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Re: [Axiom-developer] RE: algebra Makefiles withexplicitdependencies, b
From: |
William Sit |
Subject: |
Re: [Axiom-developer] RE: algebra Makefiles withexplicitdependencies, bootstrap, fixed-points etc. |
Date: |
Mon, 17 Jan 2005 12:28:48 -0500 |
(21) -> for i in 10^32 .. 10^32+5 repeat print i
100000000000000000000000000000000
100000000000000000000000000000001
100000000000000000000000000000002
100000000000000000000000000000003
100000000000000000000000000000004
100000000000000000000000000000005
Type: Void
William Sit wrote:
>
> Let's not forget that 2^32 is over 4 billion.
>
> William
> --
>
> Ralf Hemmecke wrote:
> >
> > This sounds like forbidding
> >
> > for i in 10^32 .. repeat ....
> >
> > or do I misunderstand something?
> >
> > Ralf
> >
> > root wrote:
> > > Steve,
> > >
> > > I don't know if there is an actual statement to the effect that
> > > the upper bound on a loop would be a register-sized number (32
> > > or 64 bits) but at 6Mhz it seemed impossible that one could
> > > run a loop of any consequence for greater than 2^32 or 2^64
> > > iterations. If you wanted to do that you'd have to do the
> > > looping using some other construct. In general it is safe to
> > > assume that the upper bound of the register size cannot be
> > > exceeded. There is a practical performance difference to
> > > be gained by using (declare (fixnum as the compiler can,
> > > in the best case, assign a register to the loop variable.
> > >
--
William Sit
Department of Mathematics....Email: address@hidden
City College of New York................Tel: 212-650-5179
Convent Ave at West 138th Street........Fax: 212-862-0004
New York, NY 10031..Axiom, A Scientific Computation Sytem
USA............... http://www.nongnu.org/axiom/index.html
- RE: [Axiom-developer] RE: algebra Makefiles with explicitdependen cies, bootstrap, fixed-points etc., Page, Bill, 2005/01/12
- Re: [Axiom-developer] RE: algebra Makefiles with explicitdependen cies, bootstrap, fixed-points etc., root, 2005/01/13
- RE: [Axiom-developer] RE: algebra Makefiles with explicit dependencies, bootstrap, fixed-points etc., Bill Page, 2005/01/14
- Re: [Axiom-developer] RE: algebra Makefiles with explicit dependencies, bootstrap, fixed-points etc., Stephen Wilson, 2005/01/14
- Re: [Axiom-developer] RE: algebra Makefiles with explicit dependencies, bootstrap, fixed-points etc., Stephen Wilson, 2005/01/16
- RE: [Axiom-developer] RE: algebra Makefiles with explicit dependencies, bootstrap, fixed-points etc., Bill Page, 2005/01/17
- Re: [Axiom-developer] RE: algebra Makefiles with explicit dependencies, bootstrap, fixed-points etc., Stephen Wilson, 2005/01/17
- Re: [Axiom-developer] RE: algebra Makefiles with explicit dependencies, bootstrap, fixed-points etc., root, 2005/01/17
- Re: [Axiom-developer] RE: algebra Makefiles with explicit dependencies, bootstrap, fixed-points etc., Ralf Hemmecke, 2005/01/17
- Re: [Axiom-developer] RE: algebra Makefiles withexplicit dependencies, bootstrap, fixed-points etc., William Sit, 2005/01/17
- Re: [Axiom-developer] RE: algebra Makefiles withexplicitdependencies, bootstrap, fixed-points etc.,
William Sit <=
- Re: [Axiom-developer] RE: algebra Makefiles withexplicit dependencies, bootstrap, fixed-points etc., Ralf Hemmecke, 2005/01/17
- Re: [Axiom-developer] RE: algebra Makefiles with explicit dependencies, bootstrap, fixed-points etc., Stephen Wilson, 2005/01/17
- Re: [Axiom-developer] RE: algebra Makefiles with explicit dependencies, bootstrap, fixed-points etc., Stephen Wilson, 2005/01/17
- Re: [Axiom-developer] RE: algebra Makefiles with explicit dependencies, bootstrap, fixed-points etc., Stephen Wilson, 2005/01/17