fix

src/dense.hh

@@ -45,6 +45,7 @@ namespace php_arma
 
             if constexpr (!IsEq && std::is_same_v<T, cx_double>) {
                 zend_throw_exception(zend_ce_error, "no such comparation for complex elements", 0);
+                return false;
             } else {
                 using dest_t        = typename ChildT::with_int_elem_t;
                 using dest_native_t = typename dest_t::native_t;
@@ -53,6 +54,7 @@ namespace php_arma
                     RETVAL_OBJ(dest_t::create(std::move(arma::conv_to<dest_native_t>::from(ret))));
                 } catch (const std::logic_error& err) {
                     zend_throw_exception(zend_ce_error, err.what(), 0);
+                    return false;
                 }
             }
             return true;