I am also in a great need of the code. I tried everywhere but couldn't even find the block diagram. Could you please send me the code or at least the diagram:
In contrast to IEEE float_pkg, it looks very much like it is.
From the documentation:
The libhdlfltp library is a coherent collection of floating point VHDL operators, constructed for synthesis to FPGA devices, as part of a coprocessor acceleration system, or as part of an embedded acceleration system. The main characteristics of the library are that it is fully pipelined and parameterized.