Merge pull request #272 from ikuokuo/master

Fixed half errhandling throw except

include/xtl/xhalf_float_impl.hpp

@@ -3996,14 +3996,31 @@ namespace half_float {
  /// \throw std::range_error if `FE_INEXACT` is selected and set
  inline void fethrowexcept(int excepts, const char *msg = "") {
  excepts &= detail::errflags();
- if(excepts & (FE_INVALID|FE_DIVBYZERO))
+#if HALF_ERRHANDLING_THROWS
+ #ifdef HALF_ERRHANDLING_THROW_INVALID
+ if(excepts & FE_INVALID)
  throw std::domain_error(msg);
+ #endif
+ #ifdef HALF_ERRHANDLING_THROW_DIVBYZERO
+ if(excepts & FE_DIVBYZERO)
+ throw std::domain_error(msg);
+ #endif
+ #ifdef HALF_ERRHANDLING_THROW_OVERFLOW
  if(excepts & FE_OVERFLOW)
  throw std::overflow_error(msg);
+ #endif
+ #ifdef HALF_ERRHANDLING_THROW_UNDERFLOW
  if(excepts & FE_UNDERFLOW)
  throw std::underflow_error(msg);
+ #endif
+ #ifdef HALF_ERRHANDLING_THROW_INEXACT
  if(excepts & FE_INEXACT)
  throw std::range_error(msg);
+ #endif
+#else
+ std::fprintf(stderr, "%s\n", msg);
+ std::terminate();
+#endif
  }
  /// \}
 }