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add rdoc.
[ruby-svn.git]
/
missing
/
finite.c
blob
8d0b7af262bbda281b66d4a88be51ca559d55ed6
1
/* public domain rewrite of finite(3) */
2
3
int
4
finite
(
double
n
)
5
{
6
return
!
isnan
(
n
) && !
isinf
(
n
);
7
}