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

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

import { createVariance } from '../../function/statistics/variance.js'

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

const name = 'variance'

const dependencies = ['typed', 'add', 'subtract', 'multiply', 'divide', 'mapSlices', 'isNaN']

/**

* Attach a transform function to math.var

* Adds a property transform containing the transform function.

*

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

* from one-based to zero based

*/

export const createVarianceTransform = /* #__PURE__ */ factory(name, dependencies, ({ typed, add, subtract, multiply, divide, mapSlices, isNaN: mathIsNaN }) => {

const variance = createVariance({ typed, add, subtract, multiply, divide, mapSlices, isNaN: mathIsNaN })

return typed(name, {

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

args = lastDimToZeroBase(args)

try {

return variance.apply(null, args)

} catch (err) {

throw errorTransform(err)

}

}

})

}, { isTransformFunction: true })