import mir.test: shouldApprox;

laplaceCDF(-2.0).shouldApprox == 0.06766764;
laplaceCDF(-1.0).shouldApprox == 0.1839397;
laplaceCDF(-0.5).shouldApprox == 0.3032653;
laplaceCDF(0.0).shouldApprox == 0.5;
laplaceCDF(0.5).shouldApprox == 0.6967347;
laplaceCDF(1.0).shouldApprox == 0.8160603;
laplaceCDF(2.0).shouldApprox == 0.9323324;

// Can also provide location/scale parameters
laplaceCDF(-1.0, 2.0, 3.0).shouldApprox == 0.1839397;
laplaceCDF(1.0, 2.0, 3.0).shouldApprox == 0.3582657;
laplaceCDF(4.0, 2.0, 3.0).shouldApprox == 0.7432914;