[Cfp-interest 1883] fabs and copysign cleanup

[Jim Thomas]

In addressing an action item to reword the signbit specification to account for it’s being a bit-level operation, I also looked at fabs and copysign which are also bit-level operations, at least for IEC 60559 implementations. Here are some suggestions for these specification:

https://wiki.edg.com/pub/CFP/WebHome/C23_proposal_-_fabs_and_copysign_cleanup.pdf

- Jim Thomas