56 lines
1.8 KiB
Cython
56 lines
1.8 KiB
Cython
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cdef extern from "Python.h":
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ctypedef struct Py_complex:
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double imag
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double real
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############################################################################
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# 7.2.5.2 Complex Numbers as Python Objects
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############################################################################
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# PyComplexObject
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# This subtype of PyObject represents a Python complex number object.
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ctypedef class __builtin__.complex [object PyComplexObject]:
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cdef Py_complex cval
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@property
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cdef inline double real(self) noexcept:
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return self.cval.real
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@property
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cdef inline double imag(self) noexcept:
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return self.cval.imag
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# PyTypeObject PyComplex_Type
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# This instance of PyTypeObject represents the Python complex
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# number type. It is the same object as complex and
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# types.ComplexType.
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bint PyComplex_Check(object p)
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# Return true if its argument is a PyComplexObject or a subtype of
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# PyComplexObject.
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bint PyComplex_CheckExact(object p)
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# Return true if its argument is a PyComplexObject, but not a subtype of PyComplexObject.
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object PyComplex_FromCComplex(Py_complex v)
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# Return value: New reference.
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# Create a new Python complex number object from a C Py_complex value.
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object PyComplex_FromDoubles(double real, double imag)
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# Return value: New reference.
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# Return a new PyComplexObject object from real and imag.
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double PyComplex_RealAsDouble(object op) except? -1
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# Return the real part of op as a C double.
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double PyComplex_ImagAsDouble(object op) except? -1
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# Return the imaginary part of op as a C double.
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Py_complex PyComplex_AsCComplex(object op)
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# Return the Py_complex value of the complex number op.
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#
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# Returns (-1+0i) in case of an error
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