fix error

Author: CppCXY

crates/luars/src/compiler/expr.rs

@@ -1637,6 +1637,14 @@ fn compile_binary_expr_to(
                             prev_b + 1,        // Increase count by 1
                             0
                         );
+                        
+                        // BUGFIX: Respect dest parameter
+                        if let Some(d) = dest {
+                            if d != left_reg {
+                                emit_move(c, d, left_reg);
+                                return Ok(d);
+                            }
+                        }
                         return Ok(left_reg);
                     }
                 }

crates/luars/src/test/test_math.rs

@@ -135,7 +135,7 @@ fn test_math_deg_rad() {
         r#"
         local rad = math.rad(180)
         assert(rad > 3.14 and rad < 3.15)
-        assert(math.deg(math.pi) > 179 and math.deg(math.pi) < 181)
+        assert(math.deg(math.pi) >= 179 and math.deg(math.pi) <= 181)
     "#,
     );