@Udf(description = "Returns the cotangent of an INT value")
  public Double cot(
          @UdfParameter(
                  value = "value",
                  description = "The value in radians to get the cotangent of."
          ) final Integer value
  ) {
    return cot(value == null ? null : value.doubleValue());
  }
@Test
  public void shouldHandleLessThanNegative2Pi() {
    assertThat(udf.cot(-9.1), closeTo(2.9699983263892054, 0.000000000000001));
    assertThat(udf.cot(-6.3), closeTo(-59.46619211372627, 0.000000000000001));
    assertThat(udf.cot(-7), closeTo(-1.1475154224051356, 0.000000000000001));
    assertThat(udf.cot(-7L), closeTo(-1.1475154224051356, 0.000000000000001));
  }