expand Base with sum()

2020-11-13 16:55:04 +10:00
parent a8a4fa1f6b
commit e3cd540e36
2 changed files with 13 additions and 0 deletions
@@ -119,6 +119,8 @@ struct Base
  arma_cold inline void raw_print(                           const std::string extra_text = "") const;
  arma_cold inline void raw_print(std::ostream& user_stream, const std::string extra_text = "") const;
  
+  inline arma_warn_unused elem_type sum() const;
+  
  inline arma_warn_unused elem_type min() const;
  inline arma_warn_unused elem_type max() const;
  
@@ -81,6 +81,17 @@ Base<elem_type,derived>::raw_print(std::ostream& user_stream, const std::string



+template<typename elem_type, typename derived>
+inline
+arma_warn_unused
+elem_type
+Base<elem_type,derived>::sum() const
+  {
+  return accu( (*this).get_ref() );
+  }
+
+
+
 template<typename elem_type, typename derived>
 inline
 arma_warn_unused