[fpc-pascal] real numbers infinity

[Dimitris Apostolou]

> > when a real number overflows the program halts with EInvalidOp error.
> > How can I make the program behave the more standard way, where the
> > variable gets the value "inf" and execution continues normally? This 
is
> > vital for many tasks, like fractal computation.
> 
> You can use try..except..end block and switch -Sd when compile:

Thank you very much, this solves the problem though I think that 
performance-wise it is not optimal. What is the reason for freepascal 
being not IEEE-spec compliant? Is it backwards compatibility?

> Or you may take a look IEEE specification if it is necessary to create
> your
> own big float support for larger precision with fractals.

It seems really weird that there is no such unit in the standard 
freepascal distribution. It would be a huge task for me to create one 
with C-like speed. 

Dimitris

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