Computes the gamma inverse cumulative distribution function (InvCDF).
value to evaluate InvCDF
shape parameter
scale parameter
import mir.test: shouldApprox; 0.05.gammaInvCDF(5).shouldApprox == 1.97015; 0.05.gammaInvCDF(5, 0.5).shouldApprox == 0.9850748;
Gamma Distribution
See Implementation
Computes the gamma inverse cumulative distribution function (InvCDF).