FANN_SET_CALLBACK(3)							 1						      FANN_SET_CALLBACK(3)

fann_set_callback - Sets the callback function for use during training

SYNOPSIS

       bool fann_set_callback (resource  $ann, collable  $callback)

DESCRIPTION

	Sets the callback function for use during training. It means that it is called from fann_train_on_data(3) or fann_train_on_file(3).

PARAMETERS

	      o $ann
		-Neural network resource.

	      o $callback
		- The supplied callback function takes following parameters:

		     o ann - The neural network resource

		     o train - The train data resource or NULL if called from fann_train_on_file(3)

		     o max_epochs - The maximum number of epochs the training should continue

		     o epochs_between_reports - The number of epochs between calling this function

		     o desired_error   -  The  desired	fann_get_MSE(3)  or  fann_get_bit_fail(3),  depending  on  the	stop  function	chosen	by
		       fann_set_train_stop_function(3)

		     o epochs - The current epoch

	       The callback should return TRUE. If it returns FALSE, the training will terminate.

RETURN VALUES

       Returns TRUE on success, or FALSE otherwise.

SEE ALSO

       fann_train_on_data(3), fann_train_on_file(3).

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