struct Float16

• Float16
• Float
• Number
• Value
• Object

Overview

Float16 (also called half in other languages) is an implementation of the IEEE 754 half-precision binary floating-point format This implementation is ported from https://github.com/mm2/Little-CMS/blob/c6d1c9c07cfd03642d154973d036fccc59a2075c/src/cmshalf.c

Defined in:

Constant Summary

VERSION = "0.1.0"

Constructors

• .new(value : String, whitespace : Bool = true, strict : Bool = true) : self

  Returns a Float16 by invoking String#to_f32#to_f16 on value.

• .new(value : Float32)
• .new(value) : self
• .new!(value) : self

  Returns a Float16 by invoking to_f16! on value.

Instance Method Summary

• #!=(other : Int8) : Bool

  Returns true if self is not equal to other.

• #!=(other : Int16) : Bool

  Returns true if self is not equal to other.

• #!=(other : Int32) : Bool

  Returns true if self is not equal to other.

• #!=(other : Int64) : Bool

  Returns true if self is not equal to other.

• #!=(other : Int128) : Bool

  Returns true if self is not equal to other.

• #!=(other : UInt8) : Bool

  Returns true if self is not equal to other.

• #!=(other : UInt16) : Bool

  Returns true if self is not equal to other.

• #!=(other : UInt32) : Bool

  Returns true if self is not equal to other.

• #!=(other : UInt64) : Bool

  Returns true if self is not equal to other.

• #!=(other : UInt128) : Bool

  Returns true if self is not equal to other.

• #!=(other : Float16) : Bool

  Returns true if self is not equal to other.

• #!=(other : Float32) : Bool

  Returns true if self is not equal to other.

• #!=(other : Float64) : Bool

  Returns true if self is not equal to other.

• #*(other : Int8) : Float16

  Returns the result of multiplying self and other.

• #*(other : Int16) : Float16

  Returns the result of multiplying self and other.

• #*(other : Int32) : Float16

  Returns the result of multiplying self and other.

• #*(other : Int64) : Float16

  Returns the result of multiplying self and other.

• #*(other : Int128) : Float16

  Returns the result of multiplying self and other.

• #*(other : UInt8) : Float16

  Returns the result of multiplying self and other.

• #*(other : UInt16) : Float16

  Returns the result of multiplying self and other.

• #*(other : UInt32) : Float16

  Returns the result of multiplying self and other.

• #*(other : UInt64) : Float16

  Returns the result of multiplying self and other.

• #*(other : UInt128) : Float16

  Returns the result of multiplying self and other.

• #*(other : Float16) : Float16

  Returns the result of multiplying self and other.

• #*(other : Float32) : Float16

  Returns the result of multiplying self and other.

• #*(other : Float64) : Float16

  Returns the result of multiplying self and other.

• #**(other : Int32) : Float16
• #+(other : Int8) : Float16

  Returns the result of adding self and other.

• #+(other : Int16) : Float16

  Returns the result of adding self and other.

• #+(other : Int32) : Float16

  Returns the result of adding self and other.

• #+(other : Int64) : Float16

  Returns the result of adding self and other.

• #+(other : Int128) : Float16

  Returns the result of adding self and other.

• #+(other : UInt8) : Float16

  Returns the result of adding self and other.

• #+(other : UInt16) : Float16

  Returns the result of adding self and other.

• #+(other : UInt32) : Float16

  Returns the result of adding self and other.

• #+(other : UInt64) : Float16

  Returns the result of adding self and other.

• #+(other : UInt128) : Float16

  Returns the result of adding self and other.

• #+(other : Float16) : Float16

  Returns the result of adding self and other.

• #+(other : Float32) : Float16

  Returns the result of adding self and other.

• #+(other : Float64) : Float16

  Returns the result of adding self and other.

• #-(other : Int8) : Float16

  Returns the result of subtracting self and other.

• #-(other : Int16) : Float16

  Returns the result of subtracting self and other.

• #-(other : Int32) : Float16

  Returns the result of subtracting self and other.

• #-(other : Int64) : Float16

  Returns the result of subtracting self and other.

• #-(other : Int128) : Float16

  Returns the result of subtracting self and other.

• #-(other : UInt8) : Float16

  Returns the result of subtracting self and other.

• #-(other : UInt16) : Float16

  Returns the result of subtracting self and other.

• #-(other : UInt32) : Float16

  Returns the result of subtracting self and other.

• #-(other : UInt64) : Float16

  Returns the result of subtracting self and other.

• #-(other : UInt128) : Float16

  Returns the result of subtracting self and other.

• #-(other : Float16) : Float16

  Returns the result of subtracting self and other.

• #-(other : Float32) : Float16

  Returns the result of subtracting self and other.

• #-(other : Float64) : Float16

  Returns the result of subtracting self and other.

• #/(other : Int8) : Float16
• #/(other : UInt8) : Float16
• #/(other : Int16) : Float16
• #/(other : UInt16) : Float16
• #/(other : Int32) : Float16
• #/(other : UInt32) : Float16
• #/(other : Int64) : Float16
• #/(other : UInt64) : Float16
• #/(other : Int128) : Float16
• #/(other : UInt128) : Float16
• #/(other : Float64) : Float64
• #/(other : Float32) : Float32
• #/(other : Float16) : Float16

  Returns the result of division self and other.

• #/(other : BigInt) : BigFloat
• #/(other : BigFloat) : BigFloat
• #/(other : BigDecimal) : BigDecimal
• #/(other : BigRational) : BigRational
• #<(other : Int8) : Bool

  Returns true if self is less than other.

• #<(other : Int16) : Bool

  Returns true if self is less than other.

• #<(other : Int32) : Bool

  Returns true if self is less than other.

• #<(other : Int64) : Bool

  Returns true if self is less than other.

• #<(other : Int128) : Bool

  Returns true if self is less than other.

• #<(other : UInt8) : Bool

  Returns true if self is less than other.

• #<(other : UInt16) : Bool

  Returns true if self is less than other.

• #<(other : UInt32) : Bool

  Returns true if self is less than other.

• #<(other : UInt64) : Bool

  Returns true if self is less than other.

• #<(other : UInt128) : Bool

  Returns true if self is less than other.

• #<(other : Float16) : Bool

  Returns true if self is less than other.

• #<(other : Float32) : Bool

  Returns true if self is less than other.

• #<(other : Float64) : Bool

  Returns true if self is less than other.

• #<=(other : Int8) : Bool

  Returns true if self is less than or equal to other.

• #<=(other : Int16) : Bool

  Returns true if self is less than or equal to other.

• #<=(other : Int32) : Bool

  Returns true if self is less than or equal to other.

• #<=(other : Int64) : Bool

  Returns true if self is less than or equal to other.

• #<=(other : Int128) : Bool

  Returns true if self is less than or equal to other.

• #<=(other : UInt8) : Bool

  Returns true if self is less than or equal to other.

• #<=(other : UInt16) : Bool

  Returns true if self is less than or equal to other.

• #<=(other : UInt32) : Bool

  Returns true if self is less than or equal to other.

• #<=(other : UInt64) : Bool

  Returns true if self is less than or equal to other.

• #<=(other : UInt128) : Bool

  Returns true if self is less than or equal to other.

• #<=(other : Float16) : Bool

  Returns true if self is less than or equal to other.

• #<=(other : Float32) : Bool

  Returns true if self is less than or equal to other.

• #<=(other : Float64) : Bool

  Returns true if self is less than or equal to other.

• #==(other : Int8) : Bool

  Returns true if self is equal to other.

• #==(other : Int16) : Bool

  Returns true if self is equal to other.

• #==(other : Int32) : Bool

  Returns true if self is equal to other.

• #==(other : Int64) : Bool

  Returns true if self is equal to other.

• #==(other : Int128) : Bool

  Returns true if self is equal to other.

• #==(other : UInt8) : Bool

  Returns true if self is equal to other.

• #==(other : UInt16) : Bool

  Returns true if self is equal to other.

• #==(other : UInt32) : Bool

  Returns true if self is equal to other.

• #==(other : UInt64) : Bool

  Returns true if self is equal to other.

• #==(other : UInt128) : Bool

  Returns true if self is equal to other.

• #==(other : Float16) : Bool

  Returns true if self is equal to other.

• #==(other : Float32) : Bool

  Returns true if self is equal to other.

• #==(other : Float64) : Bool

  Returns true if self is equal to other.

• #>(other : Int8) : Bool

  Returns true if self is greater than other.

• #>(other : Int16) : Bool

  Returns true if self is greater than other.

• #>(other : Int32) : Bool

  Returns true if self is greater than other.

• #>(other : Int64) : Bool

  Returns true if self is greater than other.

• #>(other : Int128) : Bool

  Returns true if self is greater than other.

• #>(other : UInt8) : Bool

  Returns true if self is greater than other.

• #>(other : UInt16) : Bool

  Returns true if self is greater than other.

• #>(other : UInt32) : Bool

  Returns true if self is greater than other.

• #>(other : UInt64) : Bool

  Returns true if self is greater than other.

• #>(other : UInt128) : Bool

  Returns true if self is greater than other.

• #>(other : Float16) : Bool

  Returns true if self is greater than other.

• #>(other : Float32) : Bool

  Returns true if self is greater than other.

• #>(other : Float64) : Bool

  Returns true if self is greater than other.

• #>=(other : Int8) : Bool

  Returns true if self is greater than or equal to other.

• #>=(other : Int16) : Bool

  Returns true if self is greater than or equal to other.

• #>=(other : Int32) : Bool

  Returns true if self is greater than or equal to other.

• #>=(other : Int64) : Bool

  Returns true if self is greater than or equal to other.

• #>=(other : Int128) : Bool

  Returns true if self is greater than or equal to other.

• #>=(other : UInt8) : Bool

  Returns true if self is greater than or equal to other.

• #>=(other : UInt16) : Bool

  Returns true if self is greater than or equal to other.

• #>=(other : UInt32) : Bool

  Returns true if self is greater than or equal to other.

• #>=(other : UInt64) : Bool

  Returns true if self is greater than or equal to other.

• #>=(other : UInt128) : Bool

  Returns true if self is greater than or equal to other.

• #>=(other : Float16) : Bool

  Returns true if self is greater than or equal to other.

• #>=(other : Float32) : Bool

  Returns true if self is greater than or equal to other.

• #>=(other : Float64) : Bool

  Returns true if self is greater than or equal to other.

• #ceil : Float16
• #clone
• #fdiv(other : Int8) : Float16

  Returns the float division of self and other.

• #fdiv(other : Int16) : Float16

  Returns the float division of self and other.

• #fdiv(other : Int32) : Float16

  Returns the float division of self and other.

• #fdiv(other : Int64) : Float16

  Returns the float division of self and other.

• #fdiv(other : Int128) : Float16

  Returns the float division of self and other.

• #fdiv(other : UInt8) : Float16

  Returns the float division of self and other.

• #fdiv(other : UInt16) : Float16

  Returns the float division of self and other.

• #fdiv(other : UInt32) : Float16

  Returns the float division of self and other.

• #fdiv(other : UInt64) : Float16

  Returns the float division of self and other.

• #fdiv(other : UInt128) : Float16

  Returns the float division of self and other.

• #fdiv(other : Float16) : Float16

  Returns the float division of self and other.

• #fdiv(other : Float32) : Float16

  Returns the float division of self and other.

• #fdiv(other : Float64) : Float16

  Returns the float division of self and other.

• #floor : Float16
• #round_away : Float16

  Rounds towards the nearest integer.

• #round_even : Float16

  Rounds towards the nearest integer.

• #to_f : Float64

  Returns self converted to Float64.

• #to_f! : Float64

  Returns self converted to Float64.

• #to_f32 : Float32
• #to_f64 : Float64

  Returns self converted to Float64.

• #to_f64! : Float64

  Returns self converted to Float64.

• #to_i : Int32

  Returns self converted to Int32.

• #to_i! : Int32

  Returns self converted to Int32.

• #to_i128 : Int128

  Returns self converted to Int128.

• #to_i128! : Int128

  Returns self converted to Int128.

• #to_i16 : Int16

  Returns self converted to Int16.

• #to_i16! : Int16

  Returns self converted to Int16.

• #to_i32 : Int32

  Returns self converted to Int32.

• #to_i32! : Int32

  Returns self converted to Int32.

• #to_i64 : Int64

  Returns self converted to Int64.

• #to_i64! : Int64

  Returns self converted to Int64.

• #to_i8 : Int8

  Returns self converted to Int8.

• #to_i8! : Int8

  Returns self converted to Int8.

• #to_s(io : IO) : Nil

  Prints a nicely readable and concise string representation of this object, typically intended for users, to io.

• #to_s : String

  Returns a nicely readable and concise string representation of this object, typically intended for users.

• #to_u : UInt32

  Returns self converted to UInt32.

• #to_u! : UInt32

  Returns self converted to UInt32.

• #to_u128 : UInt128

  Returns self converted to UInt128.

• #to_u128! : UInt128

  Returns self converted to UInt128.

• #to_u16 : UInt16

  Returns self converted to UInt16.

• #to_u16! : UInt16

  Returns self converted to UInt16.

• #to_u32 : UInt32

  Returns self converted to UInt32.

• #to_u32! : UInt32

  Returns self converted to UInt32.

• #to_u64 : UInt64

  Returns self converted to UInt64.

• #to_u64! : UInt64

  Returns self converted to UInt64.

• #to_u8 : UInt8

  Returns self converted to UInt8.

• #to_u8! : UInt8

  Returns self converted to UInt8.

• #trunc : Float16

Constructor Detail

Float64.new "20"                        # => 20.0
Float64.new "  20  ", whitespace: false # => Unhandled exception: Invalid Float64:   20 (ArgumentError)

Instance Method Detail

"foo #{bar} baz" # calls bar.to_io with the builder for this string

io << bar # calls bar.to_s(io)