bdtr: bdtr, bdtrc, bdtri
btdtr: btdtr
chdtr: chdtr, chdtrc, chdtri
expx2: expx2
fdtr: fdtr, fdtrc, fdtri
gamma: cephes_gamma, lgam
gdtr: gdtr, gdtrc
igam: igam, igamc
igami: igami
incbet: incbet
incbi: incbi
kolmogorov: smirnov, kolmogorov, smirnovi, kolmogi
nbdtr: nbdtr, nbdtrc, nbdtri
ndtr: ndtr, erf, erfc
ndtri: ndtri
pdtr: pdtr, pdtrc, pdtri
stdtr: stdtr, stdtri
unity: log1p, expm1, cosm1
