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# ticket: 2891
# tag: c, no-cpp
cdef extern from "complex_numbers_c99_T398.h": pass
from libc.complex cimport cimag, creal, cabs, carg
def test_decomposing(double complex z):
"""
>>> test_decomposing(3+4j)
(3.0, 4.0, 5.0, 0.9272952180016122)
"""
return (creal(z), cimag(z), cabs(z), carg(z))
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