initial commit

Sources/PFFFT/Setup.swift

@@ -0,0 +1,15 @@
+internal import PFFFTLib
+
+public class Setup {
+    let ptr: OpaquePointer
+    let n: Int
+
+    init<T: FFTElement>(n: Int, type: T.Type) throws {
+        ptr = try type.pffftSetup(n, .real)
+        self.n = n
+    }
+
+    deinit {
+        pffft_destroy_setup(ptr)
+    }
+}