mathjs/src/constants.js

133 lines
3.7 KiB
JavaScript

'use strict'
import { factory } from './utils/factory'
import { version } from './version'
import {
createBigNumberE,
createBigNumberPhi,
createBigNumberPi,
createBigNumberTau
} from './utils/bignumber/constants'
import { pi, tau, e, phi } from './plain/number'
export const createTrue = /* #__PURE__ */ factory('true', [], () => true)
export const createFalse = /* #__PURE__ */ factory('false', [], () => false)
export const createNull = /* #__PURE__ */ factory('null', [], () => null)
export const createInfinity = /* #__PURE__ */ recreateFactory(
'Infinity',
['config', '?BigNumber'],
({ config, BigNumber }) => (config.number === 'BigNumber')
? new BigNumber(Infinity)
: Infinity
)
export const createNaN = /* #__PURE__ */ recreateFactory(
'NaN',
['config', '?BigNumber'],
({ config, BigNumber }) => (config.number === 'BigNumber')
? new BigNumber(NaN)
: NaN
)
export const createPi = /* #__PURE__ */ recreateFactory(
'pi',
['config', '?BigNumber'],
({ config, BigNumber }) => (config.number === 'BigNumber')
? createBigNumberPi(BigNumber)
: pi
)
export const createTau = /* #__PURE__ */ recreateFactory(
'tau',
['config', '?BigNumber'],
({ config, BigNumber }) => (config.number === 'BigNumber')
? createBigNumberTau(BigNumber)
: tau
)
export const createE = /* #__PURE__ */ recreateFactory(
'e',
['config', '?BigNumber'],
({ config, BigNumber }) => (config.number === 'BigNumber')
? createBigNumberE(BigNumber)
: e
)
// golden ratio, (1+sqrt(5))/2
export const createPhi = /* #__PURE__ */ recreateFactory(
'phi',
['config', '?BigNumber'],
({ config, BigNumber }) => (config.number === 'BigNumber')
? createBigNumberPhi(BigNumber)
: phi
)
export const createLN2 = /* #__PURE__ */ recreateFactory(
'LN2',
['config', '?BigNumber'],
({ config, BigNumber }) => (config.number === 'BigNumber')
? new BigNumber(2).ln()
: Math.LN2
)
export const createLN10 = /* #__PURE__ */ recreateFactory(
'LN10',
['config', '?BigNumber'],
({ config, BigNumber }) => (config.number === 'BigNumber')
? new BigNumber(10).ln()
: Math.LN10
)
export const createLOG2E = /* #__PURE__ */ recreateFactory(
'LOG2E',
['config', '?BigNumber'],
({ config, BigNumber }) => (config.number === 'BigNumber')
? new BigNumber(1).div(new BigNumber(2).ln())
: Math.LOG2E
)
export const createLOG10E = /* #__PURE__ */ recreateFactory(
'LOG10E',
['config', '?BigNumber'],
({ config, BigNumber }) => (config.number === 'BigNumber')
? new BigNumber(1).div(new BigNumber(10).ln())
: Math.LOG10E
)
export const createSQRT1_2 = /* #__PURE__ */ recreateFactory( // eslint-disable-line camelcase
'SQRT1_2',
['config', '?BigNumber'],
({ config, BigNumber }) => (config.number === 'BigNumber')
? new BigNumber('0.5').sqrt()
: Math.SQRT1_2
)
export const createSQRT2 = /* #__PURE__ */ recreateFactory(
'SQRT2',
['config', '?BigNumber'],
({ config, BigNumber }) => (config.number === 'BigNumber')
? new BigNumber(2).sqrt()
: Math.SQRT2
)
export const createI = /* #__PURE__ */ recreateFactory(
'i',
['Complex'],
({ Complex }) => Complex.I
)
// for backward compatibility with v5
export const createUppercasePi = /* #__PURE__ */ factory('PI', ['pi'], ({ pi }) => pi)
export const createUppercaseE = /* #__PURE__ */ factory('E', ['e'], ({ e }) => e)
export const createVersion = /* #__PURE__ */ factory('version', [], () => version)
// helper function to create a factory with a flag recreateOnConfigChange
// idea: allow passing optional properties to be attached to the factory function as 4th argument?
function recreateFactory (name, dependencies, create) {
const f = factory(name, dependencies, create)
f.recreateOnConfigChange = true
return f
}