before protocol removal

Packages/PFFFT/Package.swift

@@ -6,12 +6,14 @@ import PackageDescription
 let package = Package(
     name: "PFFFT",
     products: [
-        // Products define the executables and libraries a package produces, making them visible to other packages.
         .library(
             name: "PFFFT",
             targets: ["PFFFT", "PFFFTLib"]
         ),
     ],
+    dependencies: [
+        .package(url: "https://github.com/apple/swift-numerics", from: "1.0.0"),
+    ],
     targets: [
         .target(
             name: "PFFFTLib",
@@ -25,7 +27,7 @@ let package = Package(
         ),
         .target(
             name: "PFFFT",
-            dependencies: ["PFFFTLib"]
+            dependencies: ["PFFFTLib", .product(name: "Numerics", package: "swift-numerics")]
         ),
         .testTarget(
             name: "PFFFTTests",