[Boost-commit] svn:boost r42122 - sandbox/math_toolkit/boost/math/distributions

From: pbristow_at_[hidden]
Date: 2007-12-17 10:51:08

Author: pbristow
Date: 2007-12-17 10:51:08 EST (Mon, 17 Dec 2007)
New Revision: 42122
URL: http://svn.boost.org/trac/boost/changeset/42122

Log:
Changed support range to avoid a discontinuity at zero.
Text files modified: 
   sandbox/math_toolkit/boost/math/distributions/exponential.hpp |     4 +++-                                    
   1 files changed, 3 insertions(+), 1 deletions(-)

Modified: sandbox/math_toolkit/boost/math/distributions/exponential.hpp
==============================================================================
--- sandbox/math_toolkit/boost/math/distributions/exponential.hpp	(original)
+++ sandbox/math_toolkit/boost/math/distributions/exponential.hpp	2007-12-17 10:51:08 EST (Mon, 17 Dec 2007)
@@ -89,7 +89,9 @@
 { // Range of supported values for random variable x.
    // This is range where cdf rises from 0 to 1, and outside it, the pdf is zero.
    using boost::math::tools::max_value;
-   return std::pair<RealType, RealType>(0,  max_value<RealType>());
+   using boost::math::tools::min_value;
+   return std::pair<RealType, RealType>(min_value<RealType>(),  max_value<RealType>());
+   // min_value<RealType>() to avoid a discontinuity at x = 0.
 }
 
 template <class RealType, class Policy>