1 #include "tdb2-source.h"
2 #include <ccan/tap/tap.h>
4 static unsigned int dumb_fls(uint64_t num)
8 for (i = 63; i >= 0; i--) {
15 int main(int argc, char *argv[])
19 plan_tests(64 * 64 + 2);
22 ok1(dumb_fls(0) == 0);
24 for (i = 0; i < 64; i++) {
25 for (j = 0; j < 64; j++) {
26 uint64_t val = (1ULL << i) | (1ULL << j);
27 ok(fls64(val) == dumb_fls(val),
28 "%llu -> %u should be %u", (long long)val,
29 fls64(val), dumb_fls(val));