cython

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# mode: run
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# tag: cpp, werror, cpp20
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from libcpp.cmath cimport lerp
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def test_lerp(double a, double b, double t):
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    """ Test C++20 std::lerp function
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    >>> test_lerp(1.0, 2.0, 0.5)
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    1.5
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    >>> test_lerp(1.0, 4.0, 0.5)
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    2.5
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    """
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    return lerp(a, b, t)
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