import mir.test: shouldApprox;

logisticCCDF(-2.0).shouldApprox == 0.8807971;
logisticCCDF(-1.0).shouldApprox == 0.7310586;
logisticCCDF(-0.5).shouldApprox == 0.6224593;
logisticCCDF(0.0).shouldApprox == 0.5;
logisticCCDF(0.5).shouldApprox == 0.3775407;
logisticCCDF(1.0).shouldApprox == 0.2689414;
logisticCCDF(2.0).shouldApprox == 0.1192029;

// Can also provide location/scale parameters
logisticCCDF(-1.0, 2.0, 3.0).shouldApprox == 0.7310586;
logisticCCDF(1.0, 2.0, 3.0).shouldApprox == 0.5825702;
logisticCCDF(4.0, 2.0, 3.0).shouldApprox == 0.3392436;