LOG_ARG_SCALE
if (i - LOG_ARG_SCALE > 0) {
xx = x >> (i - LOG_ARG_SCALE);
xx = x << (LOG_ARG_SCALE - i);
logx = (int64_t)(i - LOG_ARG_SCALE) << LOG_VAL_SCALE;
for (i = 1; i <= LOG_ARG_SCALE; i++) {
1ULL << LOG_ARG_SCALE) {
((int64_t)(LOG_ARG_SCALE - lg2samples) <<
((int64_t)(LOG_ARG_SCALE - lg2samples) << LOG_VAL_SCALE))) >>
((int64_t)(LOG_ARG_SCALE - 2 * lg2samples) << LOG_VAL_SCALE)) / 64;
((int64_t)(LOG_ARG_SCALE - lg2samples) << LOG_VAL_SCALE)) / 64;