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Diffstat (limited to 'man3/finite.3')
| -rw-r--r-- | man3/finite.3 | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/man3/finite.3 b/man3/finite.3 index 9c8a22745d..ef3585ed56 100644 --- a/man3/finite.3 +++ b/man3/finite.3 @@ -75,7 +75,13 @@ See On a glibc system, these functions are declared by .I <math.h> -when _BSD_SOURCE or _SVID_SOURCE or _GNU_SOURCE is defined. +when +.B _BSD_SOURCE +or +.B _SVID_SOURCE +or +.B _GNU_SOURCE +is defined. The isnan() functions will also be declared when _XOPEN_SOURCE is defined. .\" .SH HISTORY |