/* Complex number structure */ #ifndef Py_COMPLEXOBJECT_H#define Py_COMPLEXOBJECT_H#ifdef __cplusplusextern "C" {#endif typedef struct {    double real;    double imag;} Py_complex; /* Operations on complex numbers from complexmodule.c */ #define c_sum _Py_c_sum#define c_diff _Py_c_diff#define c_neg _Py_c_neg#define c_prod _Py_c_prod#define c_quot _Py_c_quot#define c_pow _Py_c_pow PyAPI_FUNC(Py_complex) c_sum(Py_complex, Py_complex);PyAPI_FUNC(Py_complex) c_diff(Py_complex, Py_complex);PyAPI_FUNC(Py_complex) c_neg(Py_complex);PyAPI_FUNC(Py_complex) c_prod(Py_complex, Py_complex);PyAPI_FUNC(Py_complex) c_quot(Py_complex, Py_complex);PyAPI_FUNC(Py_complex) c_pow(Py_complex, Py_complex);  /* Complex object interface */ /*PyComplexObject represents a complex number with double-precisionreal and imaginary parts.*/ typedef struct {    PyObject_HEAD    Py_complex cval;} PyComplexObject;      PyAPI_DATA(PyTypeObject) PyComplex_Type; #define PyComplex_Check(op) PyObject_TypeCheck(op, &PyComplex_Type)#define PyComplex_CheckExact(op) ((op)->ob_type == &PyComplex_Type) PyAPI_FUNC(PyObject *) PyComplex_FromCComplex(Py_complex);PyAPI_FUNC(PyObject *) PyComplex_FromDoubles(double real, double imag); PyAPI_FUNC(double) PyComplex_RealAsDouble(PyObject *op);PyAPI_FUNC(double) PyComplex_ImagAsDouble(PyObject *op);PyAPI_FUNC(Py_complex) PyComplex_AsCComplex(PyObject *op); #ifdef __cplusplus}#endif#endif /* !Py_COMPLEXOBJECT_H */