Remove two unused constants (floatingatoll).
Remove an mprf("").
Improve a bad NUM_ enumerator.

Cardinals can't be negative, silly!  And it definitely shouldn't overlap.
tilepick.cc: change "Invalid tentacle type!" from ASSERT() to die()
Make a type more correct (geekosaur)
Mark a couple of functions as NORETURN (floatingatoll)
Remove some hard-coded 1e38s (floatingatoll, Grunt).

And replace them with DBL_MAX, which could theoretically be as low as 1e37.
add 4 assertions for variables that *must* be defined by the preceeding logic, or else a crash occurs