GIGA
} else if (v < GIGA * 10) {
pv = (double)v / GIGA;
} else if (v < GIGA * 100) {
pv = (double)v / GIGA;
} else if (v < GIGA * 1000) {
pv = (double)v / GIGA;
#define TERA ((uint64_t)(GIGA * 1000))