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      1 /* Complex number structure */
      2 
      3 #ifndef Py_COMPLEXOBJECT_H
      4 #define Py_COMPLEXOBJECT_H
      5 #ifdef __cplusplus
      6 extern "C" {
      7 #endif
      8 
      9 typedef struct {
     10     double real;
     11     double imag;
     12 } Py_complex;
     13 
     14 /* Operations on complex numbers from complexmodule.c */
     15 
     16 #define c_sum _Py_c_sum
     17 #define c_diff _Py_c_diff
     18 #define c_neg _Py_c_neg
     19 #define c_prod _Py_c_prod
     20 #define c_quot _Py_c_quot
     21 #define c_pow _Py_c_pow
     22 #define c_abs _Py_c_abs
     23 
     24 PyAPI_FUNC(Py_complex) c_sum(Py_complex, Py_complex);
     25 PyAPI_FUNC(Py_complex) c_diff(Py_complex, Py_complex);
     26 PyAPI_FUNC(Py_complex) c_neg(Py_complex);
     27 PyAPI_FUNC(Py_complex) c_prod(Py_complex, Py_complex);
     28 PyAPI_FUNC(Py_complex) c_quot(Py_complex, Py_complex);
     29 PyAPI_FUNC(Py_complex) c_pow(Py_complex, Py_complex);
     30 PyAPI_FUNC(double) c_abs(Py_complex);
     31 
     32 
     33 /* Complex object interface */
     34 
     35 /*
     36 PyComplexObject represents a complex number with double-precision
     37 real and imaginary parts.
     38 */
     39 
     40 typedef struct {
     41     PyObject_HEAD
     42     Py_complex cval;
     43 } PyComplexObject;
     44 
     45 PyAPI_DATA(PyTypeObject) PyComplex_Type;
     46 
     47 #define PyComplex_Check(op) PyObject_TypeCheck(op, &PyComplex_Type)
     48 #define PyComplex_CheckExact(op) (Py_TYPE(op) == &PyComplex_Type)
     49 
     50 PyAPI_FUNC(PyObject *) PyComplex_FromCComplex(Py_complex);
     51 PyAPI_FUNC(PyObject *) PyComplex_FromDoubles(double real, double imag);
     52 
     53 PyAPI_FUNC(double) PyComplex_RealAsDouble(PyObject *op);
     54 PyAPI_FUNC(double) PyComplex_ImagAsDouble(PyObject *op);
     55 PyAPI_FUNC(Py_complex) PyComplex_AsCComplex(PyObject *op);
     56 
     57 /* Format the object based on the format_spec, as defined in PEP 3101
     58    (Advanced String Formatting). */
     59 PyAPI_FUNC(PyObject *) _PyComplex_FormatAdvanced(PyObject *obj,
     60                                                  char *format_spec,
     61                                                  Py_ssize_t format_spec_len);
     62 
     63 #ifdef __cplusplus
     64 }
     65 #endif
     66 #endif /* !Py_COMPLEXOBJECT_H */
     67