eos_math

package
v0.0.0-...-e0ee87b Latest Latest
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 Go to latest Published: Jul 5, 2021 License: MIT Imports: 7 Imported by: 7

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Index

Constants

View Source 
const (
	MaxInt8   = 1<<7 - 1
	MinInt8   = -1 << 7
	MaxInt16  = 1<<15 - 1
	MinInt16  = -1 << 15
	MaxInt32  = 1<<31 - 1
	MinInt32  = -1 << 31
	MaxInt64  = 1<<63 - 1
	MinInt64  = -1 << 63
	MaxUint8  = 1<<8 - 1
	MaxUint16 = 1<<16 - 1
	MaxUint32 = 1<<32 - 1
	MaxUint64 = 1<<64 - 1
)

Integer limit values.

View Source 
const DBL_MANT_DIG = 53

seee eeee eeee mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm

Variables

This section is empty.

Functions

func F128ToI32 

func F128ToI32(a Float128, roundingMode uint8, exact bool) int32

func F128ToI64 

func F128ToI64(a Float128, roundingMode uint8, exact bool) int64

func F128ToUi32 

func F128ToUi32(a Float128, roundingMode uint8, exact bool) uint32

func F128ToUi64 

func F128ToUi64(a Float128, roundingMode uint8, exact bool) uint64

func Floattidf 

func Floattidf(a Int128) float64

func Floatuntidf 

func Floatuntidf(a Uint128) float64

seee eeee eeee mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm

func MustParseUint64 

func MustParseUint64(s string) uint64

MustParseUint64 parses s as an integer and panics if the string is invalid.

func ParseUint64 

func ParseUint64(s string) (uint64, bool)

ParseUint64 parses s as an integer in decimal or hexadecimal syntax. Leading zeros are accepted. The empty string parses as zero.

func SafeAdd 

func SafeAdd(x, y uint64) (uint64, bool)

SafeAdd returns the result and whether overflow occurred.

func SafeMul 

func SafeMul(x, y uint64) (uint64, bool)

SafeMul returns multiplication result and whether overflow occurred.

func SafeSub 

func SafeSub(x, y uint64) (uint64, bool)

SafeSub returns subtraction result and whether overflow occurred.

Types

type ExtFloat80M 

type ExtFloat80M struct {
	// contains filtered or unexported fields
}

type ExtFloat80_t 

type ExtFloat80_t ExtFloat80M

type Float128 

type Float128 struct {
	Low  uint64
	High uint64
}

func F32ToF128 

func F32ToF128(a Float32) Float128

func F64ToF128 

func F64ToF128(a Float64) Float128

func I32ToF128 

func I32ToF128(a int32) Float128

func I64ToF128 

func I64ToF128(a int64) Float128

func Ui32ToF128 

func Ui32ToF128(a uint32) Float128

func Ui64ToF128 

func Ui64ToF128(a uint64) Float128

func (Float128) Add 

func (a Float128) Add(b Float128) Float128

func (Float128) Bytes 

func (f Float128) Bytes() []byte

func (Float128) Div 

func (a Float128) Div(b Float128) Float128

func (Float128) F128EQ 

func (f Float128) F128EQ(b Float128) bool

func (Float128) F128Lt 

func (f Float128) F128Lt(b Float128) bool

func (*Float128) IsNan 

func (f *Float128) IsNan() bool

func (Float128) Mul 

func (a Float128) Mul(b Float128) Float128

func (Float128) String 

func (f Float128) String() string

func (Float128) Sub 

func (a Float128) Sub(b Float128) Float128

type Float16 

type Float16 uint16

type Float32 

type Float32 uint32

func F128ToF32 

func F128ToF32(a Float128) Float32

func (Float32) String 

func (f Float32) String() string

type Float64 

type Float64 uint64

func F128ToF64 

func F128ToF64(a Float128) Float64

func I32ToF64 

func I32ToF64(a int32) Float64

func (Float64) String 

func (f Float64) String() string

type HexOrDecimal64 

type HexOrDecimal64 uint64

HexOrDecimal64 marshals uint64 as hex or decimal.

func (HexOrDecimal64) MarshalText 

func (i HexOrDecimal64) MarshalText() ([]byte, error)

MarshalText implements encoding.TextMarshaler.

func (*HexOrDecimal64) UnmarshalText 

func (i *HexOrDecimal64) UnmarshalText(input []byte) error

UnmarshalText implements encoding.TextUnmarshaler.

type Int128 

type Int128 struct {
	Low  uint64
	High uint64
}

func CreateInt128 

func CreateInt128(i int) Int128

func Fixdfti 

func Fixdfti(a uint64) Int128

func Fixsfti 

func Fixsfti(a uint32) Int128

func Fixtfti 

func Fixtfti(a Float128) Int128

func MaxInt128 

func MaxInt128() Int128

func MinInt128 

func MinInt128() Int128

func (Int128) Add 

func (u Int128) Add(v Int128) Int128

func (Int128) Div 

func (u Int128) Div(v Int128) (Int128, Int128)

func (Int128) GetAt 

func (u Int128) GetAt(i uint) bool

func (Int128) IsZero 

func (u Int128) IsZero() bool

func (*Int128) LeftShift 

func (u *Int128) LeftShift()

func (*Int128) LeftShifts 

func (u *Int128) LeftShifts(shift int)

func (Int128) Mul 

func (u Int128) Mul(v Int128) Int128

func (*Int128) RightShift 

func (u *Int128) RightShift()

func (*Int128) RightShifts 

func (u *Int128) RightShifts(shift int)

func (*Int128) Set 

func (u *Int128) Set(i uint, b uint)

func (Int128) String 

func (u Int128) String() string

func (Int128) Sub 

func (u Int128) Sub(v Int128) Int128

func (Int128) ToTrueForm 

func (u Int128) ToTrueForm() Uint128

type Mant 

type Mant struct {
	High uint64
	Low  uint64
}

type Uint128 

type Uint128 struct {
	Low  uint64
	High uint64
}

func CreateUint128 

func CreateUint128(i int) Uint128

func Fixunsdfti 

func Fixunsdfti(a uint64) Uint128

func Fixunssfti 

func Fixunssfti(a uint32) Uint128

func Fixunstfti 

func Fixunstfti(a Float128) Uint128

func MaxUint128 

func MaxUint128() Uint128

func MinUint128 

func MinUint128() Uint128

func MulUint64 

func MulUint64(u, v uint64) Uint128

func (Uint128) Add 

func (u Uint128) Add(v Uint128) Uint128

func (Uint128) And 

func (u Uint128) And(v Uint128) Uint128

func (Uint128) Compare 

func (u Uint128) Compare(v Uint128) int

if u > v , return 1; u < v , return -1; u = v , return 0 .

func (Uint128) Div 

func (u Uint128) Div(divisor Uint128) (Uint128, Uint128)

func (Uint128) GetAt 

func (u Uint128) GetAt(i uint) bool

func (Uint128) IsZero 

func (u Uint128) IsZero() bool

func (*Uint128) LeftShift 

func (u *Uint128) LeftShift()

func (*Uint128) LeftShifts 

func (u *Uint128) LeftShifts(shift int)

func (Uint128) Mul 

func (u Uint128) Mul(v Uint128) Uint128

func (Uint128) Or 

func (u Uint128) Or(v Uint128) Uint128

func (*Uint128) RightShift 

func (u *Uint128) RightShift()

func (*Uint128) RightShifts 

func (u *Uint128) RightShifts(shift int)

func (*Uint128) RightShifts2 

func (u *Uint128) RightShifts2(shift int) Uint128

func (*Uint128) Set 

func (u *Uint128) Set(i uint, b uint)

func (Uint128) Sqrt 

func (u Uint128) Sqrt() uint64

func (Uint128) String 

func (u Uint128) String() string

func (Uint128) Sub 

func (u Uint128) Sub(v Uint128) Uint128

func (Uint128) ToComplement 

func (u Uint128) ToComplement() Int128

func (Uint128) ToUint128Bytes 

func (u Uint128) ToUint128Bytes() Uint128Bytes

type Uint128Bytes 

type Uint128Bytes struct {
	LowBytes  []byte
	HighBytes []byte
}

type Uint256 

type Uint256 struct {
	Low  Uint128
	High Uint128
}

func (Uint256) Add 

func (u Uint256) Add(v Uint256) Uint256

func (Uint256) Compare 

func (u Uint256) Compare(v Uint256) int

func (Uint256) Div 

func (u Uint256) Div(divisor Uint256) (Uint256, Uint256)

func (Uint256) GetAt 

func (u Uint256) GetAt(i uint) bool

func (Uint256) IsZero 

func (u Uint256) IsZero() bool

func (*Uint256) LeftShift 

func (u *Uint256) LeftShift()

func (*Uint256) LeftShifts 

func (u *Uint256) LeftShifts(shift int)

func (Uint256) Mul 

func (u Uint256) Mul(v Uint256) Uint256

func (*Uint256) RightShift 

func (u *Uint256) RightShift()

func (*Uint256) RightShifts 

func (u *Uint256) RightShifts(shift int)

func (*Uint256) Set 

func (u *Uint256) Set(i uint, b uint)

func (Uint256) String 

func (u Uint256) String() string

func (Uint256) Sub 

func (u Uint256) Sub(v Uint256) Uint256

Source Files

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