transforms: facade

Signed-off-by: Christoph Ruegg <git@cdrnet.ch>

src/Managed/IntegralTransforms/Transform.cs

@@ -0,0 +1,81 @@
+// <copyright file="Transform.cs" company="Math.NET">
+// Math.NET Numerics, part of the Math.NET Project
+// http://mathnet.opensourcedotnet.info
+//
+// Copyright (c) 2009 Math.NET
+//
+// Permission is hereby granted, free of charge, to any person
+// obtaining a copy of this software and associated documentation
+// files (the "Software"), to deal in the Software without
+// restriction, including without limitation the rights to use,
+// copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following
+// conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// OTHER DEALINGS IN THE SOFTWARE.
+// </copyright>
+
+namespace MathNet.Numerics.IntegralTransforms
+{
+    using Algorithms;
+
+    /// <summary>
+    /// Integral Transforms (including FFT).
+    /// </summary>
+    public static class Transform
+    {
+        /// <summary>
+        /// Shared internal DET algorithm.
+        /// </summary>
+        private static readonly DiscreteFourierTransform _dft = new DiscreteFourierTransform();
+
+        /// <summary>
+        /// Applies the forward Fast Fourier Transform (FFT) to arbitrary-length sample vectors.
+        /// </summary>
+        /// <param name="samples">Sample vector, where the FFT is evaluated in place.</param>
+        public static void FourierForward(Complex[] samples)
+        {
+            _dft.BluesteinForward(samples, FourierOptions.Default);
+        }
+
+        /// <summary>
+        /// Applies the forward Fast Fourier Transform (FFT) to arbitrary-length sample vectors.
+        /// </summary>
+        /// <param name="samples">Sample vector, where the FFT is evaluated in place.</param>
+        /// <param name="options">Fourier Transform Convention Options.</param>
+        public static void FourierForward(Complex[] samples, FourierOptions options)
+        {
+            _dft.BluesteinForward(samples, options);
+        }
+
+        /// <summary>
+        /// Applies the inverse Fast Fourier Transform (iFFT) to arbitrary-length sample vectors.
+        /// </summary>
+        /// <param name="samples">Sample vector, where the FFT is evaluated in place.</param>
+        public static void FourierInverse(Complex[] samples)
+        {
+            _dft.BluesteinInverse(samples, FourierOptions.Default);
+        }
+
+        /// <summary>
+        /// Applies the inverse Fast Fourier Transform (iFFT) to arbitrary-length sample vectors.
+        /// </summary>
+        /// <param name="samples">Sample vector, where the FFT is evaluated in place.</param>
+        /// <param name="options">Fourier Transform Convention Options.</param>
+        public static void FourierInverse(Complex[] samples, FourierOptions options)
+        {
+            _dft.BluesteinInverse(samples, options);
+        }
+    }
+}

src/Managed/Managed.csproj

@@ -59,6 +59,7 @@
     <Compile Include="IntegralTransforms\Algorithms\DiscreteFourierTransform.Bluestein.cs" />
     <Compile Include="IntegralTransforms\Algorithms\DiscreteFourierTransform.Naive.cs" />
     <Compile Include="IntegralTransforms\Algorithms\DiscreteFourierTransform.RadixN.cs" />
+    <Compile Include="IntegralTransforms\Transform.cs" />
     <Compile Include="IntegralTransforms\FourierOptions.cs" />
     <Compile Include="Integration\Algorithms\DoubleExponentialTransformation.cs" />
     <Compile Include="Integration\Algorithms\SimpsonRule.cs" />

src/Native/Native.csproj

@@ -86,6 +86,9 @@
     <Compile Include="..\Managed\IntegralTransforms\FourierOptions.cs">
       <Link>IntegralTransforms\FourierOptions.cs</Link>
     </Compile>
+    <Compile Include="..\Managed\IntegralTransforms\Transform.cs">
+      <Link>IntegralTransforms\Transform.cs</Link>
+    </Compile>
     <Compile Include="..\Managed\Integration\Algorithms\DoubleExponentialTransformation.cs">
       <Link>Integration\Algorithms\DoubleExponentialTransformation.cs</Link>
     </Compile>