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gvanrossumgvanrossum
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complex numbers a la Konrad Hinsen
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‎Include/complexobject.h‎

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#ifndef COMPLEXOBJECT_H
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#define COMPLEXOBJECT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Complex number structure */
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typedef struct {
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double real;
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double imag;
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} complex;
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/* Operations on complex numbers from complexmodule.c */
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extern complex c_sum();
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extern complex c_diff();
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extern complex c_neg();
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extern complex c_prod();
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extern complex c_quot();
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extern complex c_pow();
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/* Complex object interface */
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/*
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PyComplexObject represents a complex number with double-precision
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real and imaginary parts.
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*/
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typedef struct {
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PyObject_HEAD
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complex cval;
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} PyComplexObject;
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extern DL_IMPORT(PyTypeObject) PyComplex_Type;
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#define PyComplex_Check(op) ((op)->ob_type == &PyComplex_Type)
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extern PyObject *PyComplex_FromCComplex Py_PROTO((complex));
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extern PyObject *PyComplex_FromDoubles Py_PROTO((double real, double imag));
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extern double PyComplex_RealAsDouble Py_PROTO((PyObject *op));
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extern double PyComplex_ImagAsDouble Py_PROTO((PyObject *op));
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#ifdef __cplusplus
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}
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#endif
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#endif /* !COMPLEXOBJECT_H */

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