/in/foo.c: In function 'main':
/in/foo.c:10:3: warning: statement with no effect [-Wunused-value]
   term 1.0 / denominator;
   ^~~~
/in/foo.c:10:8: error: expected ';' before numeric constant
   term 1.0 / denominator;
        ^~~
/in/foo.c:12:6: error: expected ';' before 'sign'
      sign *= -1;
      ^~~~