int XLALSetLatticeTilingPorbEllipticalBound(LatticeTiling *tiling, const size_t tasc_dimension, const size_t porb_dimension, const double P0, const double sigP, const double T0, const double sigT, const int norb, const double nsigma, const BOOLEAN useShearedPeriod)
Set an orbital period as a function of time of ascension.