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Specify histogram thresholds in fixed-length array (#1086)

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* Specify histogram thresholds in fixed-length array

Fixes https://github.com/chanzuckerberg/cellxgene/issues/1082

For background, see the following:
* https://github.com/d3/d3-array/issues/46
* https://stackoverflow.com/questions/15880058/d3-js-ticks-function-giving-more-elements-than-needed

* Oops, off by one!
This commit is contained in:
Matt Weiden
2020-01-06 11:13:02 -08:00
committed by GitHub
parent b172ff7f15
commit 4c1ecf9e52
3 changed files with 21 additions and 2 deletions
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client/__tests__/util/range.test.js
+9 -1
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@@ -1,4 +1,4 @@
import { range, rangeFill } from "../../src/util/range";
import { range, rangeFill, linspace } from "../../src/util/range";
describe("range", () => {
test("no defaults", () => {
@@ -40,3 +40,11 @@ describe("rangefill", () => {
);
});
});
describe("linspace", () => {
test("linspace(arr, start, step)", () => {
expect(linspace(0.0, 2.0, 5)).toMatchObject(
[0.0, 0.5, 1.0, 1.5, 2.0]
);
});
});