374     if (Py_IS_INFINITY(z.imag)) {  in c_atan2()
375         if (Py_IS_INFINITY(z.real)) {  in c_atan2()
386     if (Py_IS_INFINITY(z.real) || z.imag == 0.) {  in c_atan2()
492         if (Py_IS_INFINITY(z.real) && Py_IS_FINITE(z.imag) &&  in cmath_cosh_impl()
509         if (Py_IS_INFINITY(z.imag) && !Py_IS_NAN(z.real))  in cmath_cosh_impl()
527     if (Py_IS_INFINITY(r.real) || Py_IS_INFINITY(r.imag))  in cmath_cosh_impl()
553         if (Py_IS_INFINITY(z.real) && Py_IS_FINITE(z.imag)  in cmath_exp_impl()
570         if (Py_IS_INFINITY(z.imag) &&  in cmath_exp_impl()
572              (Py_IS_INFINITY(z.real) && z.real > 0)))  in cmath_exp_impl()
589     if (Py_IS_INFINITY(r.real) || Py_IS_INFINITY(r.imag))  in cmath_exp_impl()
730         if (Py_IS_INFINITY(z.real) && Py_IS_FINITE(z.imag)  in cmath_sinh_impl()
747         if (Py_IS_INFINITY(z.imag) && !Py_IS_NAN(z.real))  in cmath_sinh_impl()
763     if (Py_IS_INFINITY(r.real) || Py_IS_INFINITY(r.imag))  in cmath_sinh_impl()
900         if (Py_IS_INFINITY(z.real) && Py_IS_FINITE(z.imag)  in cmath_tanh_impl()
919         if (Py_IS_INFINITY(z.imag) && Py_IS_FINITE(z.real))  in cmath_tanh_impl()
1077         if (Py_IS_INFINITY(r) && (Py_IS_FINITE(phi)  in cmath_rect_impl()
1094         if (r != 0. && !Py_IS_NAN(r) && Py_IS_INFINITY(phi))  in cmath_rect_impl()
1154     return PyBool_FromLong(Py_IS_INFINITY(z.real) ||  in cmath_isinf_impl()
1155                            Py_IS_INFINITY(z.imag));  in cmath_isinf_impl()
1210     if (Py_IS_INFINITY(a.real) || Py_IS_INFINITY(a.imag) ||  in cmath_isclose_impl()
1211         Py_IS_INFINITY(b.real) || Py_IS_INFINITY(b.imag)) {  in cmath_isclose_impl()