How to use the cython.sizeof function in Cython

To help you get started, we’ve selected a few Cython examples, based on popular ways it is used in public projects.

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cython / cython / tests / run / pure_py.py View on Github

def test_sizeof():
    """
    &gt;&gt;&gt; test_sizeof()
    True
    True
    True
    True
    True
    """
    x = cython.declare(cython.bint)
    print(cython.sizeof(x) == cython.sizeof(cython.bint))
    print(sizeof(cython.char) &lt;= sizeof(cython.short) &lt;= sizeof(cython.int) &lt;= sizeof(cython.long) &lt;= sizeof(cython.longlong))
    print(cython.sizeof(cython.uint) == cython.sizeof(cython.int))
    print(cython.sizeof(cython.p_int) == cython.sizeof(cython.p_double))
    if cython.compiled:
        print(cython.sizeof(cython.char) &lt; cython.sizeof(cython.longlong))
    else:
        print(cython.sizeof(cython.char) == 1)

cython / cython / tests / run / pure_py.py View on Github

def test_sizeof():
    """
    &gt;&gt;&gt; test_sizeof()
    True
    True
    True
    True
    True
    """
    x = cython.declare(cython.bint)
    print(cython.sizeof(x) == cython.sizeof(cython.bint))
    print(sizeof(cython.char) &lt;= sizeof(cython.short) &lt;= sizeof(cython.int) &lt;= sizeof(cython.long) &lt;= sizeof(cython.longlong))
    print(cython.sizeof(cython.uint) == cython.sizeof(cython.int))
    print(cython.sizeof(cython.p_int) == cython.sizeof(cython.p_double))
    if cython.compiled:
        print(cython.sizeof(cython.char) &lt; cython.sizeof(cython.longlong))
    else:
        print(cython.sizeof(cython.char) == 1)

cython / cython / tests / run / pure_py.py View on Github

def test_sizeof():
    """
    &gt;&gt;&gt; test_sizeof()
    True
    True
    True
    True
    True
    """
    x = cython.declare(cython.bint)
    print(cython.sizeof(x) == cython.sizeof(cython.bint))
    print(sizeof(cython.char) &lt;= sizeof(cython.short) &lt;= sizeof(cython.int) &lt;= sizeof(cython.long) &lt;= sizeof(cython.longlong))
    print(cython.sizeof(cython.uint) == cython.sizeof(cython.int))
    print(cython.sizeof(cython.p_int) == cython.sizeof(cython.p_double))
    if cython.compiled:
        print(cython.sizeof(cython.char) &lt; cython.sizeof(cython.longlong))
    else:
        print(cython.sizeof(cython.char) == 1)

cython / cython / tests / run / pure_py.py View on Github

def test_declare(n):
    """
    >>> test_declare(100)
    (100, 100)
    >>> test_declare(100.5)
    (100, 100)
    >>> test_declare(None) #doctest: +ELLIPSIS
    Traceback (most recent call last):
    ...
    TypeError: ...
    """
    x = cython.declare(cython.int)
    y = cython.declare(cython.int, n)
    if cython.compiled:
        cython.declare(xx=cython.int, yy=cython.long)
        i = cython.sizeof(xx)
    ptr = cython.declare(cython.p_int, cython.address(y))
    return y, ptr[0]

cython / cython / tests / run / pure_py.py View on Github

&gt;&gt;&gt; test_sizeof()
    True
    True
    True
    True
    True
    """
    x = cython.declare(cython.bint)
    print(cython.sizeof(x) == cython.sizeof(cython.bint))
    print(sizeof(cython.char) &lt;= sizeof(cython.short) &lt;= sizeof(cython.int) &lt;= sizeof(cython.long) &lt;= sizeof(cython.longlong))
    print(cython.sizeof(cython.uint) == cython.sizeof(cython.int))
    print(cython.sizeof(cython.p_int) == cython.sizeof(cython.p_double))
    if cython.compiled:
        print(cython.sizeof(cython.char) &lt; cython.sizeof(cython.longlong))
    else:
        print(cython.sizeof(cython.char) == 1)

cython / cython / tests / run / pure_py.py View on Github

def test_sizeof():
    """
    &gt;&gt;&gt; test_sizeof()
    True
    True
    True
    True
    True
    """
    x = cython.declare(cython.bint)
    print(cython.sizeof(x) == cython.sizeof(cython.bint))
    print(sizeof(cython.char) &lt;= sizeof(cython.short) &lt;= sizeof(cython.int) &lt;= sizeof(cython.long) &lt;= sizeof(cython.longlong))
    print(cython.sizeof(cython.uint) == cython.sizeof(cython.int))
    print(cython.sizeof(cython.p_int) == cython.sizeof(cython.p_double))
    if cython.compiled:
        print(cython.sizeof(cython.char) &lt; cython.sizeof(cython.longlong))
    else:
        print(cython.sizeof(cython.char) == 1)

How to use the cython.sizeof function in Cython

To help you get started, we’ve selected a few Cython examples, based on popular ways it is used in public projects.

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