buf []byte) error
  • func (bi *Int) UnmarshalCBOR(br io.Reader) error
  • func (bi *Int) UnmarshalJSON(b []byte) error

Constants

const BigIntMaxSerializedLen = 128

BigIntMaxSerializedLen is the max length of a byte slice representing a CBOR serialized big.

Functions

func BitLen

func BitLen(a Int) uint

func Cmp

func Cmp(a, b Int) int

Types

type Int

type Int struct {
	*big.Int
}

func Add

func Add(a, b Int) Int

func Div

func Div(a, b Int) Int

func Exp

func Exp(a Int, e Int) Int

Returns a**e unless e <= 0 (in which case returns 1).

func FromBytes

func FromBytes(buf []byte) (Int, error)

func FromString

func FromString(s string) (Int, error)

func Lsh

func Lsh(a Int, n uint) Int

Returns x << n

func Max

func Max(x, y Int) Int

func Min

func Min(x, y Int) Int

func Mod

func Mod(a, b Int) Int

func Mul

func Mul(a, b Int) Int

func MustFromString

func MustFromString(s string) Int

MustFromString convers dec string into big integer and panics if conversion is not sucessful.

func NewFromGo

func NewFromGo(i *big.Int) Int

func NewInt

func NewInt(i int64) Int

func NewIntUnsigned

func NewIntUnsigned(i uint64) Int

func PositiveFromUnsignedBytes

func PositiveFromUnsignedBytes(b []byte) Int

PositiveFromUnsignedBytes interprets b as the bytes of a big-endian unsigned integer and returns a positive Int with this absolute value.

func Product

func Product(ints ...Int) Int

func Rsh

func Rsh(a Int, n uint) Int

Returns x >> n

func Sub

func Sub(a, b Int) Int

func Subtract

func Subtract(num1 Int, ints ...Int) Int

func Sum

func Sum(ints ...Int) Int

func Zero

func Zero() Int

func (Int) Abs

func (bi Int) Abs() Int

Abs returns the absolute value of bi.

func (*Int) Bytes

func (bi *Int) Bytes() ([]byte, error)

func (Int) Copy

func (bi Int) Copy() Int

func (Int) Equals

func (bi Int) Equals(o Int) bool

Equals returns true if bi == o

func (Int) GreaterThan

func (bi Int) GreaterThan(o Int) bool

GreaterThan returns true if bi > o

func (Int) GreaterThanEqual

func (bi Int) GreaterThanEqual(o Int) bool

GreaterThanEqual returns true if bi >= o

func (*Int) IsZero

func (bi *Int) IsZero() bool

func (Int) LessThan

func (bi Int) LessThan(o Int) bool

LessThan returns true if bi < o

func (Int) LessThanEqual

func (bi Int) LessThanEqual(o Int) bool

LessThanEqual returns true if bi <= o

func (*Int) MarshalBinary

func (bi *Int) MarshalBinary() ([]byte, error)

func (*Int) MarshalCBOR

func (bi *Int) MarshalCBOR(w io.Writer) error

func (*Int) MarshalJSON

func (bi *Int) MarshalJSON() ([]byte, error)

func (Int) Neg

func (bi Int) Neg() Int

Neg returns the negative of bi.

func (*Int) Nil

func (bi *Int) Nil() bool

func (*Int) NilOrZero

func (bi *Int) NilOrZero() bool

func (*Int) UnmarshalBinary

func (bi *Int) UnmarshalBinary(buf []byte) error

func (*Int) UnmarshalCBOR

func (bi *Int) UnmarshalCBOR(br io.Reader) error

func (*Int) UnmarshalJSON

func (bi *Int) UnmarshalJSON(b []byte) error