Fixed-point operations

[Tom St Denis]

 On Tue 01/01/08  9:47 AM , "Cristea Bogdan"  sent:
> I use an Athlon 64 double core processor under openSuSE 10.2 (gcc
> 
> 4.2.2). The trouble is that implementing fixed point operations in C++
> 
> seems to be very slow with respect to floating-point operations. I
> 
> have hoped to find something faster.
> 
> Ideally I would like to have a data type in C++ with all common
> 
> operations in order to do some research with chaotic maps.
> 
> Bogdan

Which is exactly my point.  The K8 Athlon has a fairly fast FPU and you're not likely to beat it in performance when using fixed point, even in assembler.

Tom