mirror of
https://github.com/josdejong/mathjs.git
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60 lines
1.7 KiB
JavaScript
60 lines
1.7 KiB
JavaScript
'use strict'
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function factory (type, config, load, typed) {
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const multiplyScalar = load(require('./multiplyScalar'))
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/**
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* Divide two scalar values, `x / y`.
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* This function is meant for internal use: it is used by the public functions
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* `divide` and `inv`.
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*
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* This function does not support collections (Array or Matrix), and does
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* not validate the number of of inputs.
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*
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* @param {number | BigNumber | Fraction | Complex | Unit} x Numerator
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* @param {number | BigNumber | Fraction | Complex} y Denominator
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* @return {number | BigNumber | Fraction | Complex | Unit} Quotient, `x / y`
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* @private
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*/
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const divideScalar = typed('divide', {
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'number, number': function (x, y) {
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return x / y
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},
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'Complex, Complex': function (x, y) {
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return x.div(y)
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},
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'BigNumber, BigNumber': function (x, y) {
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return x.div(y)
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},
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'Fraction, Fraction': function (x, y) {
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return x.div(y)
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},
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'Unit, number | Fraction | BigNumber': function (x, y) {
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const res = x.clone()
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// TODO: move the divide function to Unit.js, it uses internals of Unit
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res.value = divideScalar(((res.value === null) ? res._normalize(1) : res.value), y)
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return res
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},
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'number | Fraction | BigNumber, Unit': function (x, y) {
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const res = y.pow(-1)
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// TODO: move the divide function to Unit.js, it uses internals of Unit
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res.value = multiplyScalar(((res.value === null) ? res._normalize(1) : res.value), x)
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return res
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},
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'Unit, Unit': function (x, y) {
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return x.divide(y)
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}
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})
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return divideScalar
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}
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exports.factory = factory
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