[fpc-pascal]Re: How to convert between double and extended? (Mattias Gaertner)

Florian Klaempfl F.Klaempfl at gmx.de
Sun Aug 15 12:48:22 CEST 2004

Mattias Gaertner wrote:

> On Sun, 15 Aug 2004 12:27:10 +0200  Florian Klaempfl <F.Klaempfl at gmx.de>
> wrote:
>>Mattias Gaertner wrote:
>>>>I suggest to reverse the byte at the PPC side, and to "stream" the  
>>>>doubles to the i386 box, and to assign the double there to an extended  
>>>>variable. In this case there is no need for a special conversion  
>>>>routine between double and extended since this is handled by the math  
>>>>co-processor automatically.
>>>The problem is a binary stream format coming from the i386 object pascal
>>>world, using extended and single, but no doubles. So I must be able to
>>>create and read i386 10 bytes extended. It's ok to loose some precision.
>>Shall I write some code?
> Is this a trick question? :)

No. It was an offer :) I was only asking because I guess I've some 
experience with messing with floats :)

More information about the fpc-pascal mailing list