Here's a quick library for a class "Fixed"
that can replace "double" or "float" in C++ code
but do arithmetic in fixed point, with 16 bits to the
right of the "binary point".
Everything is in one header file. There is another file
that tests it.
PLEASE TEST IT CAREFULLY if you try using it!
I'm sure my testing is insufficient.
-- include this C++ header, then use the data type "Fixed"
-- this C++ file is the test
-- a benchmark routine; compile with -DM=2000 and try -DTYPE=Fixed, int, float, or double.
You might also try options like:
-O3 -march=pentium3 -freg-struct-return
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