Fixed some usages of pow, and finished flargest.
Fixed some usages of pow, and finished flargest.

-- To avoid negative exponents in pow, switched to division.
-- Using EXP whenever possible.
-- Clarified is_binade to is_binade_bdry. Clarified comments.

soarlab/FPTaylor,soarlab/FPTaylor,soarlab/FPTaylor,soarlab/FPTaylor