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https://github.com/python/cpython.git
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2400fa4ad1
Inhibited complex unary plus optimization when applied to a complex subtype. Added PyComplex_CheckExact macro. Some comments and minor code fiddling.
59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/* Complex number structure */
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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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typedef struct {
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double real;
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double imag;
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} Py_complex;
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/* Operations on complex numbers from complexmodule.c */
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#define c_sum _Py_c_sum
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#define c_diff _Py_c_diff
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#define c_neg _Py_c_neg
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#define c_prod _Py_c_prod
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#define c_quot _Py_c_quot
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#define c_pow _Py_c_pow
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extern DL_IMPORT(Py_complex) c_sum(Py_complex, Py_complex);
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extern DL_IMPORT(Py_complex) c_diff(Py_complex, Py_complex);
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extern DL_IMPORT(Py_complex) c_neg(Py_complex);
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extern DL_IMPORT(Py_complex) c_prod(Py_complex, Py_complex);
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extern DL_IMPORT(Py_complex) c_quot(Py_complex, Py_complex);
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extern DL_IMPORT(Py_complex) c_pow(Py_complex, Py_complex);
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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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Py_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) PyObject_TypeCheck(op, &PyComplex_Type)
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#define PyComplex_CheckExact(op) ((op)->ob_type == &PyComplex_Type)
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extern DL_IMPORT(PyObject *) PyComplex_FromCComplex(Py_complex);
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extern DL_IMPORT(PyObject *) PyComplex_FromDoubles(double real, double imag);
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extern DL_IMPORT(double) PyComplex_RealAsDouble(PyObject *op);
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extern DL_IMPORT(double) PyComplex_ImagAsDouble(PyObject *op);
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extern DL_IMPORT(Py_complex) PyComplex_AsCComplex(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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