rounding functions for POSIX bc.
$ echo 'scale=10; 1/3*3;'|bc .9999999999
A work in progress, rounding functions for POSIX bc.
/* DTPD */ define round(x,dec) { oscale = scale; x = x * (10 ^ dec); scale = 0; tmp = x / 1; if (x-tmp >= 0.5) { x = tmp + 1 ; } else { x = tmp ; } scale = oscale; x = x / (10 ^ dec); return x; } define round(x) { oscale = scale; dec = oscale-1; x = x * (10 ^ dec); scale = 0; tmp = x / 1; if (x-tmp >= 0.5) { x = tmp + 1 ; } else { x = tmp ; } scale = oscale; x = x / (10 ^ dec); return x; }