[Boost-commit] svn:boost r67087 - trunk/libs/math/test

Subject: [Boost-commit] svn:boost r67087 - trunk/libs/math/test
From: pbristow_at_[hidden]
Date: 2010-12-07 13:00:56

Author: pbristow
Date: 2010-12-07 13:00:54 EST (Tue, 07 Dec 2010)
New Revision: 67087
URL: http://svn.boost.org/trac/boost/changeset/67087

Log:
Comment on max theoretical accuracy for median which uses Brent's algorithm. 
Text files modified: 
   trunk/libs/math/test/test_beta_dist.cpp |     2 +-                                      
   1 files changed, 1 insertions(+), 1 deletions(-)

Modified: trunk/libs/math/test/test_beta_dist.cpp
==============================================================================
--- trunk/libs/math/test/test_beta_dist.cpp	(original)
+++ trunk/libs/math/test/test_beta_dist.cpp	2010-12-07 13:00:54 EST (Tue, 07 Dec 2010)
@@ -522,7 +522,7 @@
    BOOST_CHECK_CLOSE_FRACTION(variance(mybeta22), 0.05, tol);
    BOOST_CHECK_CLOSE_FRACTION(mean(mybeta22), 0.5, tol);
    BOOST_CHECK_CLOSE_FRACTION(mode(mybeta22), 0.5, tol);
-   BOOST_CHECK_CLOSE_FRACTION(median(mybeta22), 0.5, tol * 1e6);
+   BOOST_CHECK_CLOSE_FRACTION(median(mybeta22), 0.5, tol * 1e6); // theoretical maximum accuracy using Brent is sqrt(epsilon).
 
    BOOST_CHECK_CLOSE_FRACTION(skewness(mybeta22), 0.0, tol);
    BOOST_CHECK_CLOSE_FRACTION(kurtosis_excess(mybeta22), -144.0 / 168, tol);