Files
JavaScript/Maths/IsPronic.js
Akshay Dubey dc67506272 merge: Add pronic number implementation (#1023)
* feat: Add pronic number implementation

* Add test to Math

* Minor fixes

* Minor style fixes

* refactor: Store square root in a variable

* Minor refactoring

* fix: Change pronic number check logic

Reduced time complexity from O(sqrt(n)) to O(1)

* Minor style fixes

* fix: Update pronic number check boolean equation

* refactor: Change pronic number check condition

* refactor: Add tests to Math

* Minor style fixes

* refactor: Change unit test logic
2022-05-25 17:39:23 +05:30

28 lines
822 B
JavaScript

/*
* Author: Akshay Dubey (https://github.com/itsAkshayDubey)
* Pronic Number: https://en.wikipedia.org/wiki/Pronic_number
* function to check if number is pronic.
* return true if number is pronic.
* else false
*/
/**
* @function isPronic
* @description -> Checking if number is pronic using product of two consecutive numbers
* If number is a product of two consecutive numbers, then it is pronic
* therefore, the function will return true
*
* If number is not a product of two consecutive numbers, then it is not pronic
* therefore, the function will return false
* @param {number} number
* @returns {boolean}
*/
export const isPronic = (number) => {
if (number === 0) {
return true
}
const sqrt = Math.sqrt(number)
return sqrt % 1 !== 0 && Math.ceil(sqrt) * Math.floor(sqrt) === number
}