[Boost-commit] svn:boost r41026 - trunk/libs/math/test

From: john_at_[hidden]
Date: 2007-11-12 05:00:46

Author: johnmaddock
Date: 2007-11-12 05:00:46 EST (Mon, 12 Nov 2007)
New Revision: 41026
URL: http://svn.boost.org/trac/boost/changeset/41026

Log:
Adjust test logic to cope with compilers that don't underflow constants to zero when they should.
Text files modified: 
   trunk/libs/math/test/test_igamma_inva.cpp |     4 ++--                                    
   1 files changed, 2 insertions(+), 2 deletions(-)

Modified: trunk/libs/math/test/test_igamma_inva.cpp
==============================================================================
--- trunk/libs/math/test/test_igamma_inva.cpp	(original)
+++ trunk/libs/math/test/test_igamma_inva.cpp	2007-11-12 05:00:46 EST (Mon, 12 Nov 2007)
@@ -161,14 +161,14 @@
       //
       if(data[i][5] == 0)
          BOOST_CHECK_EQUAL(boost::math::gamma_p_inva(data[i][1], data[i][5]), boost::math::tools::max_value<value_type>());
-      else if((1 - data[i][5] > 0.001) && (fabs(data[i][5]) >= boost::math::tools::min_value<value_type>()))
+      else if((1 - data[i][5] > 0.001) && (fabs(data[i][5]) > 2 * boost::math::tools::min_value<value_type>()))
       {
          value_type inv = boost::math::gamma_p_inva(data[i][1], data[i][5]);
          BOOST_CHECK_CLOSE_EX(data[i][0], inv, precision, i);
       }
       else if(1 == data[i][5])
          BOOST_CHECK_EQUAL(boost::math::gamma_p_inva(data[i][1], data[i][5]), boost::math::tools::min_value<value_type>());
-      else
+      else if(data[i][3] > 2 * boost::math::tools::min_value<value_type>())
       {
          // not enough bits in our input to get back to x, but we should be in
          // the same ball park: