src/bin/sage -t --warn-long 5.0 --random-seed=174653573728956284690523116673537031147 src/sage/rings/number_field/number_field_element_quadratic.pyx
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Error: Failed example:: Exception raised:
Traceback (most recent call last):
  File "/usr/share/miniconda/envs/sage-dev/lib/python3.11/site-packages/sage/doctest/forker.py", line 734, in _run
    self.compile_and_execute(example, compiler, test.globs)
  File "/usr/share/miniconda/envs/sage-dev/lib/python3.11/site-packages/sage/doctest/forker.py", line 1158, in compile_and_execute
    exec(compiled, globs)
  File "<doctest sage.rings.number_field.number_field_element_quadratic.NumberFieldElement_quadratic.round[8]>", line 7, in <module>
    assert round(a+b*sqrt(RealNumber('2.'))) == round(a+b*sqrt2), (a, b)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: (-437/2, 0)

    for _ in range(100):
       a = QQ.random_element(1000,20)
       b = QQ.random_element(1000,20)
       assert a.round() == round(K2(a)), a
       assert a.round() == round(K3(a)), a
       assert a.round() == round(K5(a)), a
       assert round(a+b*sqrt(2.)) == round(a+b*sqrt2), (a, b)
       assert round(a+b*sqrt(3.)) == round(a+b*sqrt3), (a, b)
       assert round(a+b*sqrt(5.)) == round(a+b*sqrt5), (a, b)
Exception raised:
    Traceback (most recent call last):
      File "/usr/share/miniconda/envs/sage-dev/lib/python3.11/site-packages/sage/doctest/forker.py", line 734, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/share/miniconda/envs/sage-dev/lib/python3.11/site-packages/sage/doctest/forker.py", line 1158, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.rings.number_field.number_field_element_quadratic.NumberFieldElement_quadratic.round[8]>", line 7, in <module>
        assert round(a+b*sqrt(RealNumber('2.'))) == round(a+b*sqrt2), (a, b)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    AssertionError: (-437/2, 0)
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