Merge pull request #1 from yoshikaz1228/feature-swift-package-manager

Feature swift package manager

.gitignore

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+.DS_Store
+/.build
+/Packages
+/*.xcodeproj
+xcuserdata/
+DerivedData/
+.swiftpm/config/registries.json
+.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
+.netrc

LICENSE

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+MIT License
+
+Copyright (c) 2021 uhooi
+
+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.

Package.swift

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+// swift-tools-version: 5.6
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "Sigmoid",
+    products: [
+        // Products define the executables and libraries a package produces, and make them visible to other packages.
+        .library(
+            name: "Sigmoid",
+            targets: ["Sigmoid"]),
+    ],
+    dependencies: [
+        // Dependencies declare other packages that this package depends on.
+        // .package(url: /* package url */, from: "1.0.0"),
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+        // Targets can depend on other targets in this package, and on products in packages this package depends on.
+        .target(
+            name: "Sigmoid",
+            dependencies: []),
+        .testTarget(
+            name: "SigmoidTests",
+            dependencies: ["Sigmoid"]),
+    ]
+)

README.md

@@ -1,8 +1,12 @@
+[![CI](https://github.com/yoshikaz1228/Sigmoid/actions/workflows/main.yml/badge.svg?branch=main)](https://github.com/yoshikaz1228/Sigmoid/actions/workflows/main.yml)
+[![Release](https://img.shields.io/github/v/release/yoshikaz1228/Sigmoid)](https://github.com/yoshikaz1228/Sigmoid/releases/latest)
+[![License](https://img.shields.io/github/license/yoshikaz1228/Sigmoid)](https://github.com/yoshikaz1228/Sigmoid/blob/main/LICENSE)
+
 # Sigmoid
 implement sigmoid for swift.
 
 ## For example
 ```
-var sigmoid = Sigmoid()
-print(sigmoid.sigmoid(x:0.2))
+let a = 1.0
+let b = a.sigmoid()
 ```

Sources/Sigmoid/Sigmoid.swift

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+//
+//  File.swift
+//  Sigmoid
+//
+//  Created by Yoshikaz Matsubara on 2022/08/07.
+//
+
+import Foundation
+extension Double {
+    public func sigmoid() -> Double {
+        return 1/(1+pow(M_E,-1.0 * self))
+    }
+}

Tests/SigmoidTests/SigmoidTests.swift

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+import XCTest
+@testable import Sigmoid
+
+final class SigmoidTests: XCTestCase {
+    func testExample() throws {
+        // This is an example of a functional test case.
+        // Use XCTAssert and related functions to verify your tests produce the correct
+        // results.
+        var double: Double = 0.0
+        XCTAssertEqual(double.sigmoid(), 0.5)
+
+        double = 1.0
+        XCTAssertEqual(double.sigmoid(), 0.7310585786300049)
+
+        double = -1.0
+        XCTAssertEqual(double.sigmoid(), 0.2689414213699951)
+    }
+}

workflows/main.yml

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+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+env:
+  DEVELOPER_DIR: /Applications/Xcode_13.4.1.app
+
+jobs:
+  build:
+    runs-on: macOS-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Build
+      run: swift build -v
+
+  test:
+    runs-on: macOS-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Test
+      run: swift test -v