import mir.test: shouldApprox;

0.0.rayleighCDF.shouldApprox == 0.0;
0.5.rayleighCDF.shouldApprox == 0.1175031;
1.0.rayleighCDF.shouldApprox == 0.3934693;
2.0.rayleighCDF.shouldApprox == 0.8646647;

// Can also provide scale parameter
0.5.rayleighCDF(2.0).shouldApprox == 0.03076677;
1.0.rayleighCDF(2.0).shouldApprox == 0.1175031;
4.0.rayleighCDF(2.0).shouldApprox == 0.8646647;