Enable web support

Author: xtyxtyx

.gitignore

@@ -67,3 +67,5 @@ fastlane/screenshots
 fastlane/test_output
 
 SwiftMath.xcodeproj/
+
+.vscode

.swift-format

@@ -0,0 +1,11 @@
+{
+    "version": 1,
+    "lineLength": 100,
+    "indentation": {
+        "spaces": 4
+    },
+    "maximumBlankLines": 1,
+    "respectsExistingLineBreaks": true,
+    "lineBreakBeforeControlFlowKeywords": false,
+    "lineBreakBeforeEachArgument": true
+}

Sources/Matrix3x3+nosimd.swift

@@ -8,7 +8,7 @@
 
 #if NOSIMD
 @frozen
-public struct Matrix3x3f {
+public struct Matrix3x3f: Hashable {
     public var m11: Float = 0.0
     public var m12: Float = 0.0
     public var m13: Float = 0.0
@@ -203,19 +203,4 @@ public struct Matrix3x3f {
     }
 
 }
-    
-extension Matrix3x3f: Equatable {
-    public static func ==(lhs: Matrix3x3f, rhs: Matrix3x3f) -> Bool {
-        if lhs.m11 != rhs.m11 { return false }
-        if lhs.m12 != rhs.m12 { return false }
-        if lhs.m13 != rhs.m13 { return false }
-        if lhs.m21 != rhs.m21 { return false }
-        if lhs.m22 != rhs.m22 { return false }
-        if lhs.m23 != rhs.m23 { return false }
-        if lhs.m31 != rhs.m31 { return false }
-        if lhs.m32 != rhs.m32 { return false }
-        if lhs.m33 != rhs.m33 { return false }
-        return true
-    }
-}
 #endif

Sources/Vector2+nosimd.swift

@@ -12,10 +12,12 @@
 import Darwin
 #elseif os(Linux) || os(Android)
 import Glibc
+#elseif canImport(WASILibc)
+import WASILibc
 #endif
 
     @frozen
-    public struct Vector2f {
+    public struct Vector2f: Hashable {
         public var x: Float = 0.0
         public var y: Float = 0.0
 

Sources/Vector3+nosimd.swift

@@ -9,13 +9,15 @@
 #if NOSIMD
 
 #if (os(OSX) || os(iOS) || os(tvOS) || os(watchOS))
-import Darwin
+    import Darwin
 #elseif os(Linux) || os(Android)
-import Glibc
+    import Glibc
+#elseif canImport(WASILibc)
+    import WASILibc
 #endif
 
 @frozen
-public struct Vector3f {
+public struct Vector3f: Hashable {
     public var x: Float = 0.0
     public var y: Float = 0.0
     public var z: Float = 0.0

Sources/Vector4+nosimd.swift

@@ -11,10 +11,12 @@
 import Darwin
 #elseif os(Linux) || os(Android)
 import Glibc
+#elseif canImport(WASILibc)
+import WASILibc
 #endif
 
 @frozen
-public struct Vector4f {
+public struct Vector4f: Hashable {
     public var x: Float = 0.0
     public var y: Float = 0.0
     public var z: Float = 0.0

Sources/easing.swift

@@ -10,6 +10,8 @@
 import Darwin
 #elseif os(Linux) || os(Android)
 import Glibc
+#elseif canImport(WASILibc)
+  import WASILibc
 #endif
 
 // MARK: Linear

Sources/platform.swift

@@ -89,6 +89,31 @@ internal func __tanpif(_ a: Float) -> Float {
 
 import Darwin
 
+#elseif canImport(WASILibc)
+
+import WASILibc
+
+@inline(__always)
+internal func __sincospif(_ a: Float, _ sina: inout Float, _ cosa: inout Float) {
+    sina = sin(a * Float.pi)
+    cosa = cos(a * Float.pi)
+}
+
+@inline(__always)
+internal func __sinpif(_ a: Float) -> Float {
+    return sin(a * Float.pi)
+}
+
+@inline(__always)
+internal func __cospif(_ a: Float) -> Float {
+    return cos(a * Float.pi)
+}
+
+@inline(__always)
+internal func __tanpif(_ a: Float) -> Float {
+    return tan(a * Float.pi)
+}
+
 #endif
 
 public func sincos(_ a: Angle, _ sina: inout Float, _ cosa: inout Float)  {

Sources/random.swift

@@ -31,6 +31,17 @@ internal func arc4random() -> UInt32 {
 internal func arc4random_uniform(_ val: UInt32) -> UInt32 {
     return UInt32.random(in: 0...val)
 }
+
+#elseif canImport(WASILibc)
+    import WASILibc
+
+    internal func arc4random() -> UInt32 {
+        return UInt32(random())
+    }
+
+    internal func arc4random_uniform(_ val: UInt32) -> UInt32 {
+        return UInt32(random()) % val
+    }
 #endif
 
 // each type has its own random