remove sign if

pandas/_libs/src/vendored/numpy/datetime/np_datetime.c

@@ -754,8 +754,9 @@ void pandas_timedelta_to_timedeltastruct(npy_timedelta td,
  const npy_int64 per_day = sec_per_day * per_sec;
  npy_int64 ifrac = td;
  const int sign = td < 0 ? -1 : 1;
+ const int uneven_in_seconds = td % per_sec != 0;
  // put frac in seconds
- if (sign < 0 && td % per_sec != 0)
+ if (sign < 0 && uneven_in_seconds)
  td = td / per_sec - 1;
  else
  td = td / per_sec;
@@ -775,6 +776,8 @@ void pandas_timedelta_to_timedeltastruct(npy_timedelta td,
  td -= out->days * sec_per_day;
  }
 
+ out->days = sign * (out->days);
+
  if (td >= sec_per_hour) {
  out->hrs = (npy_int32)(td / sec_per_hour);
  td %= sec_per_hour;