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Memo the sampling of functions

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This commit is contained in:
Sam Nolan 2022-05-13 15:19:16 +00:00
parent 937458cd05
commit ae2ee48511
1 changed files with 26 additions and 22 deletions
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48
packages/components/src/components/FunctionChart.tsx
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@ -76,28 +76,32 @@ export const FunctionChart: React.FC<FunctionChartProps> = ({
chartSettings.count
);
type point = { x: number; value: result<Distribution, string> };
let valueData: point[] = data1.map((x) => {
let result = runForeign(fn, [x], environment);
if (result.tag === "Ok") {
if (result.value.tag == "distribution") {
return { x, value: { tag: "Ok", value: result.value.value } };
} else {
return {
x,
value: {
tag: "Error",
value:
"Cannot currently render functions that don't return distributions",
},
};
}
} else {
return {
x,
value: { tag: "Error", value: errorValueToString(result.value) },
};
}
});
let valueData: point[] = React.useMemo(
() =>
data1.map((x) => {
let result = runForeign(fn, [x], environment);
if (result.tag === "Ok") {
if (result.value.tag == "distribution") {
return { x, value: { tag: "Ok", value: result.value.value } };
} else {
return {
x,
value: {
tag: "Error",
value:
"Cannot currently render functions that don't return distributions",
},
};
}
} else {
return {
x,
value: { tag: "Error", value: errorValueToString(result.value) },
};
}
}),
[environment, fn]
);
let initialPartition: [
{ x: number; value: Distribution }[],