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First attempt at refactoring algebraicCombination code

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This commit is contained in:
Ozzie Gooen 2022-04-27 11:13:10 -04:00
parent bd5dce4829
commit d104494f02
1 changed files with 30 additions and 35 deletions
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59
packages/squiggle-lang/src/rescript/Distributions/GenericDist/GenericDist.res
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@ -247,11 +247,11 @@ module AlgebraicCombination = {
arithmeticOperation: Operation.algebraicOperation,
t1: t,
t2: t,
): option<SymbolicDistTypes.analyticalSimplificationResult> => {
): SymbolicDistTypes.analyticalSimplificationResult => {
switch (t1, t2) {
| (DistributionTypes.Symbolic(d1), DistributionTypes.Symbolic(d2)) =>
Some(SymbolicDist.T.tryAnalyticalSimplification(d1, d2, arithmeticOperation))
| _ => None
SymbolicDist.T.tryAnalyticalSimplification(d1, d2, arithmeticOperation)
| _ => #NoSolution
}
}
@ -263,20 +263,13 @@ module AlgebraicCombination = {
~t2: t,
): result<t, error> => {
switch tryAnalyticalSimplification(arithmeticOperation, t1, t2) {
| Some(#AnalyticalSolution(symbolicDist)) => Ok(Symbolic(symbolicDist))
| Some(#Error(e)) => Error(OperationError(e))
| Some(#NoSolution)
| None =>
switch getInvalidOperationError(t1, t2, ~toPointSetFn, ~arithmeticOperation) {
| Some(e) => Error(e)
| None =>
| #AnalyticalSolution(symbolicDist) => Ok(Symbolic(symbolicDist))
| #Error(e) => Error(OperationError(e))
| #NoSolution =>
switch chooseConvolutionOrMonteCarloDefault(arithmeticOperation, t1, t2) {
| MonteCarloStrat => runMonteCarlo(toSampleSetFn, arithmeticOperation, t1, t2)
| ConvolutionStrat(convOp) =>
runConvolution(toPointSetFn, convOp, t1, t2)->E.R2.fmap(r => DistributionTypes.PointSet(
r,
))
}
runConvolution(toPointSetFn, convOp, t1, t2)->E.R2.fmap(r => DistributionTypes.PointSet(r))
}
}
}
@ -289,27 +282,29 @@ module AlgebraicCombination = {
~arithmeticOperation: Operation.algebraicOperation,
~t2: t,
): result<t, error> => {
switch strategy {
| AsDefault => runDefault(t1, ~toPointSetFn, ~toSampleSetFn, ~arithmeticOperation, ~t2)
| AsSymbolic =>
let invalidOperationError = getInvalidOperationError(
t1,
t2,
~toPointSetFn,
~arithmeticOperation,
)
switch (invalidOperationError, strategy, arithmeticOperation) {
| (Some(e), _, _) => Error(e)
| (None, AsDefault, _) =>
runDefault(t1, ~toPointSetFn, ~toSampleSetFn, ~arithmeticOperation, ~t2)
| (None, AsMonteCarlo, _) => runMonteCarlo(toSampleSetFn, arithmeticOperation, t1, t2)
| (None, AsSymbolic, _) =>
switch tryAnalyticalSimplification(arithmeticOperation, t1, t2) {
| Some(#AnalyticalSolution(symbolicDist)) => Ok(Symbolic(symbolicDist))
| Some(#NoSolution) => Error(RequestedStrategyInvalidError(`No analytical solution`))
| None => Error(RequestedStrategyInvalidError("Inputs were not even symbolic"))
| Some(#Error(err)) => Error(OperationError(err))
| #AnalyticalSolution(symbolicDist) => Ok(Symbolic(symbolicDist))
| #NoSolution => Error(RequestedStrategyInvalidError(`No analytic solution for inputs`))
| #Error(err) => Error(OperationError(err))
}
| AsConvolution => {
let errString = opString => `Can't convolve on ${opString}`
switch arithmeticOperation {
| (#Add | #Subtract | #Multiply) as convOp =>
runConvolution(toPointSetFn, convOp, t1, t2)->E.R2.fmap(r => DistributionTypes.PointSet(
r,
))
| (#Divide | #Power | #Logarithm) as op =>
op->Operation.Algebraic.toString->errString->RequestedStrategyInvalidError->Error
| (None, AsConvolution, (#Divide | #Power | #Logarithm) as convOp) => {
let errString = `Can't convolve on ${Operation.Algebraic.toString(convOp)}`
Error(RequestedStrategyInvalidError(errString))
}
}
| AsMonteCarlo => runMonteCarlo(toSampleSetFn, arithmeticOperation, t1, t2)
| (None, AsConvolution, (#Add | #Subtract | #Multiply) as convOp) =>
runConvolution(toPointSetFn, convOp, t1, t2)->E.R2.fmap(r => DistributionTypes.PointSet(r))
}
}
}