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math: sin cos cleanup
author
Szabolcs Nagy
<nsz@port70.net>
Sat, 18 May 2013 14:40:22 +0000
(14:40 +0000)
committer
Szabolcs Nagy
<nsz@port70.net>
Sat, 18 May 2013 14:40:22 +0000
(14:40 +0000)
* use unsigned arithmetics
* use unsigned to store arg reduction quotient (so n&3 is understood)
* remove z=0.0 variables, use literal 0
* raise underflow and inexact exceptions properly when x is small
* fix spurious underflow in tanl
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