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CONFORMING TO: Note that the standards provide a weaker guarantee 

for the return value of isinf().
This commit is contained in:
Michael Kerrisk 2008-08-07 06:57:15 +00:00
parent e2858a6d2c
commit d41a0a779d
1 changed files with 6 additions and 1 deletions
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7
man3/fpclassify.3
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@ -3,7 +3,7 @@
.\" This was done with the help of the glibc manual.
.\"
.\" 2004-10-31, aeb, corrected
.TH FPCLASSIFY 3 2008-08-05 "" "Linux Programmer's Manual"
.TH FPCLASSIFY 3 2008-08-07 "" "Linux Programmer's Manual"
.SH NAME
fpclassify, isfinite, isnormal, isnan, isinf \- floating-point
classification macros
@ -100,6 +100,11 @@ is positive infinity, and \-1 if
is negative infinity.
.SH "CONFORMING TO"
C99, POSIX.1.
For
.BR isinf (),
the standards merely say that the return value is non-zero
if and only if the argument has an infinite value.
.SH NOTES
In glibc 2.01 and earlier,
.BR isinf ()