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tweak: Add error checking to dmr calculation

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This commit is contained in:
NunoSempere 2022-09-06 14:49:14 +02:00
parent 60e42cf1e8
commit fc2d647b62
1 changed files with 95 additions and 73 deletions
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28
packages/squiggle-lang/src/rescript/FunctionRegistry/Library/FR_Danger.res
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@ -272,6 +272,29 @@ module DiminishingReturns = {
1. O(n): Iterate through value on next n dollars. At each step, only compute the new marginal return of the function which is spent
2. O(n*m): Iterate through all possible spending combinations. The advantage of this option is that it wouldn't assume that the returns of marginal spending are diminishing.
*/
switch (
E.A.length(lambdas) > 1,
funds > 0.0,
approximateIncrement > 0.0,
funds > approximateIncrement,
) {
| (false, _, _, _) =>
Error(
"Error in Danger.optimalAllocationGivenDiminishingMarginalReturnsForManyFunctions, number of functions should be greater than 1.",
)
| (_, false, _, _) =>
Error(
"Error in Danger.optimalAllocationGivenDiminishingMarginalReturnsForManyFunctions, funds should be greater than 0.",
)
| (_, _, false, _) =>
Error(
"Error in Danger.optimalAllocationGivenDiminishingMarginalReturnsForManyFunctions, approximateIncrement should be greater than 0.",
)
| (_, _, _, false) =>
Error(
"Error in Danger.optimalAllocationGivenDiminishingMarginalReturnsForManyFunctions, approximateIncrement should be smaller than funds amount.",
)
| (true, true, true, true) => {
let applyFunctionAtPoint = (lambda, point: float) => {
// Defined here so that it has access to environment, reducer
let pointAsInternalExpression = FunctionRegistry_Helpers.Wrappers.evNumber(point)
@ -355,9 +378,8 @@ module DiminishingReturns = {
}
optimalAllocationResult
// let result = [0.0, 0.0]->FunctionRegistry_Helpers.Wrappers.evArrayOfEvNumber->Ok
// result
// ^ helper with the same type as what the result should be. Useful for debugging.
}
}
}
}
module Lib = {