written in c. please explain the logic behind the code - would be greatly appreciative. Thanks

*float_f2i Return bit-level equivalent of expression (int) f *for floating point argument f. *Argument is passed as unsigned int, but *it is to be interpreted as the bit-level representation of a SLng Le-preciston TLoating point va Lue Anything out of range (including NaN and infinity) should return *0x80000000u. *Legal ops: Any integer/unsigned operations incl. 11, &&. also if, while *Max ops 30 *Rating: 4 int float f2i(unsigned uf)