Include/complexobject.h

   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 */