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tweak: Add better error messages for common use case

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I.e., the case of integrating a function which
doesn't return a number but a distribution
This commit is contained in:
NunoSempere 2022-09-05 13:03:56 +02:00
parent 2b414191ac
commit c0713b16c2
1 changed files with 5 additions and 4 deletions
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9
packages/squiggle-lang/src/rescript/FunctionRegistry/Library/FR_Danger.res
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@ -161,7 +161,10 @@ module Internals = {
} }
resultWithOuterPoints resultWithOuterPoints
} }
| false => Error("Integration error 3 in Danger.integrate") | false =>
Error(
"Integration error 3 in Danger.integrate. It's possible that your function doesn't return a number, try definining auxiliaryFunction(x) = mean(yourFunction(x)) and integrate auxiliaryFunction instead",
)
} }
result result
} }
@ -286,12 +289,10 @@ let library = [
numIntegrationPoints, numIntegrationPoints,
env, env,
reducer, reducer,
)->E.R2.errMap(_ =>
"Integration error 5 in Danger.integrate. Something went wrong along the way"
) )
| _ => | _ =>
Error( Error(
"Integration error 6 in Danger.integrate. Remember that inputs are (function, number (min), number (max), number(increment))", "Integration error 5 in Danger.integrate. Remember that inputs are (function, number (min), number (max), number(increment))",
) )
} }
result result