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- From: izahi@bsc.no (Raul Izahi Lopez Hernandez)
- Subject: Re: Scientists as Programmers (was Re: Small Language Wanted)
- Message-ID: <1992Sep2.133810.24957@newsroom.bsc.no>
- Sender: usenet@newsroom.bsc.no (Usenet News Administrator)
- Organization: Bergen Scientific Centre, Bergen, NORWAY
- References: <1992Aug31.133811.3626@crd.ge.com> <1992Aug31.135937.5801@dcc.uchile.cl> <1992Sep1.173636.6387@nntpd.lkg.dec.com>
- Date: Wed, 2 Sep 1992 13:38:10 GMT
- Lines: 26
-
- In article <1992Sep1.173636.6387@nntpd.lkg.dec.com> edp@math.zko.dec.com (Eric Postpischil) writes:
- >
- >On the other hand, I (a senior software engineer) have seen code written
- >by scientists. While it manages to work, there are serious oversights
- >like forgetting to initialize variables, numerical instabilities, et
- >cetera. I can be sure the code works on some data, but it has never
- >been properly tested by a good software engineer.
- >
- >To say programming is not really a difficult challenge is to be unaware
- >of many of the pitfalls of computing, both numeric and algorithmic. On
- >the numeric side, a physicist might be unaware of the proper order in
- >which to arrange arithmetic operations to preserve accuracy. On the
- >algorithmic side, a physicist might be unaware of the issues of
- >computational complexity that would let them speed up a program or make
- >an infeasible program feasible or the issues of what problems are even
- >computable (recursively enumerable sets, et cetera).
-
- A good compiler and a good optimizer can help any scientist to write
- reasonable code, however there is no software yet that can help a CS
- person write any physics code.
-
- --
- -----> All opinions expressed here are my own, not IBM's <-----
- Raul Izahi Lopez Izahi Engineering
- izahi@bsc.no IBM Bergen Environmental Sciences and Solutions Centre
- Thormoehlensgate 55, 5008 Bergen, NORWAY (47-5)54-4653
-