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1989-04-13
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Best abuse of C constructs: <robison@m.cs.uiuc.edu> Arch D. Robison
Arch D. Robison
University of Illinois at Urbana-Champaign
1304 W. Springfield Ave.
Urbana IL
61801
USA
Try: robison 80 10
robison 40 16
The first and second parameters are optional. You might also try:
robison 80 2 <--- can you find the bug?
robison 80 -246
The author says:
This program shows that C has many unnecessary constructs, in fact
only "while","--", and ">=" are required. (The two assignments at
the beginning could be avoided if "atoi" was rewritten with this
new paradigm.) Note that the lack of both the controversial "goto"
and assignment statements makes the meaning crystal clear. The current
ANSI committee should look into this practical simplification of C.
The following might make an interesting benchmark:
robison 100
[Amdahl 5890-300E with System V cc: 8.40 seconds]
We suggest that you C preprocess and perhaps C-beautify this program.
All is not what it may appear to be in this program. When does a whi1e
not take a while to execute?