[5.1] Collected Accelerate overlay work

stdlib/public/Darwin/Accelerate/Accelerate.swift

@@ -0,0 +1,32 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the Swift.org open source project
+//
+// Copyright (c) 2014 - 2019 Apple Inc. and the Swift project authors
+// Licensed under Apache License v2.0 with Runtime Library Exception
+//
+// See https://swift.org/LICENSE.txt for license information
+// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
+//
+//===----------------------------------------------------------------------===//
+
+/// An enum that acts as a namespace for Swift overlays to vImage option sets and enums..
+public enum vImage {}
+
+/// An enum that acts as a namespace for Swift overlays to vDSP based functions.
+public enum vDSP {}
+
+/// An enum that acts as a namespace for Swift overlays to vForce based functions.
+public enum vForce {}
+
+extension vDSP {
+    @available(iOS 9999, OSX 9999, tvOS 9999, watchOS 9999, *)
+    public struct VectorizableFloat {
+        public typealias Scalar = Float
+    }
+
+    @available(iOS 9999, OSX 9999, tvOS 9999, watchOS 9999, *)
+    public struct VectorizableDouble {
+        public typealias Scalar = Double
+    }
+}

stdlib/public/Darwin/Accelerate/AccelerateBuffer.swift

@@ -0,0 +1,84 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the Swift.org open source project
+//
+// Copyright (c) 2019 Apple Inc. and the Swift project authors
+// Licensed under Apache License v2.0 with Runtime Library Exception
+//
+// See https://swift.org/LICENSE.txt for license information
+// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
+//
+//===----------------------------------------------------------------------===//
+
+/// An object composed of count elements that are stored contiguously in memory.
+///
+/// In practice, most types conforming to this protocol will be Collections,
+/// but they need not be--they need only have an Element type and count, and
+/// provide the withUnsafeBufferPointer function.
+@available(iOS 9999, macOS 9999, tvOS 9999, watchOS 9999, *)
+public protocol AccelerateBuffer {
+    /// The buffer's element type.
+    associatedtype Element
+
+    /// The number of elements in the buffer.
+    var count: Int { get }
+
+    /// Calls a closure with a pointer to the object's contiguous storage.
+    func withUnsafeBufferPointer<R>(
+        _ body: (UnsafeBufferPointer<Element>) throws -> R
+        ) rethrows -> R
+}
+
+/// A mutable object composed of count elements that are stored contiguously
+/// in memory.
+///
+/// In practice, most types conforming to this protocol will be
+/// MutableCollections, but they need not be.
+@available(iOS 9999, macOS 9999, tvOS 9999, watchOS 9999, *)
+public protocol AccelerateMutableBuffer: AccelerateBuffer {
+    /// Calls the given closure with a pointer to the object's mutable
+    /// contiguous storage.
+    mutating func withUnsafeMutableBufferPointer<R>(
+        _ body: (inout UnsafeMutableBufferPointer<Element>) throws -> R
+        ) rethrows -> R
+}
+
+@available(iOS 9999, macOS 9999, tvOS 9999, watchOS 9999, *)
+public extension AccelerateBuffer where Self: Collection {
+    func withUnsafeBufferPointer<R>(
+        _ body: (UnsafeBufferPointer<Element>) throws -> R
+        ) rethrows -> R {
+        return try withContiguousStorageIfAvailable(body)!
+    }
+}
+
+@available(iOS 9999, macOS 9999, tvOS 9999, watchOS 9999, *)
+extension AccelerateMutableBuffer where Self: MutableCollection {
+    public mutating func withUnsafeMutableBufferPointer<R>(
+        _ body: (inout UnsafeMutableBufferPointer<Element>) throws -> R
+        ) rethrows -> R {
+        return try withContiguousMutableStorageIfAvailable(body)!
+    }
+}
+
+@available(iOS 9999, macOS 9999, tvOS 9999, watchOS 9999, *)
+extension Array: AccelerateMutableBuffer { }
+
+@available(iOS 9999, macOS 9999, tvOS 9999, watchOS 9999, *)
+extension ContiguousArray: AccelerateMutableBuffer { }
+
+@available(iOS 9999, macOS 9999, tvOS 9999, watchOS 9999, *)
+extension ArraySlice: AccelerateMutableBuffer { }
+
+@available(iOS 9999, macOS 9999, tvOS 9999, watchOS 9999, *)
+extension UnsafeBufferPointer: AccelerateBuffer { }
+
+@available(iOS 9999, macOS 9999, tvOS 9999, watchOS 9999, *)
+extension UnsafeMutableBufferPointer: AccelerateMutableBuffer { }
+
+@available(iOS 9999, macOS 9999, tvOS 9999, watchOS 9999, *)
+extension Slice: AccelerateBuffer where Base: AccelerateBuffer { }
+
+@available(iOS 9999, macOS 9999, tvOS 9999, watchOS 9999, *)
+extension Slice: AccelerateMutableBuffer
+where Base: AccelerateMutableBuffer & MutableCollection { }

stdlib/public/Darwin/Accelerate/CMakeLists.txt

@@ -2,8 +2,42 @@ cmake_minimum_required(VERSION 3.4.3)
 include("../../../../cmake/modules/StandaloneOverlay.cmake")
 
 add_swift_target_library(swiftAccelerate ${SWIFT_SDK_OVERLAY_LIBRARY_BUILD_TYPES} IS_SDK_OVERLAY
+  Accelerate.swift
   BNNS.swift.gyb
 
+  vImage_Error.swift
+  vImage_Options.swift
+  vImage_Buffer.swift
+  vImage_CVImageFormat.swift
+  vImage_CGImageFormat.swift
+  vImage_Converter.swift
+  AccelerateBuffer.swift
+  Quadrature.swift
+  vDSP_Arithmetic.swift
+  vDSP_Biquad.swift
+  vDSP_ClippingLimitThreshold.swift
+  vDSP_ComplexConversion.swift
+  vDSP_ComplexOperations.swift
+  vDSP_Conversion.swift
+  vDSP_Convolution.swift
+  vDSP_DCT.swift
+  vDSP_DFT.swift
+  vDSP_DecibelConversion.swift
+  vDSP_FFT.swift
+  vDSP_FFT_DFT_Common.swift
+  vDSP_FIR.swift
+  vDSP_FillClearGenerate.swift
+  vDSP_Geometry.swift
+  vDSP_Integration.swift
+  vDSP_Interpolation.swift
+  vDSP_PolarRectangularConversion.swift
+  vDSP_PolynomialEvaluation.swift
+  vDSP_RecursiveFilters.swift
+  vDSP_Reduction.swift
+  vDSP_SingleVectorOperations.swift
+  vDSP_SlidingWindow.swift
+  vForce_Operations.swift
+
   SWIFT_COMPILE_FLAGS "${SWIFT_RUNTIME_SWIFT_COMPILE_FLAGS}"
   LINK_FLAGS "${SWIFT_RUNTIME_SWIFT_LINK_FLAGS}"
   TARGET_SDKS OSX IOS IOS_SIMULATOR TVOS TVOS_SIMULATOR WATCHOS WATCHOS_SIMULATOR
@@ -13,6 +47,8 @@ add_swift_target_library(swiftAccelerate ${SWIFT_SDK_OVERLAY_LIBRARY_BUILD_TYPES
   SWIFT_MODULE_DEPENDS_TVOS Darwin CoreFoundation CoreGraphics Dispatch Foundation Metal ObjectiveC os # auto-updated
   SWIFT_MODULE_DEPENDS_WATCHOS Darwin CoreFoundation CoreGraphics Dispatch Foundation ObjectiveC os # auto-updated
 
+  FRAMEWORK_DEPENDS Accelerate
+
   DEPLOYMENT_VERSION_OSX ${SWIFTLIB_DEPLOYMENT_VERSION_SIMD_OSX}
   DEPLOYMENT_VERSION_IOS ${SWIFTLIB_DEPLOYMENT_VERSION_SIMD_IOS}
   DEPLOYMENT_VERSION_TVOS ${SWIFTLIB_DEPLOYMENT_VERSION_SIMD_TVOS}