intersection_tinstant_tinstantset intersection_tinstantset_tinstant intersection_tinstantset_tinstantset tfloatinstset_ranges tfloatinstset_to_tintinstset tinstant_to_tinstantset tinstantset_always_eq tinstantset_always_le tinstantset_always_lt tinstantset_append_tinstant tinstantset_bbox tinstantset_bbox_ptr tinstantset_cmp tinstantset_copy tinstantset_end_timestamp tinstantset_eq tinstantset_ever_eq tinstantset_ever_le tinstantset_ever_lt tinstantset_find_timestamp tinstantset_from_base tinstantset_from_base_internal tinstantset_get_time tinstantset_hash tinstantset_inst_n tinstantset_instants tinstantset_instants_array tinstantset_intersects_period tinstantset_intersects_periodset tinstantset_intersects_timestamp tinstantset_intersects_timestampset tinstantset_make tinstantset_make1 tinstantset_make_free tinstantset_max_value tinstantset_merge tinstantset_merge_array tinstantset_min_instant tinstantset_min_value tinstantset_period tinstantset_read tinstantset_restrict_minmax tinstantset_restrict_period tinstantset_restrict_periodset tinstantset_restrict_timestamp tinstantset_restrict_timestampset tinstantset_restrict_value tinstantset_restrict_values tinstantset_sequences_array tinstantset_shift_tscale tinstantset_start_timestamp tinstantset_timespan tinstantset_timestamps tinstantset_timestamps1 tinstantset_to_string tinstantset_value_at_timestamp tinstantset_values tinstantset_values_array tinstantset_write tintinstset_to_tfloatinstset tnumberinstset_restrict_range tnumberinstset_restrict_ranges tnumberinstset_twavg tsequence_to_tinstantset tsequenceset_to_tinstantset

tnumberinstset_twavg() double tnumberinstset_twavg ( const TInstantSet *  ti ) Returns the time-weighted average of the temporal number.