Per fpclassify(3): isinff(), isnanf(), finite(), and finitef() are deprecated
in favor of isinf(), isnan(), and isfinite().

ok tb@ martynas@

rcsid[] and sccsid[] and copyright[] are essentially unmaintained (and
unmaintainable). these days, people use source. these id's do not provide
any benefit, and do hurt the small install media
(th

rcsid[] and sccsid[] and copyright[] are essentially unmaintained (and
unmaintainable). these days, people use source. these id's do not provide
any benefit, and do hurt the small install media
(the 33,000 line diff is essentially mechanical)
ok with the idea millert, ok dms

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const static -> static const; since it's deprecated per C99. ok millert@

- expressions such as x != x and x == x are prone to errors and
ugly, when we have isnan and isinf
- no need to check for _IEEE, when checking for not-a-number
- remove some impossible checks
- while

- expressions such as x != x and x == x are prone to errors and
ugly, when we have isnan and isinf
- no need to check for _IEEE, when checking for not-a-number
- remove some impossible checks
- while here, drem->remainder, as drem is just an obsolete alias
now
ok millert@

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cleaning up, no functional changes
- no support for National 32000, removing ns32000/national ifdefs maze
- remove tahoe defs
- ansify
looks fine to millert@; who also noticed rint removal

- on non-ieee, rename gamma to tgamma, the 'true' gamma
- make gamma an alias of lgamma
- on ieee, add tgamma, based on gamma from non-ieee
- fixes for tgamma/lgamma/exp/log, esp. special cases (some

- on non-ieee, rename gamma to tgamma, the 'true' gamma
- make gamma an alias of lgamma
- on ieee, add tgamma, based on gamma from non-ieee
- fixes for tgamma/lgamma/exp/log, esp. special cases (some from
freebsd); properly raise invalid fp operations on vax
- also some general cleanup, ansification, man page (which was ok
jmc@)
- bump minor
this makes some ports using tgamma possible; also consistifies
behavior across openbsd/ieee and openbsd/non-ieee, and other operating
systems
much thanks sthen@, johan@, steven@, Simon Kuhnle, Wiktor Izdebski
for testing
ok millert@

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