PD
static const long double PD[] =
v = PD[0] + t * (PD[1] + t * (PD[2] + t * (PD[3] + t)));
PD(1), PD(5), PE(1), PE(6), PE(7), PE(3), PE(0), PD(7)
PC(3), PC(2), PD(1), PC(0)
} poll = PD(1);
ISO_SUSP_PD PD;