intersection_tinstant_tinstant tinstant_restrict_periodset_test tinstant_restrict_timestampset_test tinstant_restrict_values_test tinstant_set tinstant_to_string tnumberinst_double tnumberinst_restrict_span_test tnumberinst_restrict_spanset_test

tnumberinst_double() double tnumberinst_double ( const TInstant *  inst ) Convert the value of temporal number instant to a double.