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C/C++ Source or Header  |  2003-12-30  |  1.4 KB  |  59 lines
  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.  
  23. PyAPI_FUNC(Py_complex) c_sum(Py_complex, Py_complex);
  24. PyAPI_FUNC(Py_complex) c_diff(Py_complex, Py_complex);
  25. PyAPI_FUNC(Py_complex) c_neg(Py_complex);
  26. PyAPI_FUNC(Py_complex) c_prod(Py_complex, Py_complex);
  27. PyAPI_FUNC(Py_complex) c_quot(Py_complex, Py_complex);
  28. PyAPI_FUNC(Py_complex) c_pow(Py_complex, Py_complex);
  29.  
  30.  
  31. /* Complex object interface */
  32.  
  33. /*
  34. PyComplexObject represents a complex number with double-precision
  35. real and imaginary parts.
  36. */
  37.  
  38. typedef struct {
  39.     PyObject_HEAD
  40.     Py_complex cval;
  41. } PyComplexObject;     
  42.  
  43. PyAPI_DATA(PyTypeObject) PyComplex_Type;
  44.  
  45. #define PyComplex_Check(op) PyObject_TypeCheck(op, &PyComplex_Type)
  46. #define PyComplex_CheckExact(op) ((op)->ob_type == &PyComplex_Type)
  47.  
  48. PyAPI_FUNC(PyObject *) PyComplex_FromCComplex(Py_complex);
  49. PyAPI_FUNC(PyObject *) PyComplex_FromDoubles(double real, double imag);
  50.  
  51. PyAPI_FUNC(double) PyComplex_RealAsDouble(PyObject *op);
  52. PyAPI_FUNC(double) PyComplex_ImagAsDouble(PyObject *op);
  53. PyAPI_FUNC(Py_complex) PyComplex_AsCComplex(PyObject *op);
  54.  
  55. #ifdef __cplusplus
  56. }
  57. #endif
  58. #endif /* !Py_COMPLEXOBJECT_H */
  59.