better variable names in mathutil

Author: xGinko

shared/src/main/java/me/xginko/aef/utils/MathUtil.java

@@ -8,28 +8,28 @@ public final class MathUtil {
 
     public static final Random RANDOM = new Random();
 
-    private static final boolean CAN_USE_FMA = ReflectionUtil.findStaticMethod(Math.class, "fma",
+    private static final boolean FMA_AVAILABLE = ReflectionUtil.findStaticMethod(Math.class, "fma",
             double.class, double.class, double.class, double.class) != null;
 
-    public static double square(double delta) {
-        return delta * delta;
+    public static double square(double num) {
+        return num * num;
     }
 
-    public static double square(double deltaX, double deltaZ) {
-        if (CAN_USE_FMA) return Math.fma(deltaX, deltaX, deltaZ * deltaZ);
-        return square(deltaX) + square(deltaZ);
+    public static double square(double x, double z) {
+        if (FMA_AVAILABLE) return Math.fma(x, x, z * z);
+        return square(x) + square(z);
     }
 
-    public static double square(double deltaX, double deltaY, double deltaZ) {
-        if (CAN_USE_FMA) return Math.fma(deltaX, deltaX, Math.fma(deltaY, deltaY, deltaZ * deltaZ));
-        return square(deltaX) + square(deltaY) + square(deltaZ);
+    public static double square(double x, double y, double z) {
+        if (FMA_AVAILABLE) return Math.fma(x, x, Math.fma(y, y, z * z));
+        return square(x) + square(y) + square(z);
     }
 
-    public static double hypot(double deltaX, double deltaZ) {
-        return Math.hypot(deltaX, deltaZ);
+    public static double hypot(double x, double z) {
+        return Math.hypot(x, z);
     }
 
-    public static double sqrt(double x) {
-        return Math.sqrt(x);
+    public static double sqrt(double num) {
+        return Math.sqrt(num);
     }
 }