test_verify1.py 文件源码

def test_Wconversion_floating():
    lib = _Wconversion("float sin(double);",
                       "#include <math.h>", libraries=lib_m)
    res = lib.sin(1.23)
    assert res != math.sin(1.23)     # not exact, because of double->float
    assert abs(res - math.sin(1.23)) < 1E-5