Rework of StdlibInt+Floats.swift tests (#108) (#110).

Sources/TestKit2/Global+Types.swift

@@ -38,6 +38,11 @@ public let typesAsCoreIntegersAsUnsigned: [any CoreIntegerAsUnsigned.Type] = [
 // MARK: + Floats
 //=----------------------------------------------------------------------------=
 
+public let typesAsSwiftIEEE754: [any SwiftIEEE754.Type] = [
+    Float32.self,
+    Float64.self,
+]
+
 public let typesAsSwiftBinaryFloatingPoint: [any Swift.BinaryFloatingPoint.Type] = [
     Float32.self,
     Float64.self,

Sources/TestKit2/Protocols/SwiftIEEE754.swift

@@ -0,0 +1,29 @@
+//=----------------------------------------------------------------------------=
+// This source file is part of the Ultimathnum open source project.
+//
+// Copyright (c)  2023 Oscar Byström Ericsson
+// Licensed under Apache License, Version 2.0
+//
+// See http://www.apache.org/licenses/LICENSE-2.0 for license information.
+//=----------------------------------------------------------------------------=
+
+//*============================================================================*
+// MARK: * Swift IEEE 754
+//*============================================================================*
+
+public protocol SwiftIEEE754: Swift.BinaryFloatingPoint {
+
+    //=------------------------------------------------------------------------=
+    // MARK: Initializers
+    //=------------------------------------------------------------------------=
+
+    static func random(in range:       Range<Self>, using randomness: inout some Swift.RandomNumberGenerator) -> Self
+    static func random(in range: ClosedRange<Self>, using randomness: inout some Swift.RandomNumberGenerator) -> Self
+}
+
+//*============================================================================*
+// MARK: * Swift IEEE 754 x Models
+//*============================================================================*
+
+extension Float32: SwiftIEEE754 { }
+extension Float64: SwiftIEEE754 { }