Added math functions
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@ -1,9 +1,11 @@
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>ReasonReact Examples</title>
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</head>
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<body>
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<script>
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// stub a variable ReactJS checks. ReactJS assumes you're using a bundler, NodeJS or similar system that provides it the `process.env.NODE_ENV` variable.
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@ -19,4 +21,5 @@
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<!-- Our little watcher. Super clean. Check it out! -->
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<script src="/watcher.js"></script>
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</body>
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</html>
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</html>
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@ -1,5 +1,10 @@
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'use strict';
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var Math$ReasonReactExamples = require("./Math.bs.js");
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function yearDiff(year) {
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return year - 2020.0;
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}
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function yearlyMeanGrowthRateIfNotClosed(group) {
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return {
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@ -8,29 +13,63 @@ function yearlyMeanGrowthRateIfNotClosed(group) {
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};
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}
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function yearlyChanceOfClosing(group) {
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return 0.1;
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function calculateDifference(currentValue, yearInQuestion, y) {
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var yearDiff = yearInQuestion - 2020.0;
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var meanDiff = Math.pow(y.meanDiff, yearDiff);
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var stdDevDiff = Math.pow(y.meanDiff, yearDiff);
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return Math$ReasonReactExamples.normal(currentValue * meanDiff, 0.2 * stdDevDiff);
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}
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function yearlyStdevGrowthRate(group, year, parameter) {
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function currentValue(group, parameter) {
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if (group) {
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return /* tuple */[
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30,
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30
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];
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switch (group[0]) {
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case /* ANIMAL_WELFARE */0 :
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if (parameter) {
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return 2300000.0;
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} else {
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return 300000.0;
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}
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case /* GLOBAL_HEALTH */1 :
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if (parameter) {
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return 500000.0;
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} else {
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return 1000000.0;
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}
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case /* LONG_TERM_FUTURE */2 :
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if (parameter) {
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return 120000.0;
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} else {
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return 600000.0;
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}
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case /* META */3 :
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if (parameter) {
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return 830000.0;
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} else {
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return 9300000.0;
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}
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}
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} else {
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return /* tuple */[
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50,
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10
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];
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return currentValue(/* Fund */[/* ANIMAL_WELFARE */0], parameter) + currentValue(/* Fund */[/* GLOBAL_HEALTH */1], parameter) + currentValue(/* Fund */[/* LONG_TERM_FUTURE */2], parameter) + currentValue(/* Fund */[/* META */3], parameter);
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}
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}
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var PayoutsIfAround = {
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currentYear: 2020,
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firstYearStdDev: 0.2,
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yearDiff: yearDiff,
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yearlyMeanGrowthRateIfNotClosed: yearlyMeanGrowthRateIfNotClosed,
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yearlyChanceOfClosing: yearlyChanceOfClosing,
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yearlyStdevGrowthRate: yearlyStdevGrowthRate
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calculateDifference: calculateDifference,
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currentValue: currentValue
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};
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function calculate(group, year, parameter) {
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return calculateDifference(currentValue(group, parameter), year, {
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meanDiff: 1.1,
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stdDiff: 1.1
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});
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}
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exports.PayoutsIfAround = PayoutsIfAround;
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exports.calculate = calculate;
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/* No side effect */
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@ -9,7 +9,6 @@ type group =
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| All;
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type parameter =
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| CHANCE_CLOSED
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| DONATIONS
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| PAYOUTS;
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@ -19,21 +18,48 @@ type yearlyNumericDiff = {
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};
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module PayoutsIfAround = {
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let currentYear = 2020.;
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let firstYearStdDev = 0.2;
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let yearDiff = year => year -. 2020.0;
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let yearlyMeanGrowthRateIfNotClosed = (group: group): yearlyNumericDiff => {
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{meanDiff: 1.1, stdDiff: 1.1};
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};
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let yearlyChanceOfClosing = (group: group) => {
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0.1;
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let calculateDifference =
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(currentValue, yearInQuestion, y: yearlyNumericDiff) => {
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let yearDiff = yearDiff(yearInQuestion);
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let meanDiff = Js.Math.pow_float(~base=y.meanDiff, ~exp=yearDiff);
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let stdDevDiff = Js.Math.pow_float(~base=y.meanDiff, ~exp=yearDiff);
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Math.normal(currentValue *. meanDiff, firstYearStdDev *. stdDevDiff);
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};
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let yearlyStdevGrowthRate = (group: group, year: int, parameter: parameter) => {
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switch (group) {
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| Fund(ANIMAL_WELFARE) => (30, 30)
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| Fund(GLOBAL_HEALTH) => (30, 30)
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| Fund(LONG_TERM_FUTURE) => (30, 30)
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| Fund(META) => (30, 30)
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| All => (50, 10)
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let rec currentValue = (group: group, parameter) => {
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let sum = (): float =>
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currentValue(Fund(ANIMAL_WELFARE), parameter)
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+. currentValue(Fund(GLOBAL_HEALTH), parameter)
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+. currentValue(Fund(LONG_TERM_FUTURE), parameter)
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+. currentValue(Fund(META), parameter);
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switch (group, parameter) {
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| (Fund(ANIMAL_WELFARE), DONATIONS) => 300000.0
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| (Fund(ANIMAL_WELFARE), PAYOUTS) => 2300000.0
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| (Fund(GLOBAL_HEALTH), DONATIONS) => 1000000.0
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| (Fund(GLOBAL_HEALTH), PAYOUTS) => 500000.0
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| (Fund(LONG_TERM_FUTURE), DONATIONS) => 600000.0
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| (Fund(LONG_TERM_FUTURE), PAYOUTS) => 120000.0
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| (Fund(META), DONATIONS) => 9300000.0
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| (Fund(META), PAYOUTS) => 830000.0
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| (All, _) => sum()
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};
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};
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};
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let calculate = (group: group, year: float, parameter: parameter) => {
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PayoutsIfAround.(
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calculateDifference(
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currentValue(group, parameter),
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year,
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yearlyMeanGrowthRateIfNotClosed(group),
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)
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);
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};
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@ -11,7 +11,7 @@ function FetchedDogPictures(Props) {
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var setState = match[1];
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var state = match[0];
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React.useEffect((function () {
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fetch("https://dog.ceo/api/breeds/image/random/3").then((function (response) {
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fetch("https://dog.ceo/api/breeds/image/random/2").then((function (response) {
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return response.json();
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})).then((function (jsonResponse) {
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Curry._1(setState, (function (_previousState) {
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@ -13,7 +13,7 @@ let make = () => {
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// reasonml.github.io/reason-react/docs/en/components#hooks for more info
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React.useEffect0(() => {
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Js.Promise.(
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fetch("https://dog.ceo/api/breeds/image/random/3")
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fetch("https://dog.ceo/api/breeds/image/random/2")
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|> then_(response => response##json())
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|> then_(jsonResponse => {
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setState(_previousState => LoadedDogs(jsonResponse##message));
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->React.array
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}}
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</div>;
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};
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};
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16
src/Funds.bs.js
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16
src/Funds.bs.js
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'use strict';
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var React = require("react");
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var EAFunds$ReasonReactExamples = require("./EAFunds.bs.js");
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var response = EAFunds$ReasonReactExamples.calculate(/* Fund */[/* GLOBAL_HEALTH */1], 2029, /* DONATIONS */0);
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function Funds(Props) {
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return React.createElement("div", undefined, response);
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}
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var make = Funds;
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exports.response = response;
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exports.make = make;
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/* response Not a pure module */
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src/Funds.re
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6
src/Funds.re
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let response = EAFunds.calculate(Fund(GLOBAL_HEALTH), 2029., DONATIONS);
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[@react.component]
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let make = () => {
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<div> {React.string(response)} </div>;
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};
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var React = require("react");
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var ReactDom = require("react-dom");
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var Funds$ReasonReactExamples = require("./Funds.bs.js");
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var ExampleStyles$ReasonReactExamples = require("./ExampleStyles.bs.js");
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var BlinkingGreeting$ReasonReactExamples = require("./BlinkingGreeting/BlinkingGreeting.bs.js");
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var FetchedDogPictures$ReasonReactExamples = require("./FetchedDogPictures/FetchedDogPictures.bs.js");
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var ReducerFromReactJSDocs$ReasonReactExamples = require("./ReducerFromReactJSDocs/ReducerFromReactJSDocs.bs.js");
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var ReasonUsingJSUsingReason$ReasonReactExamples = require("./ReasonUsingJSUsingReason/ReasonUsingJSUsingReason.bs.js");
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var style = document.createElement("style");
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return content;
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}
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ReactDom.render(React.createElement(BlinkingGreeting$ReasonReactExamples.make, {
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children: "Hello!"
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}), makeContainer("Blinking Greeting"));
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ReactDom.render(React.createElement(ReducerFromReactJSDocs$ReasonReactExamples.make, { }), makeContainer("Reducer From ReactJS Docs"));
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ReactDom.render(React.createElement(FetchedDogPictures$ReasonReactExamples.make, { }), makeContainer("Fetched Dog Pictures"));
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ReactDom.render(React.createElement(ReasonUsingJSUsingReason$ReasonReactExamples.make, { }), makeContainer("Reason Using JS Using Reason"));
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ReactDom.render(React.createElement(Funds$ReasonReactExamples.make, { }), makeContainer("Reason Using JS Using Reason"));
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exports.style = style;
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exports.makeContainer = makeContainer;
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23
src/Index.re
23
src/Index.re
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content;
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};
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// All 4 examples.
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ReactDOMRe.render(
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<BlinkingGreeting>
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{React.string("Hello!")}
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</BlinkingGreeting>,
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makeContainer("Blinking Greeting"),
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);
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ReactDOMRe.render(
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<ReducerFromReactJSDocs />,
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makeContainer("Reducer From ReactJS Docs"),
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);
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ReactDOMRe.render(
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<FetchedDogPictures />,
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makeContainer("Fetched Dog Pictures"),
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);
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ReactDOMRe.render(
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<ReasonUsingJSUsingReason />,
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makeContainer("Reason Using JS Using Reason"),
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);
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ReactDOMRe.render(<Funds />, makeContainer("Reason Using JS Using Reason"));
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16
src/Math.bs.js
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16
src/Math.bs.js
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'use strict';
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function normal(mean, std) {
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var nMean = mean.toPrecision(4);
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var nStd = std.toPrecision(2);
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return "normal(" + (String(nMean) + (", " + (String(nStd) + ")")));
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}
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function divide(str1, str2) {
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return "" + (String(str1) + ("/" + (String(str2) + "")));
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}
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exports.normal = normal;
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exports.divide = divide;
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/* No side effect */
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src/Math.re
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10
src/Math.re
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let normal = (mean: float, std: float) =>
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Js.Float.(
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{
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let nMean = toPrecisionWithPrecision(mean, ~digits=4);
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let nStd = toPrecisionWithPrecision(std, ~digits=2);
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{j|normal($(nMean), $(nStd))|j};
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}
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);
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let divide = (str1: string, str2: string) => {j|$(str1)/$(str2)|j};
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