pmvn Compute the multivariate normal probability with either the method in Genz's 92 paper or the tile-low-rank Quasi-Monte Carlo method
pmvt Compute the multivariate Student-t probability with either the method in Genz's 92 paper or the tile-low-rank Quasi-Monte Carlo method
zorder Compute the index of a 2D geometry in the unit square based on a Z-order curve

