[Boost-commit] svn:boost r81160 - in trunk: boost/spirit/home/karma/numeric/detail libs/spirit/test libs/spirit/test/karma

Subject: [Boost-commit] svn:boost r81160 - in trunk: boost/spirit/home/karma/numeric/detail libs/spirit/test libs/spirit/test/karma
From: hartmut.kaiser_at_[hidden]
Date: 2012-11-03 11:16:57

Author: hkaiser
Date: 2012-11-03 11:16:56 EDT (Sat, 03 Nov 2012)
New Revision: 81160
URL: http://svn.boost.org/trac/boost/changeset/81160

Log:
Spirit: fixed #7635: Karma real generators output "inf" when attribute is integral 0
Added:
   trunk/libs/spirit/test/karma/regression_real_0.cpp   (contents, props changed)
Text files modified: 
   trunk/boost/spirit/home/karma/numeric/detail/numeric_utils.hpp |     2 ++                                      
   trunk/libs/spirit/test/Jamfile                                 |     3 ++-                                     
   2 files changed, 4 insertions(+), 1 deletions(-)

Modified: trunk/boost/spirit/home/karma/numeric/detail/numeric_utils.hpp
==============================================================================
--- trunk/boost/spirit/home/karma/numeric/detail/numeric_utils.hpp	(original)
+++ trunk/boost/spirit/home/karma/numeric/detail/numeric_utils.hpp	2012-11-03 11:16:56 EDT (Sat, 03 Nov 2012)
@@ -285,6 +285,8 @@
     {
         static bool call(T n)
         {
+            if (!std::numeric_limits<T>::has_infinity) 
+                return false;
             return (n == std::numeric_limits<T>::infinity()) ? true : false;
         }
     };

Modified: trunk/libs/spirit/test/Jamfile
==============================================================================
--- trunk/libs/spirit/test/Jamfile	(original)
+++ trunk/libs/spirit/test/Jamfile	2012-11-03 11:16:56 EDT (Sat, 03 Nov 2012)
@@ -249,7 +249,8 @@
      [ run karma/regression_semantic_action_attribute.cpp  : : : :  karma_regression_semantic_action_attribute ]
      [ run karma/regression_real_scientific.cpp            : : : :  karma_regression_real_scientific ]
      [ run karma/regression_center_alignment.cpp           : : : :  karma_regression_center_alignment ]
-     [ run karma/regression_container_variant_sequence.cpp : : : :  regression_container_variant_sequence ]
+     [ run karma/regression_container_variant_sequence.cpp : : : :  karma_regression_container_variant_sequence ]
+     [ run karma/regression_real_0.cpp                     : : : :  karma_regression_real_0 ]
 
     ;
 

Added: trunk/libs/spirit/test/karma/regression_real_0.cpp
==============================================================================
--- (empty file)
+++ trunk/libs/spirit/test/karma/regression_real_0.cpp	2012-11-03 11:16:56 EDT (Sat, 03 Nov 2012)
@@ -0,0 +1,24 @@
+//  Copyright (c) 2012 Agustín K-ballo Berge
+//  Copyright (c) 2001-2012 Hartmut Kaiser
+// 
+//  Distributed under the Boost Software License, Version 1.0. (See accompanying 
+//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/config/warning_disable.hpp>
+#include <boost/spirit/include/karma.hpp>
+#include <boost/detail/lightweight_test.hpp>
+
+#include <iterator>
+#include <sstream>
+#include <string>
+
+int main( int argc, char** argv )
+{
+    namespace karma = boost::spirit::karma;
+    std::string output;
+    std::back_insert_iterator< std::string > sink = std::back_inserter( output );
+    karma::generate( sink, karma::double_, 0 ); // prints ¨inf¨ instead of ¨0.0¨
+    BOOST_TEST((output == "0.0"));
+    return boost::report_errors();
+}
+