dmd.root.longdouble
80-bit floating point value implementation if the C/D compiler does not support them natively.
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Copyright (C) 1999-2020 by The D Language Foundation, All Rights Reserved All Rights Reserved, written by Rainer Schuetze http://www.digitalmars.com Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE or copy at http://www.boost.org/LICENSE_1_0.txt) https://github.com/dlang/dmd/blob/master/src/root/longdouble.d