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import requiredArgs from '../_lib/requiredArgs/index'
import { quartersInYear } from '../constants/index'
/**
* @name quartersToYears
* @category Conversion Helpers
* @summary Convert number of quarters to years.
*
* @description
* Convert a number of quarters to a full number of years.
*
* @param {number} quarters - number of quarters to be converted
*
* @returns {number} the number of quarters converted in years
* @throws {TypeError} 1 argument required
*
* @example
* // Convert 8 quarters to years
* const result = quartersToYears(8)
* //=> 2
*
* @example
* // It uses floor rounding:
* const result = quartersToYears(11)
* //=> 2
*/
export default function quartersToYears(quarters: number): number {
requiredArgs(1, arguments)
const years = quarters / quartersInYear
return Math.floor(years)
}
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