[LLVMdev] Plea for help

[Chris Lattner]

On Wed, 5 May 2004, Finn S Andersen wrote:

> Chris Lattner wrote:
>
> >Could you try compiling and running this program:
> >
> >---
> >#include <limits>
> >#include <iostream>
> >int main() {
> >  std::cerr << std::numeric_limits<float>::infinity() << "\n";
> >}
> >---
> >
> >
> Sure thing. It prints "0". Calling that inifinity is somewhat
> of a stretch, isn't it ?

Well I think that explains why the linscan allocator doesn't work for you!
:)

It looks like numeric_limits::infinity has had a line of problems:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=5527
http://lists.suse.com/archive/suse-programming-e/2003-Mar/0004.html

> What on earth is going on here?

I think that we should switch to C constants in this case.  Can you try
#include <math.h> and use HUGE_VAL instead?

-Chris

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