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<h4 class="subsection">7.19.5 Beta Functions</h4>
<div class="defun">
— Function: double <b>gsl_sf_beta</b> (<var>double a, double b</var>)<var><a name="index-gsl_005fsf_005fbeta-617"></a></var><br>
— Function: int <b>gsl_sf_beta_e</b> (<var>double a, double b, gsl_sf_result * result</var>)<var><a name="index-gsl_005fsf_005fbeta_005fe-618"></a></var><br>
<blockquote><p><a name="index-Beta-function-619"></a>These routines compute the Beta Function, B(a,b) =
\Gamma(a)\Gamma(b)/\Gamma(a+b) subject to a and b not
being negative integers.
<!-- exceptions: GSL_EDOM, GSL_EOVRFLW, GSL_EUNDRFLW -->
</p></blockquote></div>
<div class="defun">
— Function: double <b>gsl_sf_lnbeta</b> (<var>double a, double b</var>)<var><a name="index-gsl_005fsf_005flnbeta-620"></a></var><br>
— Function: int <b>gsl_sf_lnbeta_e</b> (<var>double a, double b, gsl_sf_result * result</var>)<var><a name="index-gsl_005fsf_005flnbeta_005fe-621"></a></var><br>
<blockquote><p><a name="index-logarithm-of-Beta-function-622"></a>These routines compute the logarithm of the Beta Function, \log(B(a,b))
subject to a and b not
being negative integers.
<!-- exceptions: GSL_EDOM -->
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