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| Related articles |
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| mathematical function parser/compiler jens.dreger@physik.fu-berlin.de (Jens Dreger) (1998-05-04) |
| Re: mathematical function parser/compiler bernecky@acm.org (Robert Bernecky) (1998-05-07) |
| Re: mathematical function parser/compiler f81@ix.urz.uni-heidelberg.de (Joerg Schoen) (1998-05-07) |
| Re: mathematical function parser/compiler ramb@synopsys.com (Ram Bhamidipaty) (1998-05-12) |
| From: | Jens Dreger <jens.dreger@physik.fu-berlin.de> |
| Newsgroups: | comp.compilers |
| Date: | 4 May 1998 23:07:49 -0400 |
| Organization: | Freie Universitaet Berlin |
| Keywords: | arithmetic, question |
Hi !
I'm looking for a c/c++ function, that takes some string like
f(x)=1/(1+x^2)
at runtime (!) and returns a function that evaluates this
expression when called within the program. This sounds like a
common problem, so I assume it has already been solved, but I
couldn't find anything like that.
Also, can you recommend any books that could help me here ?
Thanx a lot !
Jens
[That's close to the basic calculator example found in every introductory
compiler text, except that it needs to produce an intermediate form of
the function. If you want it to compile all the way to machine code at
runtime, that's not very commonly done, although not usually all that
hard to do. -John]
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