1 #include <math.h>
2 
test3(double a,double b,double c)3 double test3 (double a, double b, double c)
4 {
5   return - (a + b * c);
6 }
test4(double a,double b,double c)7 double test4 (double a, double b, double c)
8 {
9   return - (-a + b * c);
10 }
test5(double a)11 double test5 (double a)
12 {
13   return 1/a;
14 }
test6(double a)15 double test6 (double a)
16 {
17   return 1/sqrt(a);
18 }
19 
20 double a, b, c;
21 
main()22 int main()
23 {
24     test3(a, b, c);
25     test4(a, b, c);
26     test5(a);
27     test6(a);
28 }
29