squiggle/src/distPlus/distribution/MixedShapeBuilder.re

35 lines
1009 B
ReasonML

type assumption =
| ADDS_TO_1
| ADDS_TO_CORRECT_PROBABILITY;
type assumptions = {
continuous: assumption,
discrete: assumption,
discreteProbabilityMass: option(float),
};
let buildSimple = (~continuous: option(DistTypes.continuousShape), ~discrete: option(DistTypes.discreteShape)): option(DistTypes.shape) => {
let continuous = continuous |> E.O.default(Continuous.make(`Linear, {xs: [||], ys: [||]}, Some(0.0), None));
let discrete = discrete |> E.O.default(Discrete.make({xs: [||], ys: [||]}, Some(0.0), None));
let cLength =
continuous
|> Continuous.getShape
|> XYShape.T.xs
|> E.A.length;
let dLength = discrete |> Discrete.getShape |> XYShape.T.xs |> E.A.length;
switch (cLength, dLength) {
| (0 | 1, 0) => None
| (0 | 1, _) => Some(Discrete(discrete))
| (_, 0) => Some(Continuous(continuous))
| (_, _) =>
let mixedDist =
Mixed.make(
~continuous,
~discrete,
None,
None,
);
Some(Mixed(mixedDist));
};
};