| dnormt3 | Density function of sum of Gaussian and Student's t on 3 df |
| dst | Density function of sphered Student's t distribution |
| erf | Error function |
| erfc | Complementary error function |
| ic1 | Compute IC1 formula from Nason (2005) |
| is1 | Compute IS1 formula from Nason (2005) |
| normt3ip | Compute inner product function of Gaussian and t3 distribution |
| wofz | Faddeeva function |