import mir.test: shouldApprox;

1.0.generalizedParetoPDF(1, 1, 0.5).shouldApprox == 1;
2.0.generalizedParetoPDF(1, 1, 0.5).shouldApprox == 0.2962963;
3.0.generalizedParetoPDF(2, 3, 0.25).shouldApprox == 0.2233923;
5.0.generalizedParetoPDF(2, 3, 0).shouldApprox == 0.3678794;