From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.5-pre1 (2020-06-20) on ip-172-31-74-118.ec2.internal X-Spam-Level: X-Spam-Status: No, score=-0.0 required=3.0 tests=BAYES_40 autolearn=ham autolearn_force=no version=3.4.5-pre1 Date: 15 Sep 93 21:45:40 GMT From: haven.umd.edu!news.umbc.edu!nobody@uunet.uu.net (Mike Berman) Subject: DC-X use of Ada Message-ID: <2782e4INNl94@umbc4.umbc.edu> List-Id: In its September 13 "Filter Center", Aviation Week and Space Technology mentions that McDonnell Douglas developed software for guidance and control of the DC-X Single-Stage-to_Orbit (SSTO) launch vehicle using the MATRIXx toolset from Integrated Systems, Inc. Use of the tool saved an estimated 50% of normal development costs and "produced very reliable code". The article mentions that there are more than 30,000 lines of Ada code, but does not say how much was hand crafted vs. tool generated. A recent posting summarized the successful first flight of the DC-X test vehicle. An Ada success story? Could be... -- Mike Berman University of Maryland, Baltimore County Fastrak Training, Inc. berman@umbc.edu (301)924-0050 The views represented in the above post are my own.