fix: formatting
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2fa97c20f7
commit
fd7720b045
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@ -76,8 +76,14 @@ module Internals = {
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let internalZero = ReducerInterface_InternalExpressionValue.IEvNumber(0.0)
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let applyFunctionAtZero = (aLambda, environment, reducer) =>
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applyFunctionAtPoint(aLambda, internalZero, environment, reducer)
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@dead let applyFunctionAtFloat = (aLambda, point, environment, reducer) =>
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applyFunctionAtPoint(aLambda, ReducerInterface_InternalExpressionValue.IEvNumber(point), environment, reducer)
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@dead
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let applyFunctionAtFloat = (aLambda, point, environment, reducer) =>
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applyFunctionAtPoint(
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aLambda,
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ReducerInterface_InternalExpressionValue.IEvNumber(point),
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environment,
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reducer,
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)
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// simplest integral function
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let integrateFunctionBetweenWithIncrement = (
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aLambda,
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@ -146,7 +152,7 @@ module Internals = {
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let xsLengthCandidate = Belt.Float.toInt(Js.Math.round(numIntervals))
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let xsLength = xsLengthCandidate > 0 ? xsLengthCandidate : 1
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let increment = (max -. min) /. Belt.Int.toFloat(xsLength)
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let xs = Belt.Array.makeBy(xsLength +1, i => min +. Belt_Float.fromInt(i) *. increment)
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let xs = Belt.Array.makeBy(xsLength + 1, i => min +. Belt_Float.fromInt(i) *. increment)
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// makeBy goes from 0 to (n-1): <https://rescript-lang.org/docs/manual/latest/api/belt/array#makeby>
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let ysOptions = Belt.Array.map(xs, x => applyFunctionAtFloatToFloatOption(x))
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let okYs = E.A.R.filterOk(ysOptions)
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@ -266,7 +272,7 @@ let library = [
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~nameSpace,
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~output=EvtNumber,
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~requiresNamespace=false,
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~examples=[`Danger.integrateFunctionBetweenWithIncrement({|x| x+1}, 1, 10, 1)`],
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~examples=[`Danger.integrateFunctionBetweenWithIncrement({|x| x+1}, 1, 10, 1)`],
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// should be [x^2/2 + x]1_10 = (100/2 + 10) - (1/2 + 1) = 60 - 1.5 = 58.5
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// https://www.wolframalpha.com/input?i=integrate+x%2B1+from+1+to+10
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~definitions=[
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@ -301,12 +307,12 @@ let library = [
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(),
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),
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// Integral which is a bit more thoughtful
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Function.make(
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Function.make(
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~name="integrateFunctionBetweenWithNumIntervals",
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~nameSpace,
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~output=EvtNumber,
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~requiresNamespace=false,
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~examples=[`Danger.integrateFunctionBetweenWithNumIntervals({|x| x+1}, 1, 10, 10)`],
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~examples=[`Danger.integrateFunctionBetweenWithNumIntervals({|x| x+1}, 1, 10, 10)`],
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// should be [x^2/2 + x]1_10 = (100/2 + 10) - (1/2 + 1) = 60 - 1.5 = 58.5
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// https://www.wolframalpha.com/input?i=integrate+x%2B1+from+1+to+10
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~definitions=[
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@ -323,7 +329,7 @@ let library = [
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min,
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max,
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numIntervals,
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env,
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env,
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reducer,
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)->E.R2.errMap(_ =>
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"Integration error in Danger.integrate. Something went wrong along the way"
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