Joey Perrott 6f829180f7 build: update license headers to reference Google LLC (#37205)
Update the license headers throughout the repository to reference Google LLC
rather than Google Inc, for the required license headers.

PR Close #37205
2020-05-26 14:27:01 -04:00

29 lines
965 B
TypeScript

/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {MeasureValues} from '../measure_values';
import {Statistic} from '../statistic';
export function formatNum(n: number) {
return n.toFixed(2);
}
export function sortedProps(obj: {[key: string]: any}) {
return Object.keys(obj).sort();
}
export function formatStats(validSamples: MeasureValues[], metricName: string): string {
const samples = validSamples.map(measureValues => measureValues.values[metricName]);
const mean = Statistic.calculateMean(samples);
const cv = Statistic.calculateCoefficientOfVariation(samples, mean);
const formattedMean = formatNum(mean);
// Note: Don't use the unicode character for +- as it might cause
// hickups for consoles...
return isNaN(cv) ? formattedMean : `${formattedMean}+-${Math.floor(cv)}%`;
}