complex_int_T446.pyx 1.3 KB
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# ticket: 446

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import cython

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cdef extern from *:
    """
    #if defined _MSC_VER && defined __cplusplus
    #define CYTHON_CCOMPLEX 0
    #endif
    """

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def test_arith(int complex a, int complex b):
    """
    >>> test_arith(4, 2)
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    ((-4+0j), (6+0j), (2+0j), (8+0j))
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    >>> test_arith(6+9j, 3j)
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    ((-6-9j), (6+12j), (6+6j), (-27+18j))
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    >>> test_arith(29+11j, 5+7j)
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    ((-29-11j), (34+18j), (24+4j), (68+258j))
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    """
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    return -a, a+b, a-b, a*b
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@cython.cdivision(False)
def test_div_by_zero(long complex z):
    """
    >>> test_div_by_zero(4j)
    -25j
    >>> test_div_by_zero(0)
    Traceback (most recent call last):
    ...
    ZeroDivisionError: float division
    """
    return 100/z

def test_coercion(int a, long b, int complex c):
    """
    >>> test_coercion(1, -2, 3-3j)
    (1+0j)
    (-2+0j)
    (3-3j)
    (5-6j)
    """
    cdef double complex z
    z = a; print z
    z = b; print z
    z = c; print z
    return z + a + b + c


def test_conjugate(long complex z):
    """
    >>> test_conjugate(2+3j)
    (2-3j)
    """
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    return z.conjugate()

def test_conjugate2(short complex z):
    """
    >>> test_conjugate2(2+3j)
    (2-3j)
    """
    return z.conjugate()

def test_conjugate3(long long complex z):
    """
    >>> test_conjugate3(2+3j)
    (2-3j)
    """
    return z.conjugate()