initial commit

Sources/PFFFT/PFFFT.swift

@@ -0,0 +1,22 @@
+internal import PFFFTLib
+
+extension pffft_transform_t {
+    @inline(__always)
+    init(_ type: FFTType) {
+        switch type {
+        case .real: self = PFFFT_REAL
+        case .complex: self = PFFFT_COMPLEX
+        }
+    }
+}
+
+extension pffft_direction_t {
+    @inline(__always)
+    init(_ sign: FFTSign) {
+        switch sign {
+        case .forward: self = PFFFT_FORWARD
+        case .backward: self = PFFFT_BACKWARD
+        }
+    }
+}
+