Added float implementations

FastRng/Float/Distributions/CauchyLorentzX0.cs

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+using System;
+
+namespace FastRng.Float.Distributions
+{
+    public sealed class CauchyLorentzX0 : Distribution
+    {
+        private const float CONSTANT = 0.31f;
+        private const float SCALE = 0.1f;
+        private const float MEDIAN = 0.0f;
+
+        protected override float ShapeFunction(float x) => CONSTANT * (1.0f / (MathF.PI * SCALE)) * ((SCALE * SCALE) / (MathF.Pow(x - MEDIAN, 2f) + (SCALE * SCALE)));
+    }
+}

FastRng/Float/Distributions/CauchyLorentzX1.cs

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+using System;
+
+namespace FastRng.Float.Distributions
+{
+    public sealed class CauchyLorentzX1 : Distribution
+    {
+        private const float CONSTANT = 0.31f;
+        private const float SCALE = 0.1f;
+        private const float MEDIAN = 1.0f;
+
+        protected override float ShapeFunction(float x) => CONSTANT * (1.0f / (MathF.PI * SCALE)) * ((SCALE * SCALE) / (MathF.Pow(x - MEDIAN, 2f) + (SCALE * SCALE)));
+    }
+}

FastRng/Float/Distributions/ChiSquareK1.cs

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+using System;
+
+namespace FastRng.Float.Distributions
+{
+    public sealed class ChiSquareK1 : Distribution
+    {
+        private const float K = 1.0f;
+        private const float K_HALF = K * 0.5f;
+        private const float K_HALF_MINUS_ONE = K_HALF - 1.0f;
+        private const float CONSTANT = 0.252f;
+
+        private static readonly float DIVISOR;
+        
+        static ChiSquareK1()
+        {
+            var twoToTheKHalf = MathF.Pow(2f, K_HALF);
+            var gammaKHalf = MathTools.Gamma(K_HALF);
+            DIVISOR = twoToTheKHalf * gammaKHalf;
+        }
+
+        protected override float ShapeFunction(float x) => CONSTANT * ((MathF.Pow(x, K_HALF_MINUS_ONE) * MathF.Exp(-x * 0.5f)) / DIVISOR);
+    }
+}

FastRng/Float/Distributions/ChiSquareK10.cs

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+using System;
+
+namespace FastRng.Float.Distributions
+{
+    public sealed class ChiSquareK10 : Distribution
+    {
+        private const float K = 10.0f;
+        private const float K_HALF = K * 0.5f;
+        private const float K_HALF_MINUS_ONE = K_HALF - 1.0f;
+        private const float CONSTANT = 0.252f;
+
+        private static readonly float DIVISOR;
+        
+        static ChiSquareK10()
+        {
+            var twoToTheKHalf = MathF.Pow(2f, K_HALF);
+            var gammaKHalf = MathTools.Gamma(K_HALF);
+            DIVISOR = twoToTheKHalf * gammaKHalf;
+        }
+
+        protected override float ShapeFunction(float x) => CONSTANT * ((MathF.Pow(x, K_HALF_MINUS_ONE) * MathF.Exp(-x * 0.5f)) / DIVISOR);
+    }
+}

FastRng/Float/Distributions/ChiSquareK4.cs

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+using System;
+
+namespace FastRng.Float.Distributions
+{
+    public sealed class ChiSquareK4 : Distribution
+    {
+        private const float K = 4.0f;
+        private const float K_HALF = K * 0.5f;
+        private const float K_HALF_MINUS_ONE = K_HALF - 1.0f;
+        private const float CONSTANT = 0.252f;
+
+        private static readonly float DIVISOR;
+        
+        static ChiSquareK4()
+        {
+            var twoToTheKHalf = MathF.Pow(2, K_HALF);
+            var gammaKHalf = MathTools.Gamma(K_HALF);
+            DIVISOR = twoToTheKHalf * gammaKHalf;
+        }
+
+        protected override float ShapeFunction(float x) => CONSTANT * ((MathF.Pow(x, K_HALF_MINUS_ONE) * MathF.Exp(-x * 0.5f)) / DIVISOR);
+    }
+}