tbool_end_value tbool_start_value tbool_value_at_timestamptz tbool_value_n tbool_values temporal_duration temporal_end_instant temporal_end_sequence temporal_end_timestamptz temporal_hash temporal_instant_n temporal_instants temporal_interp temporal_lower_inc temporal_max_instant temporal_min_instant temporal_num_instants temporal_num_sequences temporal_num_timestamps temporal_segments temporal_sequence_n temporal_sequences temporal_start_instant temporal_start_sequence temporal_start_timestamptz temporal_stops temporal_subtype temporal_time temporal_timestamps temporal_timestamptz_n temporal_upper_inc tfloat_end_value tfloat_max_value tfloat_min_value tfloat_start_value tfloat_value_at_timestamptz tfloat_value_n tfloat_values tint_end_value tint_max_value tint_min_value tint_start_value tint_value_at_timestamptz tint_value_n tint_values tnumber_integral tnumber_twavg tnumber_valuespans ttext_end_value ttext_max_value ttext_min_value ttext_start_value ttext_value_at_timestamptz ttext_value_n ttext_values

tnumber_integral() double tnumber_integral ( const Temporal *  temp ) Return the integral (area under the curve) of a temporal number. Parameters [in] temp Temporal value Returns On error return -1.0