Package FastTree. (#2764)

* Package FastTree.

* Add native code to the package and include fasttree nuget instructions in samples.

Author: codemzs

docs/samples/Microsoft.ML.Samples/Dynamic/FastTreeRegression.cs

@@ -6,6 +6,7 @@ namespace Microsoft.ML.Samples.Dynamic
 {
     public static class FastTreeRegression
     {
+        // This example requires installation of additional nuget package <a href="https://www.nuget.org/packages/Microsoft.ML.FastTree/">Microsoft.ML.FastTree</a>.
         public static void Example()
         {
             // Create a new ML context, for ML.NET operations. It can be used for exception tracking and logging, 

docs/samples/Microsoft.ML.Samples/Static/FastTreeBinaryClassification.cs

@@ -6,6 +6,7 @@ namespace Microsoft.ML.Samples.Static
 {
     public class FastTreeBinaryClassificationExample
     {
+        // This example requires installation of additional nuget package <a href="https://www.nuget.org/packages/Microsoft.ML.FastTree/">Microsoft.ML.FastTree</a>.
         public static void FastTreeBinaryClassification()
         {
             // Downloading a classification dataset from github.com/dotnet/machinelearning.

docs/samples/Microsoft.ML.Samples/Static/FastTreeRegression.cs

@@ -8,6 +8,7 @@ namespace Microsoft.ML.Samples.Static
 {
     public class FastTreeRegressionExample
     {
+        // This example requires installation of additional nuget package <a href="https://www.nuget.org/packages/Microsoft.ML.FastTree/">Microsoft.ML.FastTree</a>.
         public static void FastTreeRegression()
         {
             // Downloading a regression dataset from github.com/dotnet/machinelearning

pkg/Microsoft.ML.FastTree/Microsoft.ML.FastTree.nupkgproj

@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk" DefaultTargets="Pack">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+    <PackageDescription>ML.NET component for FastTree</PackageDescription>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="../Microsoft.ML/Microsoft.ML.nupkgproj" />
+  </ItemGroup>
+
+</Project>

pkg/Microsoft.ML.FastTree/Microsoft.ML.FastTree.symbols.nupkgproj

@@ -0,0 +1,5 @@
+<Project DefaultTargets="Pack">
+
+  <Import Project="Microsoft.ML.FastTree.nupkgproj" />
+
+</Project>

pkg/Microsoft.ML.LightGBM/Microsoft.ML.LightGBM.nupkgproj

@@ -7,6 +7,7 @@
 
   <ItemGroup>
     <ProjectReference Include="../Microsoft.ML/Microsoft.ML.nupkgproj" />
+    <ProjectReference Include="../Microsoft.ML.FastTree/Microsoft.ML.FastTree.nupkgproj" />
     <PackageReference Include="LightGBM" Version="$(LightGBMPackageVersion)" />
   </ItemGroup>
 

pkg/Microsoft.ML.StaticPipe/Microsoft.ML.StaticPipe.nupkgproj

@@ -9,6 +9,7 @@
     <ProjectReference Include="../Microsoft.ML/Microsoft.ML.nupkgproj" />
     <ProjectReference Include="../Microsoft.ML.ImageAnalytics/Microsoft.ML.ImageAnalytics.nupkgproj" />
     <ProjectReference Include="../Microsoft.ML.Recommender/Microsoft.ML.Recommender.nupkgproj" />
+    <ProjectReference Include="../Microsoft.ML.FastTree/Microsoft.ML.FastTree.nupkgproj" />
   </ItemGroup>
 
 </Project>

src/Microsoft.ML.FastTree/Microsoft.ML.FastTree.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
-    <IncludeInPackage>Microsoft.ML</IncludeInPackage>
+    <IncludeInPackage>Microsoft.ML.FastTree</IncludeInPackage>
     <DefineConstants>$(DefineConstants);USE_FASTTREENATIVE;NO_STORE;CORECLR</DefineConstants>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>

src/Native/build.proj

@@ -85,8 +85,6 @@
     </ItemGroup>
 
     <ItemGroup>
-      <NativePackageAsset Include="$(NativeAssetsBuiltPath)\$(NativeLibPrefix)FastTreeNative$(NativeLibExtension)"
-                          RelativePath="Microsoft.ML\runtimes\$(PackageRid)\native" />
       <NativePackageAsset Include="$(NativeAssetsBuiltPath)\$(NativeLibPrefix)LdaNative$(NativeLibExtension)"
                           RelativePath="Microsoft.ML\runtimes\$(PackageRid)\native" />
       <NativePackageAsset Include="$(NativeAssetsBuiltPath)\$(NativeLibPrefix)FactorizationMachineNative$(NativeLibExtension)"
@@ -97,6 +95,8 @@
                           RelativePath="Microsoft.ML.Mkl.Redist\runtimes\$(PackageRid)\native" />                         
       <NativePackageAsset Include="$(NativeAssetsBuiltPath)\$(NativeLibPrefix)MatrixFactorizationNative$(NativeLibExtension)"
                           RelativePath="Microsoft.ML.Recommender\runtimes\$(PackageRid)\native" />
+      <NativePackageAsset Include="$(NativeAssetsBuiltPath)\$(NativeLibPrefix)FastTreeNative$(NativeLibExtension)"
+                          RelativePath="Microsoft.ML.FastTree\runtimes\$(PackageRid)\native" />
     </ItemGroup>
 
     <ItemGroup>