Merge pull request #11 from vaaaaanquish/add_github_actions

Add Github Actions CI/CD

Author: vaaaaanquish

.github/workflows/test.yml

@@ -0,0 +1,39 @@
+name: test
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    name: Rust ${{ matrix.os }} ${{ matrix.rust }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        rust:
+          - stable
+          - beta
+          - nightly
+        os: [ubuntu-latest, macos-latest]
+    steps:
+    - uses: actions/checkout@v2
+      with:
+          submodules: true
+    - name: Setup Rust
+      uses: actions-rs/toolchain@v1
+      with:
+        profile: minimal
+        toolchain: ${{ matrix.rust }}
+        override: true
+    - name: Build for OS X
+      if: matrix.os == 'macos-latest'
+      run: |
+          brew install cmake
+          brew install libomp
+          cargo build
+    - name: Build for ubuntu
+      if: matrix.os == 'ubuntu-latest'
+      run: |
+          sudo apt-get install -y cmake libclang-dev libc++-dev gcc-multilib
+          cargo build
+    - name: Run tests
+      run: cargo test
+      continue-on-error: ${{ matrix.rust == 'nightly' }}

README.md

@@ -15,13 +15,36 @@ brew install cmake libomp
 ```
 
 Please see below for details.
-https://lightgbm.readthedocs.io/en/latest/Installation-Guide.html
+- [LightGBM Installation-Guide](https://lightgbm.readthedocs.io/en/latest/Installation-Guide.html)
 
 
 
 # Usage
 
-Please see `./examples`.
+Example LightGBM train.
+```
+extern crate serde_json;
+use lightgbm::{Dataset, Booster};
+use serde_json::json;
+
+let data = vec![vec![1.0, 0.1, 0.2, 0.1],
+               vec![0.7, 0.4, 0.5, 0.1],
+               vec![0.9, 0.8, 0.5, 0.1],
+               vec![0.2, 0.2, 0.8, 0.7],
+               vec![0.1, 0.7, 1.0, 0.9]];
+let label = vec![0.0, 0.0, 0.0, 1.0, 1.0];
+let dataset = Dataset::from_mat(data, label).unwrap();
+let params = json!{
+   {
+        "num_iterations": 3,
+        "objective": "binary",
+        "metric": "auc"
+    }
+};
+let bst = Booster::train(dataset, &params).unwrap();
+```
+
+Please see the `./examples` for details.
 
 |example|link|
 |---|---|

src/booster.rs

@@ -164,8 +164,8 @@ mod tests {
         let feature = vec![vec![0.5; 28], vec![0.0; 28], vec![0.9; 28]];
         let result = bst.predict(feature).unwrap();
         let mut normalized_result = Vec::new();
-        for r in result[0]{
-            if r > 0.5{
+        for r in &result[0]{
+            if r > &0.5{
                 normalized_result.push(1);
             } else {
                 normalized_result.push(0);