65 lines
2.0 KiB
Plaintext
65 lines
2.0 KiB
Plaintext
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open Jest
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open Expect
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open TestHelpers
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//let env: DistributionOperation.env = {
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// sampleCount: 100,
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// xyPointLength: 100,
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//}
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let {
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normalDist5,
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normalDist10,
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normalDist20,
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normalDist, // mean=5; stdev=2
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uniformDist, // low=9; high=10
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betaDist, // alpha=2; beta=5
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lognormalDist, // mu=0; sigma=1
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cauchyDist, // local=1; scale=1
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triangularDist, // low=1; medium=2; high=3;
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exponentialDist, // rate=2
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} = module(GenericDist_Fixtures)
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// let {toFloat, toDist, toString, toError, fmap} = module(DistributionOperation.Output)
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// let {run} = module(DistributionOperation)
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let {
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algebraicAdd,
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algebraicMultiply,
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algebraicDivide,
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algebraicSubtract,
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algebraicLogarithm,
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algebraicPower
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} = module(DistributionOperation.Constructors)
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// let toExt: option<'a> => 'a = E.O.toExt(
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// "Should be impossible to reach (This error is in test file)",
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// )
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let algebraicAdd = algebraicAdd(~env)
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let algebraicMultiply = algebraicMultiply(~env)
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let algebraicDivide = algebraicDivide(~env)
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let algebraicSubtract = algebraicSubtract(~env)
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let algebraicLogarithm = algebraicLogarithm(~env)
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let algebraicPower = algebraicPower(~env)
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describe("Addition of distributions", () => {
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describe("mean", () => {
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test("normal(mean=5) + normal(mean=20)", () => {
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normalDist5
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-> algebraicAdd(normalDist20)
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-> E.R2.fmap(GenericDist_Types.Constructors.UsingDists.mean)
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-> E.R2.fmap(run)
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-> E.R2.fmap(toFloat)
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-> E.R.toExn
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-> expect
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-> toBe(Some(2.5e1))
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// -> toBeSoCloseTo(2.5e1, ~digits=7)
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})
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})
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// testAll("(normal(mean=5) + normal(mean=5)).pdf", list{1e0, 3e0, 5e0, 7e0}, x => {
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// let additionValue = algebraicAdd(normalDist5, normalDist5)
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// let targetValue = run(FromDist(ToFloat(#Pdf(x)), normalDist10)) -> unpackFloat
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// E.R.fmap(run(FromDist(ToFloat(#Pdf(x)), additionValue)))
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// -> unpackFloat
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// -> expect
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// -> toBeSoCloseTo(2.5e1, ~digits=7)
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// })
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})
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