i wanted to do floating point calculations but since in my project floating point calculations are not allowed i was trying to do integer calculations. In order to get values up to 5 digits after the decimal i was doing all the calculations with a multiplication factor of 10000000. Now my doubt to make this kind of huge calculations i wanted to use long long values, but the compiler does not seem to support. Can someone please help me to understand. And also if i include floating point calculations will be code size increases considerably?