MATH: flt.nextafter: needs 'dispatch' for gnumeric-long ( and Dec64 ),
'=flt.nextafter( 0.5, 0 )' produces
0.4999999999999999445 in gnumeric [bin80] while
0.49999999999999999997 is 'nearer'.
'=flt.nextafter( 0.5, 0 )' produces
0.4999999999999999445 in gnumeric [bin80] while
0.49999999999999999997 is 'nearer'.