file/fmul.c
fsqrt.c passes the test
create fsqrt.s but not checked yet
fmul.c like assembly
delete some files
finv.c and table for finv
update table and test finv
modify fmul.c and add fmul.s(not checked completely
delete tukawanai file
float funcs
Merge remote-tracking branch 'origin/developer' into aiueo
resolve conflict in float_arith.c
merge emak and fix conflicts
itof -> uitof, ftoi -> ftoui
Merge remote-tracking branch 'origin/hrontan' into developer
Merge remote-tracking branch 'origin/mori' into developer
Merge remote-tracking branch 'origin/aiueo' into developer
ftoi/itof/floor(passed some tyipical cases)
Merge branch 'wtr816' into developer
itof/ftoi/floor(passes all cases)