a program, run on a sun and on a 780, both with 4.2 BSD:
main()
{
double log10();
printf("%f\n", log10(0.));
}
sun responds:
Infinity
vax responds:
-73891372717101319000000000000000000000.000000
may the joker responsible for the answer found on the sun be shot!
seismo!tiberio