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complex numbers a la Konrad Hinsen

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Guido van Rossum 1996-01-12 00:47:05 +00:00
parent 77654a7e5e
commit f9fca9252f
2 changed files with 611 additions and 0 deletions
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Include/complexobject.h Normal file
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#ifndef COMPLEXOBJECT_H
#define COMPLEXOBJECT_H
#ifdef __cplusplus
extern "C" {
#endif
/* Complex number structure */
typedef struct {
double real;
double imag;
} complex;
/* Operations on complex numbers from complexmodule.c */
extern complex c_sum();
extern complex c_diff();
extern complex c_neg();
extern complex c_prod();
extern complex c_quot();
extern complex c_pow();
/* Complex object interface */
/*
PyComplexObject represents a complex number with double-precision
real and imaginary parts.
*/
typedef struct {
PyObject_HEAD
complex cval;
} PyComplexObject;
extern DL_IMPORT(PyTypeObject) PyComplex_Type;
#define PyComplex_Check(op) ((op)->ob_type == &PyComplex_Type)
extern PyObject *PyComplex_FromCComplex Py_PROTO((complex));
extern PyObject *PyComplex_FromDoubles Py_PROTO((double real, double imag));
extern double PyComplex_RealAsDouble Py_PROTO((PyObject *op));
extern double PyComplex_ImagAsDouble Py_PROTO((PyObject *op));
#ifdef __cplusplus
}
#endif
#endif /* !COMPLEXOBJECT_H */