struct Float64

Defined in:

big/number.cr
float.cr
primitives.cr

Constant Summary

DIGITS = 15: The number of decimal digits that can be represented without losing precision
EPSILON = 2.2204460492503131e-16: The machine epsilon (difference between 1.0 and the next representable value)
INFINITY = (1_f64 / 0_f64).as(Float64)
MANT_DIGITS = 53: The number of digits that can be represented without losing precision (in base RADIX)
MAX = 1.7976931348623157e+308: Largest finite value
MAX_10_EXP = 308: The maximum possible power of 10 exponent (such that 10**MAX_10_EXP is representable)
MAX_EXP = 1024: The maximum possible normal power of 2 exponent
MIN = -1.7976931348623157e+308: Smallest finite value
MIN_10_EXP = -307: The minimum possible power of 10 exponent (such that 10**MIN_10_EXP is representable)
MIN_EXP = -1021: The minimum possible normal power of 2 exponent
MIN_POSITIVE = 2.2250738585072014e-308: Smallest representable positive value
NAN = (0_f64 / 0_f64).as(Float64)
RADIX = 2: The radix or integer base used by the internal representation

Constructors

.from_json_object_key?(key : String) : Float64?
.new(value : String, whitespace : Bool = true, strict : Bool = true) : self
Returns a Float64 by invoking String#to_f64 on value.
.new(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
.new(pull : JSON::PullParser)
.new(value)
Returns a Float64 by invoking #to_f64 on value.
.new!(value) : Float64
Returns a Float64 by invoking #to_f64! 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 : 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) : self
Returns the result of multiplying self and other.
#*(other : Int16) : self
Returns the result of multiplying self and other.
#*(other : Int32) : self
Returns the result of multiplying self and other.
#*(other : Int64) : self
Returns the result of multiplying self and other.
#*(other : Int128) : self
Returns the result of multiplying self and other.
#*(other : UInt8) : self
Returns the result of multiplying self and other.
#*(other : UInt16) : self
Returns the result of multiplying self and other.
#*(other : UInt32) : self
Returns the result of multiplying self and other.
#*(other : UInt64) : self
Returns the result of multiplying self and other.
#*(other : UInt128) : self
Returns the result of multiplying self and other.
#*(other : Float32) : self
Returns the result of multiplying self and other.
#*(other : Float64) : self
Returns the result of multiplying self and other.
#**(other : Int32)
#**(other : Float64) : Float64
#**(other) : Float64
#+(other : Int8) : self
Returns the result of adding self and other.
#+(other : Int16) : self
Returns the result of adding self and other.
#+(other : Int32) : self
Returns the result of adding self and other.
#+(other : Int64) : self
Returns the result of adding self and other.
#+(other : Int128) : self
Returns the result of adding self and other.
#+(other : UInt8) : self
Returns the result of adding self and other.
#+(other : UInt16) : self
Returns the result of adding self and other.
#+(other : UInt32) : self
Returns the result of adding self and other.
#+(other : UInt64) : self
Returns the result of adding self and other.
#+(other : UInt128) : self
Returns the result of adding self and other.
#+(other : Float32) : self
Returns the result of adding self and other.
#+(other : Float64) : self
Returns the result of adding self and other.
#-(other : Int8) : self
Returns the result of subtracting self and other.
#-(other : Int16) : self
Returns the result of subtracting self and other.
#-(other : Int32) : self
Returns the result of subtracting self and other.
#-(other : Int64) : self
Returns the result of subtracting self and other.
#-(other : Int128) : self
Returns the result of subtracting self and other.
#-(other : UInt8) : self
Returns the result of subtracting self and other.
#-(other : UInt16) : self
Returns the result of subtracting self and other.
#-(other : UInt32) : self
Returns the result of subtracting self and other.
#-(other : UInt64) : self
Returns the result of subtracting self and other.
#-(other : UInt128) : self
Returns the result of subtracting self and other.
#-(other : Float32) : self
Returns the result of subtracting self and other.
#-(other : Float64) : self
Returns the result of subtracting self and other.
#/(other : Int8) : Float64
#/(other : UInt8) : Float64
#/(other : Int16) : Float64
#/(other : UInt16) : Float64
#/(other : Int32) : Float64
#/(other : UInt32) : Float64
#/(other : Int64) : Float64
#/(other : UInt64) : Float64
#/(other : Int128) : Float64
#/(other : UInt128) : Float64
#/(other : Float32) : Float64
#/(other : Float64) : Float64
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 : 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 : 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 : 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 : 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 : 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 : Float64
#clone
#fdiv(other : Int8) : self
Returns the float division of self and other.
#fdiv(other : Int16) : self
Returns the float division of self and other.
#fdiv(other : Int32) : self
Returns the float division of self and other.
#fdiv(other : Int64) : self
Returns the float division of self and other.
#fdiv(other : Int128) : self
Returns the float division of self and other.
#fdiv(other : UInt8) : self
Returns the float division of self and other.
#fdiv(other : UInt16) : self
Returns the float division of self and other.
#fdiv(other : UInt32) : self
Returns the float division of self and other.
#fdiv(other : UInt64) : self
Returns the float division of self and other.
#fdiv(other : UInt128) : self
Returns the float division of self and other.
#fdiv(other : Float32) : self
Returns the float division of self and other.
#fdiv(other : Float64) : self
Returns the float division of self and other.
#floor : Float64
#next_float : Float64
Returns the least Float64 that is greater than self.
#prev_float : Float64
Returns the greatest Float64 that is less than self.
#round_away : Float64
Rounds towards the nearest integer.
#round_even : Float64
Rounds towards the nearest integer.
#to_f : Float64
Returns self converted to Float64.
#to_f! : Float64
Returns self converted to Float64.
#to_f32 : Float32
Returns self converted to Float32.
#to_f32! : Float32
Returns self converted to 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
Appends a String representation of this object to the given IO object.
#to_s : String
Returns a string representation of this object.
#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 : Float64

Instance methods inherited from struct `Float`

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Constructor methods inherited from struct `Float`

Instance methods inherited from module `Comparable(BigDecimal)`

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Instance methods inherited from module `Comparable(BigRational)`

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Instance methods inherited from module `Comparable(BigInt)`

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Instance methods inherited from struct `Number`

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Constructor methods inherited from struct `Number`

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Class methods inherited from struct `Number`

Instance methods inherited from module `Comparable(BigFloat)`

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Instance methods inherited from module `Steppable`

Instance methods inherited from module `Comparable(Number)`

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Instance methods inherited from struct `Value`

Instance methods inherited from class `Object`

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Class methods inherited from class `Object`

Constructor Detail

def self.from_json_object_key?(key : String) : Float64?Source

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

Returns a Float64 by invoking String#to_f64 on value.

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

def self.new(ctx : YAML::ParseContext, node : YAML::Nodes::Node)Source

def self.new(pull : JSON::PullParser)Source

def self.new(value)Source

Returns a Float64 by invoking #to_f64 on value.

def self.new!(value) : Float64 Source

Returns a Float64 by invoking #to_f64! on value.

Instance Method Detail

def !=(other : Int8) : Bool Source

Returns true if self is not equal to other.

def !=(other : Int16) : Bool Source

Returns true if self is not equal to other.

def !=(other : Int32) : Bool Source

Returns true if self is not equal to other.

def !=(other : Int64) : Bool Source

Returns true if self is not equal to other.

def !=(other : Int128) : Bool Source

Returns true if self is not equal to other.

def !=(other : UInt8) : Bool Source

Returns true if self is not equal to other.

def !=(other : UInt16) : Bool Source

Returns true if self is not equal to other.

def !=(other : UInt32) : Bool Source

Returns true if self is not equal to other.

def !=(other : UInt64) : Bool Source

Returns true if self is not equal to other.

def !=(other : UInt128) : Bool Source

Returns true if self is not equal to other.

def !=(other : Float32) : Bool Source

Returns true if self is not equal to other.

def !=(other : Float64) : Bool Source

Returns true if self is not equal to other.

def *(other : Int8) : selfSource

Returns the result of multiplying self and other.

def *(other : Int16) : selfSource

Returns the result of multiplying self and other.

def *(other : Int32) : selfSource

Returns the result of multiplying self and other.

def *(other : Int64) : selfSource

Returns the result of multiplying self and other.

def *(other : Int128) : selfSource

Returns the result of multiplying self and other.

def *(other : UInt8) : selfSource

Returns the result of multiplying self and other.

def *(other : UInt16) : selfSource

Returns the result of multiplying self and other.

def *(other : UInt32) : selfSource

Returns the result of multiplying self and other.

def *(other : UInt64) : selfSource

Returns the result of multiplying self and other.

def *(other : UInt128) : selfSource

Returns the result of multiplying self and other.

def *(other : Float32) : selfSource

Returns the result of multiplying self and other.

def *(other : Float64) : selfSource

Returns the result of multiplying self and other.

def **(other : Int32)Source

def **(other : Float64) : Float64 Source

def **(other) : Float64 Source

def +(other : Int8) : selfSource

Returns the result of adding self and other.

def +(other : Int16) : selfSource

Returns the result of adding self and other.

def +(other : Int32) : selfSource

Returns the result of adding self and other.

def +(other : Int64) : selfSource

Returns the result of adding self and other.

def +(other : Int128) : selfSource

Returns the result of adding self and other.

def +(other : UInt8) : selfSource

Returns the result of adding self and other.

def +(other : UInt16) : selfSource

Returns the result of adding self and other.

def +(other : UInt32) : selfSource

Returns the result of adding self and other.

def +(other : UInt64) : selfSource

Returns the result of adding self and other.

def +(other : UInt128) : selfSource

Returns the result of adding self and other.

def +(other : Float32) : selfSource

Returns the result of adding self and other.

def +(other : Float64) : selfSource

Returns the result of adding self and other.

def -(other : Int8) : selfSource

Returns the result of subtracting self and other.

def -(other : Int16) : selfSource

Returns the result of subtracting self and other.

def -(other : Int32) : selfSource

Returns the result of subtracting self and other.

def -(other : Int64) : selfSource

Returns the result of subtracting self and other.

def -(other : Int128) : selfSource

Returns the result of subtracting self and other.

def -(other : UInt8) : selfSource

Returns the result of subtracting self and other.

def -(other : UInt16) : selfSource

Returns the result of subtracting self and other.

def -(other : UInt32) : selfSource

Returns the result of subtracting self and other.

def -(other : UInt64) : selfSource

Returns the result of subtracting self and other.

def -(other : UInt128) : selfSource

Returns the result of subtracting self and other.

def -(other : Float32) : selfSource

Returns the result of subtracting self and other.

def -(other : Float64) : selfSource

Returns the result of subtracting self and other.

def /(other : Int8) : Float64 Source

def /(other : UInt8) : Float64 Source

def /(other : Int16) : Float64 Source

def /(other : UInt16) : Float64 Source

def /(other : Int32) : Float64 Source

def /(other : UInt32) : Float64 Source

def /(other : Int64) : Float64 Source

def /(other : UInt64) : Float64 Source

def /(other : Int128) : Float64 Source

def /(other : UInt128) : Float64 Source

def /(other : Float32) : Float64 Source

def /(other : Float64) : Float64 Source

Returns the result of division self and other.

def /(other : BigInt) : BigFloat Source

def /(other : BigFloat) : BigFloat Source

def /(other : BigDecimal) : BigDecimal Source

def /(other : BigRational) : BigRational Source

def <(other : Int8) : Bool Source

Returns true if self is less than other.

def <(other : Int16) : Bool Source

Returns true if self is less than other.

def <(other : Int32) : Bool Source

Returns true if self is less than other.

def <(other : Int64) : Bool Source

Returns true if self is less than other.

def <(other : Int128) : Bool Source

Returns true if self is less than other.

def <(other : UInt8) : Bool Source

Returns true if self is less than other.

def <(other : UInt16) : Bool Source

Returns true if self is less than other.

def <(other : UInt32) : Bool Source

Returns true if self is less than other.

def <(other : UInt64) : Bool Source

Returns true if self is less than other.

def <(other : UInt128) : Bool Source

Returns true if self is less than other.

def <(other : Float32) : Bool Source

Returns true if self is less than other.

def <(other : Float64) : Bool Source

Returns true if self is less than other.

def <=(other : Int8) : Bool Source

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

def <=(other : Int16) : Bool Source

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

def <=(other : Int32) : Bool Source

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

def <=(other : Int64) : Bool Source

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

def <=(other : Int128) : Bool Source

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

def <=(other : UInt8) : Bool Source

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

def <=(other : UInt16) : Bool Source

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

def <=(other : UInt32) : Bool Source

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

def <=(other : UInt64) : Bool Source

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

def <=(other : UInt128) : Bool Source

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

def <=(other : Float32) : Bool Source

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