61 #ifndef MathFunctions_H 62 #define MathFunctions_H scalar erfInv(const scalar y)
Inverse error function of a real-number argument.
scalar incGammaRatio_P(const scalar a, const scalar x)
Regularised lower incomplete gamma function.
scalar incGammaRatio_Q(const scalar a, const scalar x)
Regularised upper incomplete gamma function.
scalar incGamma_P(const scalar a, const scalar x)
Lower incomplete gamma function.
scalar incGamma_Q(const scalar a, const scalar x)
Upper incomplete gamma function.
scalar invIncGamma(const scalar a, const scalar P)
Inverse of regularised lower incomplete gamma function.