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finite.3: ATTRIBUTES: Note functions that are thread-safe
The functions finite(), finitef(), finitel(), isinf(), isinff(), isinfl(), isnan(), isnanf() and isnanl() are thread safe. Signed-off-by: Peng Haitao <penght@cn.fujitsu.com> Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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.\" the source, must acknowledge the copyright and authors of this work.
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.\" %%%LICENSE_END
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.\"
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.TH FINITE 3 2008-08-05 "" "Linux Programmer's Manual"
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.TH FINITE 3 2013-07-22 "" "Linux Programmer's Manual"
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.SH NAME
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finite, finitef, finitel, isinf, isinff, isinfl, isnan, isnanf, isnanl \-
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BSD floating-point classification functions
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is positive infinity, \-1 if
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.I x
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is negative infinity, and 0 otherwise.
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.SH ATTRIBUTES
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.SS Multithreading (see pthreads(7))
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The
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.BR finite (),
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.BR finitef (),
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.BR finitel (),
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.BR isinf (),
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.BR isinff (),
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.BR isinfl (),
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.BR isnan (),
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.BR isnanf (),
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and
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.BR isnanl ()
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functions are thread-safe.
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.SH NOTES
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Note that these functions are obsolete.
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C99 defines macros
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