↓ 9 callersFunctionincompGammaIncomplete gamma function P(a,x), a,x > 0.
P(a,x) = (1/gamma(a)) integral (0 to x) { exp(-t) t^(a-1) dt }; a > 0, x
>= 0 param a fi
core/lib/Geomatics/SpecialFuncs.cpp:332
↓ 9 callersFunctionincompleteBetaIncomplete beta function I_x(a,b), 0<=x<=1, a,b>0
I sub x (a,b) = (1/beta(a,b)) integral (0 to x) { t^(a-1)*(1-t)^(b-1)dt }
param x
core/lib/Geomatics/SpecialFuncs.cpp:499