Generic Initializer

init(exactly:)

Creates a new instance from the given value, if it can be represented exactly.

Declaration

init?<Source>(exactly value: Source) where Source : BinaryFloatingPoint

Parameters

value

A floating-point value to be converted.

Discussion

If the given floating-point value cannot be represented exactly, the result is nil.

See Also

Converting with No Loss of Precision

init?(exactly: Double)

Creates a new instance initialized to the given value, if it can be represented without rounding.

init?(exactly: Float)

Creates a new instance initialized to the given value, if it can be represented without rounding.

init?(exactly: Float80)

Creates a new instance initialized to the given value, if it can be represented without rounding.

init?<Source>(exactly: Source)

Creates a new value, if the given integer can be represented exactly.