Simple optional functions

src/components/DistBuilder.re

@@ -149,7 +149,8 @@ module DemoDist = {
                  sampleCount: Some(options.sampleCount),
                  outputXYPoints: Some(options.outputXYPoints),
                  kernelWidth: options.kernelWidth,
-                 shapeLength: Some(options.downsampleTo |> E.O.default(1000))
+                 shapeLength:
+                   Some(options.downsampleTo |> E.O.default(1000)),
                },
                ~distPlusIngredients,
                ~environment=
@@ -160,12 +161,22 @@ module DemoDist = {
 
            let response1 = DistPlusRenderer.run2(inputs1);
            switch (response1) {
-           | (Ok(`DistPlus(distPlus1))) =>
+           | Ok(`DistPlus(distPlus1)) =>
+             <DistPlusPlot distPlus={DistPlus.T.normalize(distPlus1)} />
+           | Ok(`Function(f, a)) =>
+             let result1 = DistPlusRenderer.runFunction(inputs1, (f, a), [|`SymbolicDist(`Float(5.0))|],);
+             let result2 = DistPlusRenderer.runFunction(inputs1, (f, a), [|`SymbolicDist(`Float(20.0))|],);
+             let result3 = DistPlusRenderer.runFunction(inputs1, (f, a), [|`SymbolicDist(`Float(40.0))|],);
+             switch (result1, result2, result3) {
+             | (Ok(`DistPlus(distPlus1)),Ok(`DistPlus(distPlus2)),Ok(`DistPlus(distPlus3)))  =>
              <>
                <DistPlusPlot distPlus={DistPlus.T.normalize(distPlus1)} />
+               <DistPlusPlot distPlus={DistPlus.T.normalize(distPlus2)} />
+               <DistPlusPlot distPlus={DistPlus.T.normalize(distPlus3)} />
              </>
-           | (Ok(`Function(f,a))) => "Function!!!" |> R.ste
-           | (Error(r)) => r |> R.ste
+             | _ => "Failure " |> R.ste
+             };
+           | Error(r) => r |> R.ste
            };
          | _ =>
            "Nothing to show. Try to change the distribution description."
@@ -329,10 +340,7 @@ let make = () => {
         <Antd.Form onSubmit>
           <Row _type=`flex className=Styles.rows>
             <Col span=24>
-              <FieldText
-                field=FormConfig.GuesstimatorString
-                label="Program"
-              />
+              <FieldText field=FormConfig.GuesstimatorString label="Program" />
             </Col>
           </Row>
           <Row _type=`flex className=Styles.rows>

src/components/charts/DistPlusPlotReducer.re

@@ -104,7 +104,7 @@ let reducer = (state: state, action: action) =>
 let init = {
   showStats: false,
   showParams: false,
-  showPercentiles: true,
+  showPercentiles: false,
   distributions: [
     {yLog: false, xLog: false, isCumulative: false, height: 1},
   ],

src/distPlus/expressionTree/ExpressionTree.re

@@ -1,13 +1,10 @@
 open ExpressionTypes.ExpressionTree;
 
-let toLeaf = (samplingInputs, environment, node: node) => {
-  node
-  |> ExpressionTreeEvaluator.toLeaf({
-       samplingInputs,
-       environment,
-       evaluateNode: ExpressionTreeEvaluator.toLeaf,
-     });
+let envs = (samplingInputs, environment) => {
+  {samplingInputs, environment, evaluateNode: ExpressionTreeEvaluator.toLeaf};
 };
+let toLeaf = (samplingInputs, environment, node: node) =>
+  ExpressionTreeEvaluator.toLeaf(envs(samplingInputs, environment), node);
 
 let rec toString: node => string =
   fun
@@ -27,7 +24,7 @@ let rec toString: node => string =
   | `Render(t) => toString(t)
   | `Symbol(t) => "Symbol: " ++ t
   | `FunctionCall(name, args) =>
-    "[Fuction call: ("
+    "[Function call: ("
     ++ name
     ++ (args |> E.A.fmap(toString) |> Js.String.concatMany(_, ","))
     ++ ")]"
@@ -37,16 +34,6 @@ let rec toString: node => string =
     ++ toString(internal)
     ++ ")]";
 
-let toLeaf = (samplingInputs, environment, node: node) => {
-  switch(toLeaf(samplingInputs, environment, node)){
-  | Ok(`SymbolicDist(n)) => `Render(`SymbolicDist(n)) |> toLeaf(samplingInputs, environment);
-  | Ok(`Function(n)) => Ok(`Function(n))
-  | Ok(`RenderedDist(n)) => `Normalize(`RenderedDist(n))|> toLeaf(samplingInputs, environment)
-  | Error(e) => Error(e)
-  | _ => Error("Wrong type returned")
-  }
-}
-
 let toShape = (samplingInputs, environment, node: node) => {
   switch (toLeaf(samplingInputs, environment, node)) {
   | Ok(`RenderedDist(shape)) => Ok(shape)
@@ -54,3 +41,8 @@ let toShape = (samplingInputs, environment, node: node) => {
   | Error(e) => Error(e)
   };
 };
+
+let runFunction = (samplingInputs, environment, inputs, fn: PTypes.Function.t) => {
+  let params = envs(samplingInputs, environment);
+  PTypes.Function.run(params, inputs, fn)
+}

src/distPlus/expressionTree/PTypes.re

@@ -31,7 +31,7 @@ module Function = {
       };
       evaluationParams.evaluateNode(newEvaluationParams, internals(t));
     } else {
-      Error("Failure");
+      Error("Wrong number of variables");
     };
 };
 

src/distPlus/renderers/DistPlusRenderer.re

@@ -123,10 +123,7 @@ module Internals = {
   let inputsToLeaf = (inputs: inputs) => {
     MathJsParser.fromString(inputs.guesstimatorString)
     |> E.R.bind(_, g => runProgram(inputs, g))
-    |> E.R.bind(_, r =>
-         E.A.last(r)
-         |> E.O.toResult("No rendered lines")
-       );
+    |> E.R.bind(_, r => E.A.last(r) |> E.O.toResult("No rendered lines"));
   };
 
   let outputToDistPlus = (inputs: Inputs.inputs, shape: DistTypes.shape) => {
@@ -144,21 +141,54 @@ let run = (inputs: Inputs.inputs) => {
   inputs
   |> Internals.distPlusRenderInputsToInputs
   |> Internals.inputsToLeaf
-  |> E.R.bind(_,r => switch(r){
-    | `RenderedDist(n) => Ok(n)
-    | _ => Error("Didn't output renderedDist")
-  })
+  |> E.R.bind(_, r =>
+       switch (r) {
+       | `RenderedDist(n) => Ok(n)
+       | _ => Error("Didn't output renderedDist")
+       }
+     )
   |> E.R.fmap(Internals.outputToDistPlus(inputs));
 };
 
-
 let run2 = (inputs: Inputs.inputs) => {
   inputs
   |> Internals.distPlusRenderInputsToInputs
   |> Internals.inputsToLeaf
-  |> E.R.bind(_,r => switch(r){
-    | `RenderedDist(n) => Ok(`DistPlus(Internals.outputToDistPlus(inputs,n)))
-    | `Function(n) => Ok(`Function(n))
-    | _ => Error("Didn't output renderedDist")
-  })
-};
+  |> E.R.bind(_, r =>
+       switch (r) {
+       | `RenderedDist(n) =>
+         Ok(`DistPlus(Internals.outputToDistPlus(inputs, n)))
+       | `Function(n) => Ok(`Function(n))
+       | _ => Error("Didn't output renderedDist")
+       }
+     );
+};
+
+let runFunction =
+    (
+      ins: Inputs.inputs,
+      fn: (array(string), ExpressionTypes.ExpressionTree.node),
+      fnInputs,
+    ) => {
+  let (_, fns) = fn;
+  let inputs = ins |> Internals.distPlusRenderInputsToInputs;
+  let output =
+    ExpressionTree.runFunction(
+      {
+        sampleCount: inputs.samplingInputs.sampleCount |> E.O.default(10000),
+        outputXYPoints:
+          inputs.samplingInputs.outputXYPoints |> E.O.default(10000),
+        kernelWidth: inputs.samplingInputs.kernelWidth,
+        shapeLength: inputs.samplingInputs.shapeLength |> E.O.default(10000),
+      },
+      inputs.environment,
+      fnInputs,
+      fn,
+    );
+    Js.log2("GOt output", output);
+  switch (output) {
+  | Ok(`RenderedDist(n)) => Ok(`DistPlus(Internals.outputToDistPlus(ins, n)))
+  | Ok(`Function(n)) => Ok(`Function(n))
+  | _ => Error("Didn't output renderedDist")
+  };
+};