fann_get_train_error_function
  Returns the error function used during training
  
 
  Description
  
   int fann_get_train_error_function
    ( resource $ann
   )
  
  
   The error functions are described further in error functions constants.
  
  
   The default error function is FANN_ERRORFUNC_TANH.
  
  
 
  Parameters
  
   
    - 
ann
- 
     Neural network resource. 
 
 
 
  See Also
  
   
    - fann_set_train_error_function