Martin Ettl <ettl.martin78@xxxxxxxxxxxxxx> writes: > is it possible to use the _Decimal32,64 and 128 datatype with g++. For some reason _Decimal32 and friends are only available for C, not for C++. I don't know why that is. Perhaps simply because they follow a standard developed by the C community but not, as far as I know, adopted by the C++ community. Or perhaps it's simply an oversight. Ian