[Vm-dev] [OpenSmalltalk/opensmalltalk-vm] We need a solution for cross-platform bit-identical floating point. (#315)

[Nicolas Cellier]

Now that I'm fairly confident that my patches are OK, I suggest this:

- we keep fdlibm for backward compatibility;
- we maintain our own patched version;
- we don't add any new feature nor try to patch anything but correct compilation of existing source; this should generate very low level of activity (only if C standard change and break another thing);
- for this we clone https://github.com/nicolas-cellier-aka-nice/fdlibm/ on opensmalltalk so as to not depend on an exotic repository, and replace the fdlibm files by using a git submodule;
- we start an alternate FloatMathPlugin implementation based on another library (I suggest CRLibm but other suggestions are welcome).

Does it sound OK?

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