intersection_tinstant_tsequenceset intersection_tinstantset_tsequenceset intersection_tsequence_tsequenceset intersection_tsequenceset_tinstant intersection_tsequenceset_tinstantset synchronize_tsequenceset_tsequence synchronize_tsequenceset_tsequenceset tfloatseqset_ranges tfloatseqset_to_range tfloatseqset_to_tintseqset tinstant_to_tsequenceset tinstantset_to_tsequenceset tintseqset_to_tfloatseqset tnumberseqset_integral tnumberseqset_restrict_range tnumberseqset_restrict_ranges tnumberseqset_twavg tsequence_to_tsequenceset tsequenceset_always_eq tsequenceset_always_le tsequenceset_always_lt tsequenceset_append_tinstant tsequenceset_bbox tsequenceset_bbox_ptr tsequenceset_cmp tsequenceset_copy tsequenceset_duration tsequenceset_end_timestamp tsequenceset_eq tsequenceset_ever_eq tsequenceset_ever_le tsequenceset_ever_lt tsequenceset_find_timestamp tsequenceset_from_base tsequenceset_from_base_internal tsequenceset_get_time tsequenceset_hash tsequenceset_inst_at_timestamp_excl tsequenceset_inst_n tsequenceset_instants tsequenceset_instants_array tsequenceset_intersects_period tsequenceset_intersects_periodset tsequenceset_intersects_timestamp tsequenceset_intersects_timestampset tsequenceset_interval_double tsequenceset_make tsequenceset_make_free tsequenceset_max_value tsequenceset_merge tsequenceset_merge_array tsequenceset_min_instant tsequenceset_min_value tsequenceset_num_instants tsequenceset_num_timestamps tsequenceset_period tsequenceset_read tsequenceset_restrict_minmax tsequenceset_restrict_period tsequenceset_restrict_periodset tsequenceset_restrict_timestamp tsequenceset_restrict_timestampset tsequenceset_restrict_value tsequenceset_restrict_values tsequenceset_segments_array tsequenceset_seq_n tsequenceset_sequences tsequenceset_sequences_array tsequenceset_shift_tscale tsequenceset_start_timestamp tsequenceset_timespan tsequenceset_timestamp_n tsequenceset_timestamps tsequenceset_to_string tsequenceset_value_at_timestamp tsequenceset_value_at_timestamp_inc tsequenceset_values tsequenceset_values_array tsequenceset_write tstepseqset_to_linear

tsequenceset_num_timestamps() int tsequenceset_num_timestamps ( const TSequenceSet *  ts ) Returns the number of distinct timestamps of the temporal value.