 the wider exponent range of these types
          allow more extreme test cases to be tested. For example expected results
          that are zero at double precision, may be finite but exceptionally small
          with the wider exponent range of the long double types.
        </p>
<div class="table">
<a name="math_toolkit.special.sf_beta.ibeta_function.errors_in_the_function_ibeta_a_b_x_"></a><p class="title"><b>Table&#160;26.&#160;Errors In the Function ibeta(a,b,x)</b></p>
<div class="table-contents">