Include/complexobject.h

   1 /* Complex number structure */
   2
   3 #ifndef COMPLEXOBJECT_H
   4 #define 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 extern DL_IMPORT(Py_complex) c_sum(Py_complex, Py_complex);
  24 extern DL_IMPORT(Py_complex) c_diff(Py_complex, Py_complex);
  25 extern DL_IMPORT(Py_complex) c_neg(Py_complex);
  26 extern DL_IMPORT(Py_complex) c_prod(Py_complex, Py_complex);
  27 extern DL_IMPORT(Py_complex) c_quot(Py_complex, Py_complex);
  28 extern DL_IMPORT(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 extern DL_IMPORT(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 extern DL_IMPORT(PyObject *) PyComplex_FromCComplex(Py_complex);
  49 extern DL_IMPORT(PyObject *) PyComplex_FromDoubles(double real, double imag);
  50
  51 extern DL_IMPORT(double) PyComplex_RealAsDouble(PyObject *op);
  52 extern DL_IMPORT(double) PyComplex_ImagAsDouble(PyObject *op);
  53 extern DL_IMPORT(Py_complex) PyComplex_AsCComplex(PyObject *op);
  54
  55 #ifdef __cplusplus
  56 }
  57 #endif
  58 #endif /* !COMPLEXOBJECT_H */