code: public void assertNotEqual(Description description, Double actual, Double expected, Offset<Double> offset) {
      checkOffsetIsNotNull(offset);
      checkNumberIsNotNull(expected);
      assertNotNull(description, actual);
      if (isEqualTo(actual, expected, offset)) {
        throw failures.failure(description, shouldNotBeEqual(actual, expected));
      }
    }
docs: Verifies that two doubles are not equal.
  
  @param description the description of the <em>actual</em> value.
  @param actual the <em>actual</em> value.
  @param expected the <em>expected</em> value.
  @param offset the given positive <em>offset</em>.