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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