Add pronic number implementation #1023

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	/*
	* 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}
	*/

	function isPronic (number) {
	if (number % 2 === 1) {
	return false
	}

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	for (let i = 0; i <= Math.sqrt(number); i++) {
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	// Checking Pronic Number
	// by multiplying consecutive
	// numbers
	if (number === i * (i + 1)) {
	return true
	}
	}
	return false
	}

	export { isPronic }

18 changes: 18 additions & 0 deletions Maths/test/IsPronic.test.js

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	import { isPronic } from '../IsPronic'

	describe('Testing isPronic function', () => {
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	it('should return if the number is pronic or not for even number', () => {
	const isPronicNumber = isPronic(2)
	expect(isPronicNumber).toBe(true)
	})

	it('should return if the number is pronic or not for even number', () => {
	const isPronicNumber = isPronic(4)
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	expect(isPronicNumber).toBe(false)
	})

	it('should return false for odd number', () => {
	const isPronicNumber = isPronic(7)
	expect(isPronicNumber).toBe(false)
	})
	})

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