<http://thread.gmane.org/gmane.comp.lang.swift.evolution/2199/focus=18327>
I hope it's not too late to submit a proposal.
[stdlib/public/core/FloatingPointTypes.swift.gyb]
public struct Float32: BinaryFloatingPoint
public struct Float64: BinaryFloatingPoint
public struct Float80: BinaryFloatingPoint
[stdlib/public/core/CTypes.swift]
public typealias CFloat = Float32
public typealias CDouble = Float64
public typealias CLongDouble = Float80
[stdlib/public/core/Policy.swift]
/// The default type for an otherwise-
/// unconstrained floating point literal.
public typealias FloatLiteralType = Float64
Clang importer example:
/// The measurement value, represented as a
/// double-precision floating-point number.
public var doubleValue: CDouble { get }
Alternatives:
* IEEE 754 names: `Binary64` (or `Bin64`), etc.
* DEC64 <http://dec64.com> as the default number type!
-- Ben
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