mathutils

func ApproximatelyEqual ¶

func ApproximatelyEqual(a, b float64) bool

ApproximatelyEqual function to test if two real numbers are (almost) equal

func BigIntToHighAndLow ¶

func BigIntToHighAndLow(x *big.Int) (uint64, uint64)

func CantorPair ¶

func CantorPair(k1, k2 uint64) uint64

CantorPair two uint64 numbers by cantor pairing function.

func CantorUnpair ¶

func CantorUnpair(pair uint64) (uint64, uint64)

CantorUnpair one uint64 pair to two uint64 numbers by cantor pairing function.

func Clamp ¶

func Clamp(value, lowerLimit, upperLimit float64) float64

Clamp return the result of the "value" clamped by

func HighAndLowToBigInt ¶

func HighAndLowToBigInt(h, l uint64) *big.Int

func IntStringToBigInt ¶

func IntStringToBigInt(str string) *big.Int

func RandomDigitString ¶

func RandomDigitString(length int) (result string)

RandomDigitString return random digit string

func Round ¶

func Round(v float64, p float64) float64

Round float to precision

func RoundWithPrecision ¶

func RoundWithPrecision(value float64, precision float64) float64

RoundWithPrecision round precision

func WeightIndex ¶

func WeightIndex(prob map[interface{}]uint64) interface{}

WeightIndex get key by probability chances