[daip] Y2K (the new DDT)

[Chris Flatters]

> A number of questions arise about the new DDT:
> 
> 1. What should the master architecture be?  The official lies were
> computed on Solaris for DDT93.

In principle, there should be some advantage in computing the master images
on an Intel IA32 machine since some of the calculations will be done using
80-bit precision which is usually (but not always) an advantage. The catch
is that GCC executables show some flakiness in floating-point behaviour
when optimization is turned on.

I suspect that the reference images should be computed on Intel using a
special installation with optimization off.


	Chris Flatters
	cflatter at nrao.edu