13 lines
556 B
Plaintext
13 lines
556 B
Plaintext
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open Jest
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open Expect
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let {eval} = module(Parser_Squiggle)
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describe("expressions of normal distributions:", () => {
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test("sum of two", () => {
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expect(eval(" normal (5 , 2 ) + normal(0,2)")) -> toEqual({mean: 5.0 +. 0.0, stdev: Js.Math.sqrt(2.0 ** 2.0 +. 2.0 ** 2.0)} -> #Normal -> Symbolic -> EvDistribution -> Ok -> Some)
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})
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test("difference of two", () => {
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expect(eval("normal(5,3)-normal(2,1)")) -> toEqual({mean: 5.0 -. 2.0, stdev: Js.Math.sqrt(3.0 ** 2.0 +. 1.0 ** 2.0)} -> #Normal -> Symbolic -> EvDistribution -> Ok -> Some)
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})
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})
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