Add MinAngle, Fix Asin/Atan/Acos functions

src/main/java/com/eliotlash/molang/functions/classic/Acos.java

@@ -21,7 +21,7 @@ public int getRequiredArguments() {
 	@Override
 	public double _evaluate(Expr[] arguments, ExecutionContext ctx) {
 		double a = this.evaluateArgument(arguments, ctx, 0);
-		if (a > 1) {
+		if (Math.abs(a) > 1) {
 			return 0;
 		}
 		return Math.acos(a);

src/main/java/com/eliotlash/molang/functions/classic/Asin.java

@@ -21,7 +21,7 @@ public int getRequiredArguments() {
 	@Override
 	public double _evaluate(Expr[] arguments, ExecutionContext ctx) {
 		double a = this.evaluateArgument(arguments, ctx, 0);
-		if (a > 1) {
+		if (Math.abs(a) > 1) {
 			return 0;
 		}
 		return Math.asin(a);

src/main/java/com/eliotlash/molang/functions/classic/Atan.java

@@ -21,7 +21,7 @@ public int getRequiredArguments() {
 	@Override
 	public double _evaluate(Expr[] arguments, ExecutionContext ctx) {
 		double a = this.evaluateArgument(arguments, ctx, 0);
-		if (a > 1) {
+		if (Math.abs(a) > 1) {
 			return 0;
 		}
 		return Math.atan(a);	}

src/main/java/com/eliotlash/molang/functions/utility/MinAngle.java

@@ -0,0 +1,28 @@
+package com.eliotlash.molang.functions.utility;
+
+import com.eliotlash.molang.ast.Expr;
+import com.eliotlash.molang.functions.Function;
+import com.eliotlash.molang.utils.Interpolations;
+import com.eliotlash.molang.variables.ExecutionContext;
+
+public class MinAngle extends Function {
+
+	public MinAngle(String name) {
+		super(name);
+	}
+
+	@Override
+	public int getRequiredArguments() {
+		return 3;
+	}
+
+	@Override
+	public double _evaluate(Expr[] arguments, ExecutionContext ctx) {
+		double result = this.evaluateArgument(arguments, ctx, 0);
+		// Clamp the result to -360 to 360, then add 360 to make it positive, then mod 360 to get the positive angle
+		result = ((result % 360) + 360) % 360;
+		// If the result is greater than 180, subtract 360 to get the negative angle
+		if (result > 179) result -= 360;
+		return result;
+	}
+}

src/main/java/com/eliotlash/molang/variables/ExecutionContext.java

@@ -61,6 +61,7 @@ public ExecutionContext(Evaluator evaluator) {
         registerFunction("math", new Trunc("trunc"));
         registerFunction("math", new Lerp("lerp"));
         registerFunction("math", new LerpRotate("lerprotate"));
+        registerFunction("math", new MinAngle("min_angle"));
         registerFunction("math", new Random("random"));
         registerFunction("math", new RandomInteger("random_integer"));
         registerFunction("math", new DiceRoll("dice_roll"));