fp emulation in microport DOS MERGE

[Norman Kohn]

In article <10 at cimcor.MN.ORG> mike at cimcor.MN.ORG (Michael Grenier) writes:
>From article <1990Jan6.230548.23780 at ddsw1.MCS.COM>, by nvk at ddsw1.MCS.COM (Norman Kohn):
>% Microport's dos merge kernel seems to have some problem with
>% 80387 emulation.  On a machine with no math coprocessor the code
>% #define MATHTYPE int
>% main()
>% {
>% 	MATHTYPE x;int j;
>% 	j=2;
>% 	x=(MATHTYPE) j;
>% 	j=(int) x;
>% 	printf("%d\n",j);
>% }
>% fails (produces results of 0) if MATHTYPE is float or double.
>% sdb confirms that the conversions are failing.
>% This may suggest why awk, which uses floating point heavily, gets very confused
>% under DOSMERGE.
>
>Strange, the above code worked fine on this machine. The previously
>posted awk script also ran fine on this 386 DosMerge Kernel
>without an FP. I strongly suggest a CPU board problem is
>at fault here.
>
It would seem so, yet everything works fine with the 3.0e kernel.
I have the first post-beta MERGE release (I don't know its
number) and am awaiting uport's more recent update.  Perhaps
you're running a more recent version?

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