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