diff options
Diffstat (limited to 'boost/math/special_functions/fpclassify.hpp')
| -rw-r--r-- | boost/math/special_functions/fpclassify.hpp | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/boost/math/special_functions/fpclassify.hpp b/boost/math/special_functions/fpclassify.hpp index 8e75fae0f2..0a4e1ac7aa 100644 --- a/boost/math/special_functions/fpclassify.hpp +++ b/boost/math/special_functions/fpclassify.hpp @@ -80,6 +80,9 @@ is used. #if defined(_MSC_VER) || defined(__BORLANDC__) #include <float.h> #endif +#ifdef BOOST_MATH_USE_FLOAT128 +#include "quadmath.h" +#endif #ifdef BOOST_NO_STDC_NAMESPACE namespace std{ using ::abs; using ::fabs; } @@ -121,7 +124,10 @@ inline bool is_nan_helper(T, const boost::false_type&) { return false; } - +#ifdef BOOST_MATH_USE_FLOAT128 +inline bool is_nan_helper(__float128 f, const boost::true_type&) { return ::isnanq(f); } +inline bool is_nan_helper(__float128 f, const boost::false_type&) { return ::isnanq(f); } +#endif } namespace math{ @@ -513,6 +519,13 @@ inline bool (isinf)(long double x) return detail::isinf_impl(static_cast<value_type>(x), method()); } #endif +#ifdef BOOST_MATH_USE_FLOAT128 +template<> +inline bool (isinf)(__float128 x) +{ + return ::isinfq(x); +} +#endif //------------------------------------------------------------------------------ @@ -598,6 +611,13 @@ inline bool (isnan)(long double x) return detail::isnan_impl(x, method()); } #endif +#ifdef BOOST_MATH_USE_FLOAT128 +template<> +inline bool (isnan)(__float128 x) +{ + return ::isnanq(x); +} +#endif } // namespace math } // namespace boost |