double roundIt(double x, double n)  //Write definition for rounding function
{ 
    x = floor( x * pow(10.0, n) + 0.5) / pow(10.0, n);
    return x;
}

 
float round( float no )
{
     int x, temp;
     float y;
     temp = x = no ;   only the integer part is taken 
     y = no -  x ; u get the decimal number here 
     y*=100 ; decimal gets converted to 2 digit no n 1 decimal
     x = y;
     y-= x;  the last decimal is stored in y 
     if( y > = 0.5 )
             x++ ;
    return (temp + x/100) ;
}