code: public void assertNotLessThan(Description description, Double actual, double expected) {
      assertNotNull(description, actual);
      if (isLessThan(actual, expected)) {
        throw failures.failure(description, shouldNotBeLessThan(actual, expected));
      }
    }
docs: Verifies that the actual value is not less than the expected.
  
  @param description the description of the <em>actual</em> value.
  @param actual the <em>actual</em> value.
  @param expected the <em>expected</em> value.