1 typedef __complex__ double double_complex;
2 
3 
4 
5 void
p(const double_complex * t,int n)6 p (const double_complex *t, int n)
7 {
8   int i;
9   double s = ({ typeof ( t[n/2] ) arg = ( t[n/2] ); (__imag__ arg); }) ;
10   for (i = 1; i < n/2; i++)
11     s += 2* ({ typeof ( t[i] ) arg = ( t[i] ); (__imag__ arg); }) ;
12 }
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