struct Float64
inherits Float

Constants

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

Class methods

.from_json_object_key?(key : String)

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.new!(value)

Returns a Float64 by invoking to_f64! on value.

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

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.new(pull : JSON::PullParser)

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.new(value)

Returns a Float64 by invoking to_f64 on value.

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Methods

#!=(other : UInt128) : Bool

Returns true if self is not equal to other.

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#!=(other : Float64) : Bool

Returns true if self is not equal to other.

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#!=(other : Float32) : Bool

Returns true if self is not equal to other.

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#!=(other : Int8) : Bool

Returns true if self is not equal to other.

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#!=(other : Int16) : Bool

Returns true if self is not equal to other.

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#!=(other : Int32) : Bool

Returns true if self is not equal to other.

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#!=(other : Int64) : Bool

Returns true if self is not equal to other.

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#!=(other : Int128) : Bool

Returns true if self is not equal to other.

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#!=(other : UInt8) : Bool

Returns true if self is not equal to other.

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#!=(other : UInt16) : Bool

Returns true if self is not equal to other.

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#!=(other : UInt32) : Bool

Returns true if self is not equal to other.

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#!=(other : UInt64) : Bool

Returns true if self is not equal to other.

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#*(other : Int8) : self

Returns the result of multiplying self and other.

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#*(other : Int16) : self

Returns the result of multiplying self and other.

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#*(other : Int32) : self

Returns the result of multiplying self and other.

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#*(other : Int64) : self

Returns the result of multiplying self and other.

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#*(other : Int128) : self

Returns the result of multiplying self and other.

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#*(other : UInt8) : self

Returns the result of multiplying self and other.

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#*(other : UInt16) : self

Returns the result of multiplying self and other.

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#*(other : UInt32) : self

Returns the result of multiplying self and other.

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#*(other : UInt64) : self

Returns the result of multiplying self and other.

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#*(other : UInt128) : self

Returns the result of multiplying self and other.

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#*(other : Float32) : self

Returns the result of multiplying self and other.

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#*(other : Float64) : self

Returns the result of multiplying self and other.

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#**(other : Int32)

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#**(other : Float64)

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#**(other)

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#+(other : Float64) : self

Returns the result of adding self and other.

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#+(other : Float32) : self

Returns the result of adding self and other.

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#+(other : UInt128) : self

Returns the result of adding self and other.

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#+(other : UInt64) : self

Returns the result of adding self and other.

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#+(other : UInt32) : self

Returns the result of adding self and other.

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#+(other : UInt16) : self

Returns the result of adding self and other.

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#+(other : UInt8) : self

Returns the result of adding self and other.

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#+(other : Int128) : self

Returns the result of adding self and other.

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#+(other : Int8) : self

Returns the result of adding self and other.

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#+(other : Int16) : self

Returns the result of adding self and other.

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#+(other : Int32) : self

Returns the result of adding self and other.

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#+(other : Int64) : self

Returns the result of adding self and other.

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#-(other : Int8) : self

Returns the result of subtracting self and other.

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#-(other : Int16) : self

Returns the result of subtracting self and other.

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#-(other : Int32) : self

Returns the result of subtracting self and other.

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#-(other : Int64) : self

Returns the result of subtracting self and other.

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#-(other : Int128) : self

Returns the result of subtracting self and other.

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#-(other : UInt8) : self

Returns the result of subtracting self and other.

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#-(other : UInt16) : self

Returns the result of subtracting self and other.

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#-(other : UInt32) : self

Returns the result of subtracting self and other.

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#-(other : UInt64) : self

Returns the result of subtracting self and other.

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#-(other : UInt128) : self

Returns the result of subtracting self and other.

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#-(other : Float32) : self

Returns the result of subtracting self and other.

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#-(other : Float64) : self

Returns the result of subtracting self and other.

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#/(other : Float32) : Float64

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#/(other : UInt128) : Float64

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#/(other : Int128) : Float64

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#/(other : UInt64) : Float64

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#/(other : Int64) : Float64

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#/(other : UInt32) : Float64

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#/(other : Int32) : Float64

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#/(other : UInt16) : Float64

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#/(other : Int16) : Float64

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#/(other : UInt8) : Float64

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#/(other : Float64) : Float64

Returns the result of division self and other.

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#/(other : BigRational) : BigRational

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#/(other : BigDecimal) : BigDecimal

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#/(other : BigFloat) : BigFloat

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#/(other : BigInt) : BigFloat

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#/(other : Int8) : Float64

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#<(other : Int128) : Bool

Returns true if self is less than other.

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#<(other : Float64) : Bool

Returns true if self is less than other.

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#<(other : Float32) : Bool

Returns true if self is less than other.

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#<(other : UInt128) : Bool

Returns true if self is less than other.

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#<(other : UInt64) : Bool

Returns true if self is less than other.

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#<(other : UInt32) : Bool

Returns true if self is less than other.

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#<(other : UInt8) : Bool

Returns true if self is less than other.

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#<(other : Int8) : Bool

Returns true if self is less than other.

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#<(other : Int16) : Bool

Returns true if self is less than other.

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#<(other : Int32) : Bool

Returns true if self is less than other.

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#<(other : Int64) : Bool

Returns true if self is less than other.

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#<(other : UInt16) : Bool

Returns true if self is less than other.

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#<=(other : UInt32) : Bool

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

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#<=(other : Float64) : Bool

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

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#<=(other : Float32) : Bool

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

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#<=(other : UInt128) : Bool

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

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#<=(other : UInt64) : Bool

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

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#<=(other : UInt16) : Bool

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

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#<=(other : UInt8) : Bool

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

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#<=(other : Int128) : Bool

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

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#<=(other : Int64) : Bool

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

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#<=(other : Int32) : Bool

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

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#<=(other : Int16) : Bool

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

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#<=(other : Int8) : Bool

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

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#==(other : Float64) : Bool

Returns true if self is equal to other.

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#==(other : UInt32) : Bool

Returns true if self is equal to other.

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#==(other : Int8) : Bool

Returns true if self is equal to other.

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#==(other : Int16) : Bool

Returns true if self is equal to other.

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#==(other : Int32) : Bool

Returns true if self is equal to other.

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#==(other : Int64) : Bool

Returns true if self is equal to other.

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#==(other : Int128) : Bool

Returns true if self is equal to other.

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#==(other : UInt8) : Bool

Returns true if self is equal to other.

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#==(other : UInt16) : Bool

Returns true if self is equal to other.

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#==(other : UInt64) : Bool

Returns true if self is equal to other.

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#==(other : UInt128) : Bool

Returns true if self is equal to other.

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#==(other : Float32) : Bool

Returns true if self is equal to other.

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#>(other : UInt32) : Bool

Returns true if self is greater than other.

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#>(other : UInt64) : Bool

Returns true if self is greater than other.

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#>(other : UInt128) : Bool

Returns true if self is greater than other.

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#>(other : Float32) : Bool

Returns true if self is greater than other.

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#>(other : Int32) : Bool

Returns true if self is greater than other.

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#>(other : Float64) : Bool

Returns true if self is greater than other.

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#>(other : UInt16) : Bool

Returns true if self is greater than other.

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#>(other : UInt8) : Bool

Returns true if self is greater than other.

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#>(other : Int128) : Bool

Returns true if self is greater than other.

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#>(other : Int64) : Bool

Returns true if self is greater than other.

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#>(other : Int16) : Bool

Returns true if self is greater than other.

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#>(other : Int8) : Bool

Returns true if self is greater than other.

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#>=(other : UInt32) : Bool

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

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#>=(other : UInt16) : Bool

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

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#>=(other : UInt64) : Bool

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

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#>=(other : UInt128) : Bool

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

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#>=(other : Float32) : Bool

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

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#>=(other : Float64) : Bool

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

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#>=(other : UInt8) : Bool

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

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#>=(other : Int128) : Bool

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

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#>=(other : Int64) : Bool

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

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#>=(other : Int32) : Bool

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

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#>=(other : Int16) : Bool

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

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#>=(other : Int8) : Bool

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

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#ceil

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#clone

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#fdiv(other : Int8) : self

Returns the float division of self and other.

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#fdiv(other : Int16) : self

Returns the float division of self and other.

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#fdiv(other : Int32) : self

Returns the float division of self and other.

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#fdiv(other : Int64) : self

Returns the float division of self and other.

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#fdiv(other : Int128) : self

Returns the float division of self and other.

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#fdiv(other : UInt8) : self

Returns the float division of self and other.

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#fdiv(other : UInt16) : self

Returns the float division of self and other.

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#fdiv(other : UInt32) : self

Returns the float division of self and other.

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#fdiv(other : UInt64) : self

Returns the float division of self and other.

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#fdiv(other : UInt128) : self

Returns the float division of self and other.

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#fdiv(other : Float32) : self

Returns the float division of self and other.

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#fdiv(other : Float64) : self

Returns the float division of self and other.

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#floor

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#round_away

Rounds towards the nearest integer. If both neighboring integers are equidistant, rounds away from zero.

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#round_even : self

Rounds towards the nearest integer. If both neighboring integers are equidistant, rounds towards the even neighbor (Banker's rounding).

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#to_f : Float64

Returns self converted to Float64. Raises OverflowError in case of overflow.

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#to_f! : Float64

Returns self converted to Float64. In case of overflow a wrapping is performed.

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#to_f32 : Float32

Returns self converted to Float32. Raises OverflowError in case of overflow.

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#to_f32! : Float32

Returns self converted to Float32. In case of overflow a wrapping is performed.

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#to_f64 : Float64

Returns self converted to Float64. Raises OverflowError in case of overflow.

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#to_f64! : Float64

Returns self converted to Float64. In case of overflow a wrapping is performed.

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#to_i : Int32

Returns self converted to Int32. Raises OverflowError in case of overflow.

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#to_i! : Int32

Returns self converted to Int32. In case of overflow a wrapping is performed.

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#to_i128 : Int128

Returns self converted to Int128. Raises OverflowError in case of overflow.

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#to_i128! : Int128

Returns self converted to Int128. In case of overflow a wrapping is performed.

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#to_i16 : Int16

Returns self converted to Int16. Raises OverflowError in case of overflow.

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#to_i16! : Int16

Returns self converted to Int16. In case of overflow a wrapping is performed.

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#to_i32 : Int32

Returns self converted to Int32. Raises OverflowError in case of overflow.

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#to_i32! : Int32

Returns self converted to Int32. In case of overflow a wrapping is performed.

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#to_i64 : Int64

Returns self converted to Int64. Raises OverflowError in case of overflow.

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#to_i64! : Int64

Returns self converted to Int64. In case of overflow a wrapping is performed.

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#to_i8 : Int8

Returns self converted to Int8. Raises OverflowError in case of overflow.

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#to_i8! : Int8

Returns self converted to Int8. In case of overflow a wrapping is performed.

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#to_s : String

Returns a string representation of this object.

Descendants must usually not override this method. Instead, they must override to_s(io), which must append to the given IO object.

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#to_s(io : IO) : Nil

Appends a String representation of this object to the given IO object.

An object must never append itself to the io argument, as this will in turn call to_s(io) on it.

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#to_u : UInt32

Returns self converted to UInt32. Raises OverflowError in case of overflow.

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#to_u! : UInt32

Returns self converted to UInt32. In case of overflow a wrapping is performed.

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#to_u128 : UInt128

Returns self converted to UInt128. Raises OverflowError in case of overflow.

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#to_u128! : UInt128

Returns self converted to UInt128. In case of overflow a wrapping is performed.

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#to_u16 : UInt16

Returns self converted to UInt16. Raises OverflowError in case of overflow.

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#to_u16! : UInt16

Returns self converted to UInt16. In case of overflow a wrapping is performed.

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#to_u32 : UInt32

Returns self converted to UInt32. Raises OverflowError in case of overflow.

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#to_u32! : UInt32

Returns self converted to UInt32. In case of overflow a wrapping is performed.

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#to_u64 : UInt64

Returns self converted to UInt64. Raises OverflowError in case of overflow.

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#to_u64! : UInt64

Returns self converted to UInt64. In case of overflow a wrapping is performed.

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#to_u8 : UInt8

Returns self converted to UInt8. Raises OverflowError in case of overflow.

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#to_u8! : UInt8

Returns self converted to UInt8. In case of overflow a wrapping is performed.

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#trunc

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