Christophe, You should look at the GNAT source. GNAT is a free Ada95 compiler available at : ftp://cs.nyu.edu/pub/gnat ftp://ftp.ibp.fr/pub/gnat Ada95 has a complex package defined in the numeric annexe and GNAT sources are freely available. Hope this help, Pascal. -- --|------------------------------------------------------------ --| Pascal OBRY Team-Ada Member | --| | --| EDF-DER-IPN-SID- Ing�nierie des Syst�mes d'Informations | --| | --| Bureau G1-010 e-mail: Pascal.Obry@der.edfgdf.fr | --| 1 Av G�n�ral de Gaulle voice : +33-1-47.65.50.91 | --| 92141 Clamart CEDEX fax : +33-1-47.65.50.07 | --| FRANCE | --|------------------------------------------------------------ --| "The best way to travel is by means of imagination"