(%i12) fpprec : 50$
(%i13) x : 1.8514804991703517693765213431502813b-7;
(%o13) 1.8514804991703517693765213431502813b-7
Convert x to a double. Shouldn't this be 1.8514804991703518*10^-7
(last digit is wrong)>
(%i14) y : float(x);
(%o14) 1.8514804991703517*10^-7
The relative difference seems too big too:
(%i15) abs(x-y)/abs(x);
(%o15) 4.6687728105236312161420230492805183214979733851685b-17
Barton