@emufan:
no thats an very clever function of the two libraries you mentioned "mathieeedoubbas.library" and "mathieeedoubtrans.library" in principle all this system mathxxxx.library to use the FPU is there is any in the System, or use the slower builtin Softfloat when there is no FPU.
So if you depend your program on this libraries you program does not need to care for FPU available or not. (the FPU is just a little bit slower because you need additional jumps for every command)
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