view Include/complexobject.h @ 11518:cc412dfd79f7 legacy-trunk

New examples by Tony Ingraldi, using dns-lookup in stead of the funny interslip module.
author Jack Jansen <jack.jansen@cwi.nl>
date Fri, 03 Dec 1999 15:15:28 +0000
parents 60fdb1db1175
children 5709ddba423c
line wrap: on
line source

#ifndef COMPLEXOBJECT_H
#define COMPLEXOBJECT_H
#ifdef __cplusplus
extern "C" {
#endif

/* Complex number structure */

typedef struct {
   double real;
   double imag;
} Py_complex;

/* Operations on complex numbers from complexmodule.c */

#define c_sum _Py_c_sum
#define c_diff _Py_c_diff
#define c_neg _Py_c_neg
#define c_prod _Py_c_prod
#define c_quot _Py_c_quot
#define c_pow _Py_c_pow

extern DL_IMPORT(Py_complex) c_sum Py_PROTO((Py_complex, Py_complex));
extern DL_IMPORT(Py_complex) c_diff Py_PROTO((Py_complex, Py_complex));
extern DL_IMPORT(Py_complex) c_neg Py_PROTO((Py_complex));
extern DL_IMPORT(Py_complex) c_prod Py_PROTO((Py_complex, Py_complex));
extern DL_IMPORT(Py_complex) c_quot Py_PROTO((Py_complex, Py_complex));
extern DL_IMPORT(Py_complex) c_pow Py_PROTO((Py_complex, Py_complex));


/* Complex object interface */

/*
PyComplexObject represents a complex number with double-precision
real and imaginary parts.
*/

typedef struct {
	PyObject_HEAD
	Py_complex cval;
} PyComplexObject;     

extern DL_IMPORT(PyTypeObject) PyComplex_Type;

#define PyComplex_Check(op) ((op)->ob_type == &PyComplex_Type)

extern DL_IMPORT(PyObject *) PyComplex_FromCComplex Py_PROTO((Py_complex));
extern DL_IMPORT(PyObject *) PyComplex_FromDoubles Py_PROTO((double real, double imag));

extern DL_IMPORT(double) PyComplex_RealAsDouble Py_PROTO((PyObject *op));
extern DL_IMPORT(double) PyComplex_ImagAsDouble Py_PROTO((PyObject *op));
extern DL_IMPORT(Py_complex) PyComplex_AsCComplex Py_PROTO((PyObject *op));

#ifdef __cplusplus
}
#endif
#endif /* !COMPLEXOBJECT_H */