export class MathUtils {

    public static round( value: number, decimalsNumber: number ): number {
        let multiplier: number = Math.pow( 10, decimalsNumber || 0 );
        return Math.floor( value * multiplier ) / multiplier;
    }

    public static getAbsolutePercentageDifference( firstValue: number, secondValue: number ) {
        return Math.abs( ( firstValue - secondValue ) / firstValue );
    }

    public static getPercentageDifference( firstValue: number, secondValue: number ) {
        return ( firstValue - secondValue ) / firstValue;
    }

}