xnumber

package
v1.4.2 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Oct 1, 2020 License: MIT Imports: 3 Imported by: 7

README

xnumber

References
  • xtesting*
Functions
  • type Accuracy func() float64
  • NewAccuracy(eps float64) Accuracy
  • var DefaultAccuracy Accuracy
  • (eps Accuracy) Equal(a, b float64) bool
  • (eps Accuracy) NotEqual(a, b float64) bool
  • (eps Accuracy) Greater(a, b float64) bool
  • (eps Accuracy) Smaller(a, b float64) bool
  • (eps Accuracy) GreaterOrEqual(a, b float64) bool
  • (eps Accuracy) SmallerOrEqual(a, b float64) bool
  • RenderByte(b float64) string
  • Bool(b bool) int
  • ParseInt(s string, base int) (int, error)
  • ParseInt8(s string, base int) (int8, error)
  • ParseInt16(s string, base int) (int16, error)
  • ParseInt32(s string, base int) (int32, error)
  • ParseInt64(s string, base int) (int64, error)
  • ParseUint(s string, base int) (uint, error)
  • ParseUint8(s string, base int) (uint8, error)
  • ParseUint16(s string, base int) (uint16, error)
  • ParseUint32(s string, base int) (uint32, error)
  • ParseUint64(s string, base int) (uint64, error)
  • ParseFloat32(s string) (float32, error)
  • ParseFloat64(s string) (float64, error)
  • Atoi(s string) (int, error)
  • Atoi8(s string) (int8, error)
  • Atoi16(s string) (int16, error)
  • Atoi32(s string) (int32, error)
  • Atoi64(s string) (int64, error)
  • Atou(s string) (uint, error)
  • Atou8(s string) (uint8, error)
  • Atou16(s string) (uint16, error)
  • Atou32(s string) (uint32, error)
  • Atou64(s string) (uint64, error)
  • Atof32(s string) (float32, error)
  • Atof64(s string) (float64, error)
  • FormatInt(i int, base int) string
  • FormatInt8(i int8, base int) string
  • FormatInt16(i int16, base int) string
  • FormatInt32(i int32, base int) string
  • FormatInt64(i int64, base int) string
  • FormatUint(i uint, base int) string
  • FormatUint8(i uint8, base int) string
  • FormatUint16(i uint16, base int) string
  • FormatUint32(i uint32, base int) string
  • FormatUint64(i uint64, base int) string
  • FormatFloat32(f float32, fmt byte, prec int) string
  • FormatFloat64(f float64, fmt byte, prec int) string
  • Itoa(i int) string
  • I8toa(i int8) string
  • I16toa(i int16) string
  • I32toa(i int32) string
  • I64toa(i int64) string
  • Utoa(i uint) string
  • U8toa(i uint8) string
  • U16toa(i uint16) string
  • U32toa(i uint32) string
  • U64toa(i uint64) string
  • F32toa(f float32) string
  • F64toa(f float64) string
  • MinInt8
  • MinInt16
  • MinInt32
  • MinInt64
  • MinUint8
  • MinUint16
  • MinUint32
  • MinUint64
  • MaxInt8
  • MaxInt16
  • MaxInt32
  • MaxInt64
  • MaxUint8
  • MaxUint16
  • MaxUint32
  • MaxUint64
  • MaxFloat32
  • SmallestNonzeroFloat32
  • MaxFloat64
  • SmallestNonzeroFloat64

Documentation

Index

Constants

View Source 
const (
	MinInt8   = int8(-128)                  // -1 << 7
	MinInt16  = int16(-32768)               // -1 << 15
	MinInt32  = int32(-2147483648)          // -1 << 31
	MinInt64  = int64(-9223372036854775808) // -1 << 63
	MinUint8  = uint8(0)                    // 0
	MinUint16 = uint16(0)                   // 0
	MinUint32 = uint32(0)                   // 0
	MinUint64 = uint64(0)                   // 0

	MaxInt8   = int8(127)                    // 1<<7 - 1
	MaxInt16  = int16(32767)                 //  1<<15 - 1
	MaxInt32  = int32(2147483647)            //  1<<31 - 1
	MaxInt64  = int64(9223372036854775807)   // 1<<63 - 1
	MaxUint8  = uint8(255)                   //  1<<8 - 1
	MaxUint16 = uint16(65535)                // 1<<16 - 1
	MaxUint32 = uint32(4294967295)           // 1<<32 - 1
	MaxUint64 = uint64(18446744073709551615) // 1<<64 - 1

	MaxFloat32             = float32(math.MaxFloat32)             // 2**127 * (2**24 - 1) / 2**23
	SmallestNonzeroFloat32 = float32(math.SmallestNonzeroFloat32) // 1 / 2**(127 - 1 + 23)
	MaxFloat64             = float64(math.MaxFloat64)             // 2**1023 * (2**53 - 1) / 2**52
	SmallestNonzeroFloat64 = float64(math.SmallestNonzeroFloat64) // 1 / 2**(1023 - 1 + 52)
)

Variables

View Source 
var DefaultAccuracy = NewAccuracy(1e-3)

DefaultAccuracy means default accuracy, use 1e-3.

Functions

func Atof32 

func Atof32(s string) (float32, error)

func Atof64 

func Atof64(s string) (float64, error)

func Atoi 

func Atoi(s string) (int, error)

func Atoi16 

func Atoi16(s string) (int16, error)

func Atoi32 

func Atoi32(s string) (int32, error)

func Atoi64 

func Atoi64(s string) (int64, error)

func Atoi8 

func Atoi8(s string) (int8, error)

func Atou 

func Atou(s string) (uint, error)

func Atou16 

func Atou16(s string) (uint16, error)

func Atou32 

func Atou32(s string) (uint32, error)

func Atou64 

func Atou64(s string) (uint64, error)

func Atou8 

func Atou8(s string) (uint8, error)

func Bool added in v1.3.3 

func Bool(b bool) int

Bool returns 1 if value is true, otherwise returns 0.

func F32toa 

func F32toa(f float32) string

func F64toa 

func F64toa(f float64) string

func FormatFloat32 

func FormatFloat32(f float32, fmt byte, prec int) string

func FormatFloat64 

func FormatFloat64(f float64, fmt byte, prec int) string

func FormatInt 

func FormatInt(i int, base int) string

func FormatInt16 

func FormatInt16(i int16, base int) string

func FormatInt32 

func FormatInt32(i int32, base int) string

func FormatInt64 

func FormatInt64(i int64, base int) string

func FormatInt8 

func FormatInt8(i int8, base int) string

func FormatUint 

func FormatUint(i uint, base int) string

func FormatUint16 

func FormatUint16(i uint16, base int) string

func FormatUint32 

func FormatUint32(i uint32, base int) string

func FormatUint64 

func FormatUint64(i uint64, base int) string

func FormatUint8 

func FormatUint8(i uint8, base int) string

func I16toa 

func I16toa(i int16) string

func I32toa 

func I32toa(i int32) string

func I64toa 

func I64toa(i int64) string

func I8toa 

func I8toa(i int8) string

func Itoa 

func Itoa(i int) string

func ParseFloat32 

func ParseFloat32(s string) (float32, error)

func ParseFloat64 

func ParseFloat64(s string) (float64, error)

func ParseInt 

func ParseInt(s string, base int) (int, error)

func ParseInt16 

func ParseInt16(s string, base int) (int16, error)

func ParseInt32 

func ParseInt32(s string, base int) (int32, error)

func ParseInt64 

func ParseInt64(s string, base int) (int64, error)

func ParseInt8 

func ParseInt8(s string, base int) (int8, error)

func ParseUint 

func ParseUint(s string, base int) (uint, error)

func ParseUint16 

func ParseUint16(s string, base int) (uint16, error)

func ParseUint32 

func ParseUint32(s string, base int) (uint32, error)

func ParseUint64 

func ParseUint64(s string, base int) (uint64, error)

func ParseUint8 

func ParseUint8(s string, base int) (uint8, error)

func RenderByte 

func RenderByte(b float64) string

RenderByte renders a byte size to string (using %.2f), support `B` `KB` `MB` `GB` `TB`.

func U16toa 

func U16toa(i uint16) string

func U32toa 

func U32toa(i uint32) string

func U64toa 

func U64toa(i uint64) string

func U8toa 

func U8toa(i uint8) string

func Utoa 

func Utoa(i uint) string

Types

type Accuracy 

type Accuracy func() float64

Accuracy includes some accuracy functions using the given accuracy.

func NewAccuracy 

func NewAccuracy(eps float64) Accuracy

NewAccuracy creates an Accuracy, using eps as accuracy.

func (Accuracy) Equal 

func (eps Accuracy) Equal(a, b float64) bool

Equal checks eq between two float64.

func (Accuracy) Greater 

func (eps Accuracy) Greater(a, b float64) bool

Greater checks gt between two float64.

func (Accuracy) GreaterOrEqual 

func (eps Accuracy) GreaterOrEqual(a, b float64) bool

GreaterOrEqual checks gte between two float64.

func (Accuracy) NotEqual added in v1.3.4 

func (eps Accuracy) NotEqual(a, b float64) bool

NotEqual checks neq between two float64.

func (Accuracy) Smaller 

func (eps Accuracy) Smaller(a, b float64) bool

Smaller checks lt between two float64.

func (Accuracy) SmallerOrEqual 

func (eps Accuracy) SmallerOrEqual(a, b float64) bool

SmallerOrEqual checks lte between two float64.

Source Files

View all Source files

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