275     if (Py_IS_INFINITY(z.imag)) {  in c_atan2()
276         if (Py_IS_INFINITY(z.real)) {  in c_atan2()
287     if (Py_IS_INFINITY(z.real) || z.imag == 0.) {  in c_atan2()
387         if (Py_IS_INFINITY(z.real) && Py_IS_FINITE(z.imag) &&  in c_cosh()
404         if (Py_IS_INFINITY(z.imag) && !Py_IS_NAN(z.real))  in c_cosh()
422     if (Py_IS_INFINITY(r.real) || Py_IS_INFINITY(r.imag))  in c_cosh()
446         if (Py_IS_INFINITY(z.real) && Py_IS_FINITE(z.imag)  in c_exp()
463         if (Py_IS_INFINITY(z.imag) &&  in c_exp()
465              (Py_IS_INFINITY(z.real) && z.real > 0)))  in c_exp()
482     if (Py_IS_INFINITY(r.real) || Py_IS_INFINITY(r.imag))  in c_exp()
618         if (Py_IS_INFINITY(z.real) && Py_IS_FINITE(z.imag)  in c_sinh()
635         if (Py_IS_INFINITY(z.imag) && !Py_IS_NAN(z.real))  in c_sinh()
651     if (Py_IS_INFINITY(r.real) || Py_IS_INFINITY(r.imag))  in c_sinh()
782         if (Py_IS_INFINITY(z.real) && Py_IS_FINITE(z.imag)  in c_tanh()
801         if (Py_IS_INFINITY(z.imag) && Py_IS_FINITE(z.real))  in c_tanh()
988         if (Py_IS_INFINITY(r) && (Py_IS_FINITE(phi)  in cmath_rect()
1005         if (r != 0. && !Py_IS_NAN(r) && Py_IS_INFINITY(phi))  in cmath_rect()
1053     return PyBool_FromLong(Py_IS_INFINITY(z.real) ||  in cmath_isinf()
1054                            Py_IS_INFINITY(z.imag));  in cmath_isinf()