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Diffstat (limited to 'man3/fpclassify.3')
| -rw-r--r-- | man3/fpclassify.3 | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/man3/fpclassify.3 b/man3/fpclassify.3 index 264090e369..0dd6ead84a 100644 --- a/man3/fpclassify.3 +++ b/man3/fpclassify.3 @@ -126,19 +126,21 @@ T} Thread safety MT-Safe .ad .sp 1 .SH STANDARDS -POSIX.1-2001, POSIX.1-2008, C99. +C11, POSIX.1-2008. +.SH HISTORY +POSIX.1-2001, C99. .PP -For -.BR isinf (), -the standards merely say that the return value is nonzero -if and only if the argument has an infinite value. -.SH NOTES In glibc 2.01 and earlier, .BR isinf () returns a nonzero value (actually: 1) if .I x is positive infinity or negative infinity. (This is all that C99 requires.) +.SH NOTES +For +.BR isinf (), +the standards merely say that the return value is nonzero +if and only if the argument has an infinite value. .SH SEE ALSO .BR finite (3), .BR INFINITY (3), |