-Wfloat-equal warns for comparison of real floating-point numbers, but not for complex numbers.
double a, b; _Complex double c, d; int f(void) { return a == b; } int g(void) { return c == d; } warns for the comparison in f, but not for that in g. -- Summary: -Wfloat-equal does not warn for complex numbers Product: gcc Version: 4.0.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: jsm28 at gcc dot gnu dot org CC: gcc-bugs at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19999