public void MakeLowerBound() {
Debug.Assert(this.error < 0xFFFFFFFF);
uint uT = (this.error + 1) >> 1;
if (0 != uT && 0 == AddU(ref this.u0, (uint)-(int)uT) && 0 == AddU(ref this.u1, 0xFFFFFFFF)) {
AddU(ref this.u2, 0xFFFFFFFF);
if (0 == (0x80000000 & this.u2)) {
Normalize();
}
}
this.error = 0;
}