test_verify1.py 文件源码

def test_longdouble():
    ffi = FFI()
    ffi.cdef("long double sinl(long double x);")
    lib = ffi.verify('#include <math.h>', libraries=lib_m)
    for input in [1.23,
                  ffi.cast("double", 1.23),
                  ffi.cast("long double", 1.23)]:
        x = lib.sinl(input)
        assert repr(x).startswith("<cdata 'long double'")
        assert (float(x) - math.sin(1.23)) < 1E-10