Add_number_tnumber Add_tnumber_number Add_tnumber_tnumber arithop_number_tnumber_ext arithop_tnumber_number_ext arithop_tnumber_tnumber_ext datum_round_float Div_number_tnumber Div_tnumber_number Div_tnumber_tnumber Mult_number_tnumber Mult_tnumber_number Mult_tnumber_tnumber Sub_number_tnumber Sub_tnumber_number Sub_tnumber_tnumber Tfloat_degrees Tfloat_derivative Tfloat_radians tfloat_round Tfloat_round Tnumber_abs

tfloat_round() Temporal * tfloat_round ( const Temporal *  temp, Datum  digits  ) Round a temporal number to a given number of decimal places.