Ensure render in DistPlusRenderer

src/distPlus/expressionTree/ExpressionTreeEvaluator.re

@@ -160,7 +160,7 @@ module PointwiseCombination = {
       Render.render(evaluationParams, t2),
     ) {
     | (Ok(`RenderedDist(rs1)), Ok(`RenderedDist(rs2))) =>
-      Ok(`RenderedDist(Shape.combinePointwise(( *. ), rs1, rs2)))
+      Ok(`RenderedDist(Shape.combinePointwise(fn, rs1, rs2)))
     | (Error(e1), _) => Error(e1)
     | (_, Error(e2)) => Error(e2)
     | _ => Error("Pointwise combination: rendering failed.")
@@ -177,7 +177,7 @@ module PointwiseCombination = {
     switch (pointwiseOp) {
     | `Add => pointwiseAdd(evaluationParams, t1, t2)
     | `Multiply => pointwiseCombine(( *. ),evaluationParams, t1, t2)
-    | `Exponentiate => pointwiseCombine(( *. ),evaluationParams, t1, t2)
+    | `Exponentiate => pointwiseCombine(( ** ),evaluationParams, t1, t2)
     };
   };
 };

src/distPlus/expressionTree/Functions.re

@@ -49,6 +49,11 @@ let to_: array(node) => result(node, string) =
     Error("Low value must be less than high value.")
   | _ => Error("Requires 2 variables");
 
+// Possible setup:
+// let normal = {"inputs": [`float, `float], "outputs": [`float]};
+// let render = {"inputs": [`dist], "outputs": [`renderedDist]};
+// let render = {"inputs": [`distRenderedDist], "outputs": [`renderedDist]};
+
 let fnn =
     (
       evaluationParams: ExpressionTypes.ExpressionTree.evaluationParams,

src/distPlus/expressionTree/MathJsParser.re

@@ -201,6 +201,9 @@ module MathAdtToDistDst = {
          | ("dotMultiply", [|l, r|]) => toOkPointwise((`Multiply, l, r))
          | ("dotMultiply", _) =>
            Error("Dotwise multiplication needs two operands")
+         | ("dotPow", [|l, r|]) => toOkPointwise((`Exponentiate, l, r))
+         | ("dotPow", _) =>
+           Error("Dotwise exponentiation needs two operands")
          | ("rightLogShift", [|l, r|]) => toOkPointwise((`Add, l, r))
          | ("rightLogShift", _) =>
            Error("Dotwise addition needs two operands")
@@ -227,6 +230,12 @@ module MathAdtToDistDst = {
            Error(
              "truncate needs three arguments: the expression and both cutoffs",
            )
+         | ("scaleMultiply", [|d, `SymbolicDist(`Float(v))|]) =>
+            Ok(`VerticalScaling(`Multiply, d, `SymbolicDist(`Float(v))))
+         | ("scaleExp", [|d, `SymbolicDist(`Float(v))|]) =>
+            Ok(`VerticalScaling(`Exponentiate, d, `SymbolicDist(`Float(v))))
+         | ("scaleLog", [|d, `SymbolicDist(`Float(v))|]) =>
+            Ok(`VerticalScaling(`Log, d, `SymbolicDist(`Float(v))))
          | ("pdf", [|d, `SymbolicDist(`Float(v))|]) =>
            toOkFloatFromDist((`Pdf(v), d))
          | ("cdf", [|d, `SymbolicDist(`Float(v))|]) =>
@@ -275,11 +284,15 @@ module MathAdtToDistDst = {
     | "subtract"
     | "multiply"
     | "dotMultiply"
+    | "dotPow"
     | "rightLogShift"
     | "divide"
     | "pow"
     | "leftTruncate"
     | "rightTruncate"
+    | "scaleMultiply"
+    | "scaleExp"
+    | "scaleLog"
     | "truncate"
     | "mean"
     | "inv"
@@ -355,6 +368,7 @@ let fromString2 = str => {
        Inside of this function, MathAdtToDistDst is called whenever a distribution function is encountered.
      */
   let mathJsToJson = str |> pointwiseToRightLogShift |> Mathjs.parseMath;
+
   let mathJsParse =
     E.R.bind(mathJsToJson, r => {
       switch (MathJsonToMathJsAdt.run(r)) {
@@ -364,6 +378,7 @@ let fromString2 = str => {
     });
 
   let value = E.R.bind(mathJsParse, MathAdtToDistDst.run);
+  Js.log2(mathJsParse, value);
   value;
 };
 

src/distPlus/renderers/DistPlusRenderer.re

@@ -91,18 +91,16 @@ module Internals = {
   };
   let makeOutputs = (graph, shape): outputs => {graph, shape};
 
+  let makeInputs = (inputs): ExpressionTypes.ExpressionTree.samplingInputs => {
+    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),
+  };
+
   let runNode = (inputs, node) => {
-    ExpressionTree.toLeaf(
-      {
-        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,
-      node,
-    );
+    ExpressionTree.toLeaf(makeInputs(inputs), inputs.environment, node);
   };
 
   let runProgram = (inputs: inputs, p: ExpressionTypes.Program.program) => {
@@ -154,15 +152,40 @@ let run = (inputs: Inputs.inputs) => {
   |> E.R.fmap(Internals.outputToDistPlus(inputs));
 };
 
-let exportDistPlus = inputs =>
-  fun
-  | `RenderedDist(n) => Ok(`DistPlus(Internals.outputToDistPlus(inputs, n)))
-  | `Function(n) => Ok(`Function(n))
-  | n =>
-    Error(
-      "Didn't output a rendered distribution. Format:"
-      ++ ExpressionTree.toString(n),
-    );
+let renderIfNeeded =
+    (inputs, node: ExpressionTypes.ExpressionTree.node)
+    : result(ExpressionTypes.ExpressionTree.node, string) =>
+  node
+  |> (
+    fun
+    | `SymbolicDist(n) => {
+        `Render(`SymbolicDist(n))
+        |> Internals.runNode(Internals.distPlusRenderInputsToInputs(inputs))
+        |> (
+          fun
+          | Ok(`RenderedDist(n)) => Ok(`RenderedDist(n))
+          | Error(r) => Error(r)
+          | _ => Error("Didn't render, but intended to")
+        );
+      }
+    | n => Ok(n)
+  );
+
+let exportDistPlus = (inputs, node: ExpressionTypes.ExpressionTree.node) =>
+  node
+  |> renderIfNeeded(inputs)
+  |> E.R.bind(
+       _,
+       fun
+       | `RenderedDist(n) =>
+         Ok(`DistPlus(Internals.outputToDistPlus(inputs, n)))
+       | `Function(n) => Ok(`Function(n))
+       | n =>
+         Error(
+           "Didn't output a rendered distribution. Format:"
+           ++ ExpressionTree.toString(n),
+         ),
+     );
 
 let run2 = (inputs: Inputs.inputs) => {
   inputs
@@ -177,17 +200,10 @@ let runFunction =
       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),
-      },
+      Internals.makeInputs(inputs),
       inputs.environment,
       fnInputs,
       fn,