mathjs/src/expression/transform/std.transform.js at develop · nikolas/mathjs · GitHub

30 lines (26 loc) · 950 Bytes

import { factory } from '../../utils/factory.js'

import { createStd } from '../../function/statistics/std.js'

import { errorTransform } from './utils/errorTransform.js'

import { lastDimToZeroBase } from './utils/lastDimToZeroBase.js'

const name = 'std'

const dependencies = ['typed', 'map', 'sqrt', 'variance']

/**

* Attach a transform function to math.std

* Adds a property transform containing the transform function.

* This transform changed the `dim` parameter of function std

* from one-based to zero based

export const createStdTransform = /* #__PURE__ */ factory(name, dependencies, ({ typed, map, sqrt, variance }) => {

const std = createStd({ typed, map, sqrt, variance })

return typed('std', {

'...any': function (args) {

args = lastDimToZeroBase(args)

try {

return std.apply(null, args)

} catch (err) {

throw errorTransform(err)

}

})

}, { isTransformFunction: true })

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