[Boost-commit] svn:boost r66730 - trunk/boost/math/distributions/detail

Subject: [Boost-commit] svn:boost r66730 - trunk/boost/math/distributions/detail
From: pbristow_at_[hidden]
Date: 2010-11-24 11:51:37

Author: pbristow
Date: 2010-11-24 11:51:36 EST (Wed, 24 Nov 2010)
New Revision: 66730
URL: http://svn.boost.org/trac/boost/changeset/66730

Log:
Added new handling check.
Text files modified: 
   trunk/boost/math/distributions/detail/common_error_handling.hpp |    23 ++++++++++++++++++++++-                 
   1 files changed, 22 insertions(+), 1 deletions(-)

Modified: trunk/boost/math/distributions/detail/common_error_handling.hpp
==============================================================================
--- trunk/boost/math/distributions/detail/common_error_handling.hpp	(original)
+++ trunk/boost/math/distributions/detail/common_error_handling.hpp	2010-11-24 11:51:36 EST (Wed, 24 Nov 2010)
@@ -94,7 +94,28 @@
    // Note that this test catches both infinity and NaN.
    // Some special cases permit x to be infinite, so these must be tested 1st,
    // leaving this test to catch any NaNs.  see Normal and cauchy for example.
-}
+} // bool check_x
+
+template <class RealType, class Policy>
+inline bool check_x_gt0(
+      const char* function,
+      RealType x,
+      RealType* result,
+      const Policy& pol)
+{
+   if(x <= 0)
+   {
+      *result = policies::raise_domain_error<RealType>(
+         function,
+         "Random variate x is %1%, but must be > 0!", x, pol);
+      return false;
+   }
+
+   return true;
+   // Note that this test catches both infinity and NaN.
+   // Some special cases permit x to be infinite, so these must be tested 1st,
+   // leaving this test to catch any NaNs.  See Normal and cauchy for example.
+} // bool check_x_gt0
 
 template <class RealType, class Policy>
 inline bool check_positive_x(