Contents

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. A value that is NaN (“not a number”) cannot be represented exactly if its payload cannot be encoded exactly.