Commit [db0aaa] gagne/math Maximize Restore History

Updated floating point library from Diane Gagne

Last summer, I sent you some floating point functions to be added to the
libc. Over the past few months I have been using them steadily and
found a couple bugs, so here is a newer version, that works better.

fixes include:
MSP was crashing when attempting to add 2 negative 0's
Made code more readable with mask defines instead of magic numbers

Peter A. Bigot Peter A. Bigot 2011-04-07

added src/libm/mathsf.h
changed src/libm/addsf.c
changed src/libm/divsf.c
changed src/libm/mulsf.c
changed src/Makefile
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