diff options
Diffstat (limited to 'boost/math/special_functions/acosh.hpp')
-rw-r--r-- | boost/math/special_functions/acosh.hpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/boost/math/special_functions/acosh.hpp b/boost/math/special_functions/acosh.hpp index 0af5c94c14..3b7edbad3f 100644 --- a/boost/math/special_functions/acosh.hpp +++ b/boost/math/special_functions/acosh.hpp @@ -36,7 +36,7 @@ namespace boost { BOOST_MATH_STD_USING - if(x < 1) + if((x < 1) || (boost::math::isnan)(x)) { return policies::raise_domain_error<T>( "boost::math::acosh<%1%>(%1%)", |