123   return_type accumulator = cr.apply_coefficients(  in apply_coefficients()  local
126     (accumulator *= epsilon) += cr.apply_coefficients(  in apply_coefficients()
128   return accumulator;  in apply_coefficients()
141   return_type accumulator = cr.apply_coefficients_nonhorner(  in apply_coefficients_nonhorner()  local
146     accumulator += epsilon_i.epsilon_multiply(  in apply_coefficients_nonhorner()
154   return accumulator;  in apply_coefficients_nonhorner()
167   return_type accumulator =  in apply_derivatives()  local
172     (accumulator *= epsilon) +=  in apply_derivatives()
176   return accumulator;  in apply_derivatives()
189   return_type accumulator = cr.apply_derivatives_nonhorner(  in apply_derivatives_nonhorner()  local
194     accumulator += epsilon_i.epsilon_multiply(  in apply_derivatives_nonhorner()
203   return accumulator;  in apply_derivatives_nonhorner()