Double
For Common, JVM, JS
Represents a double-precision 64-bit IEEE 754 floating point number.
On the JVM, non-nullable values of this type are represented as values of the primitive type
double
.
For Native
Represents a double-precision 64-bit IEEE 754 floating point number.
Functions
compareTo
Compares this value with the specified value for order. Returns zero if this value is equal to the specified other value, a negative number if it's less than other, or a positive number if it's greater than other.
operator
fun
compareTo
(
other
:
Byte
)
:
Int
operator
fun
compareTo
(
other
:
Short
)
:
Int
operator
fun
compareTo
(
other
:
Int
)
:
Int
operator
fun
compareTo
(
other
:
Long
)
:
Int
operator
fun
compareTo
(
other
:
Float
)
:
Int
operator
fun
compareTo
(
other
:
Double
)
:
Int
dec
Returns this value decremented by one.
operator
fun
dec
(
)
:
Double
div
Divides this value by the other value.
operator
fun
div
(
other
:
Byte
)
:
Double
operator
fun
div
(
other
:
Short
)
:
Double
operator
fun
div
(
other
:
Int
)
:
Double
operator
fun
div
(
other
:
Long
)
:
Double
operator
fun
div
(
other
:
Float
)
:
Double
operator
fun
div
(
other
:
Double
)
:
Double
equals
fun
equals
(
other
:
Double
)
:
Boolean
Indicates whether some other object is "equal to" this one. Implementations must fulfil the following requirements:
fun
equals
(
other
:
Any
?
)
:
Boolean
hashCode
Returns a hash code value for the object. The general contract of
hashCode
is:
fun
hashCode
(
)
:
Int
inc
Returns this value incremented by one.
operator
fun
inc
(
)
:
Double
minus
Subtracts the other value from this value.
operator
fun
minus
(
other
:
Byte
)
:
Double
operator
fun
minus
(
other
:
Short
)
:
Double
operator
fun
minus
(
other
:
Int
)
:
Double
operator
fun
minus
(
other
:
Long
)
:
Double
operator
fun
minus
(
other
:
Float
)
:
Double
operator
fun
minus
(
other
:
Double
)
:
Double
plus
Adds the other value to this value.
operator
fun
plus
(
other
:
Byte
)
:
Double
operator
fun
plus
(
other
:
Short
)
:
Double
operator
fun
plus
(
other
:
Int
)
:
Double
operator
fun
plus
(
other
:
Long
)
:
Double
operator
fun
plus
(
other
:
Float
)
:
Double
operator
fun
plus
(
other
:
Double
)
:
Double
rem
Calculates the remainder of truncating division of this value (dividend) by the other value (divisor).
operator
fun
rem
(
other
:
Byte
)
:
Double
operator
fun
rem
(
other
:
Short
)
:
Double
operator
fun
rem
(
other
:
Int
)
:
Double
operator
fun
rem
(
other
:
Long
)
:
Double
operator
fun
rem
(
other
:
Float
)
:
Double
operator
fun
rem
(
other
:
Double
)
:
Double
times
Multiplies this value by the other value.
operator
fun
times
(
other
:
Byte
)
:
Double
operator
fun
times
(
other
:
Short
)
:
Double
operator
fun
times
(
other
:
Int
)
:
Double
operator
fun
times
(
other
:
Long
)
:
Double
operator
fun
times
(
other
:
Float
)
:
Double
operator
fun
times
(
other
:
Double
)
:
Double
toDouble
Returns this value.
fun
toDouble
(
)
:
Double
toString
Returns a string representation of the object.
fun
toString
(
)
:
String
unaryMinus
Returns the negative of this value.
operator
fun
unaryMinus
(
)
:
Double
unaryPlus
Returns this value.
operator
fun
unaryPlus
(
)
:
Double
Companion Object Properties
MAX_VALUE
A constant holding the largest positive finite value of Double.
const
val
MAX_VALUE
:
Double
MIN_VALUE
A constant holding the smallest positive nonzero value of Double.
const
val
MIN_VALUE
:
Double
NaN
A constant holding the "not a number" value of Double.
const
val
NaN
:
Double
NEGATIVE_INFINITY
A constant holding the negative infinity value of Double.
const
val
NEGATIVE_INFINITY
:
Double
POSITIVE_INFINITY
A constant holding the positive infinity value of Double.
const
val
POSITIVE_INFINITY
:
Double
SIZE_BITS
The number of bits used to represent an instance of Double in a binary form.
const
val
SIZE_BITS
:
Int
SIZE_BYTES
The number of bytes used to represent an instance of Double in a binary form.
const
val
SIZE_BYTES
:
Int
Extension Properties
Extension Functions
coerceAtLeast
Ensures that this value is not less than the specified minimumValue .
fun
Double
.
coerceAtLeast
(
minimumValue
:
Double
)
:
Double
fun
<
T
:
Comparable
<
T
>
>
T
.
coerceAtLeast
(
minimumValue
:
T
)
:
T
coerceAtMost
Ensures that this value is not greater than the specified maximumValue .
fun
Double
.
coerceAtMost
(
maximumValue
:
Double
)
:
Double
fun
<
T
:
Comparable
<
T
>
>
T
.
coerceAtMost
(
maximumValue
:
T
)
:
T
coerceIn
Ensures that this value lies in the specified range minimumValue .. maximumValue .
fun
Double
.
coerceIn
(
minimumValue
:
Double
,
maximumValue
:
Double
)
:
Double
fun
<
T
:
Comparable
<
T
>
>
T
.
coerceIn
(
minimumValue
:
T
?
,
maximumValue
:
T
?
)
:
T
Ensures that this value lies in the specified range .
fun
<
T
:
Comparable
<
T
>
>
T
.
coerceIn
(
range
:
ClosedFloatingPointRange
<
T
>
)
:
T
fun
<
T
:
Comparable
<
T
>
>
T
.
coerceIn
(
range
:
ClosedRange
<
T
>
)
:
T
compareTo
Compares this object with the specified object for order. Returns zero if this object is equal to the specified other object, a negative number if it's less than other , or a positive number if it's greater than other .
infix
fun
<
T
>
Comparable
<
T
>
.
compareTo
(
other
:
T
)
:
Int
mod
Calculates the remainder of flooring division of this value (dividend) by the other value (divisor).
fun
Double
.
mod
(
other
:
Float
)
:
Double
fun
Double
.
mod
(
other
:
Double
)
:
Double
rangeTo
Creates a range from this Double value to the specified that value.
operator
fun
Double
.
rangeTo
(
that
:
Double
)
:
ClosedFloatingPointRange
<
Double
>
Creates a range from this Comparable value to the specified that value.
operator
fun
<
T
:
Comparable
<
T
>
>
T
.
rangeTo
(
that
:
T
)
:
ClosedRange
<
T
>
rangeUntil
Creates an open-ended range from this Double value to the specified that value.
operator
fun
Double
.
rangeUntil
(
that
:
Double
)
:
OpenEndRange
<
Double
>
Creates an open-ended range from this Comparable value to the specified that value.
operator
fun
<
T
:
Comparable
<
T
>
>
T
.
rangeUntil
(
that
:
T
)
:
OpenEndRange
<
T
>
toBigDecimal
Returns the value of this Double number as a BigDecimal .
fun
Double
.
toBigDecimal
(
)
:
BigDecimal
fun
Double
.
toBigDecimal
(
mathContext
:
MathContext
)
:
BigDecimal
toDuration
Returns a Duration equal to this Double number of the specified unit .
fun
Double
.
toDuration
(
unit
:
DurationUnit
)
:
Duration