diff options
Diffstat (limited to 'math/math.h')
| -rw-r--r-- | math/math.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/math/math.h b/math/math.h index a5d5b504f2..2ac6f11032 100644 --- a/math/math.h +++ b/math/math.h @@ -269,7 +269,7 @@ extern int matherr __P ((struct exception *__exc)); /* Some useful constants. */ -#if defined __USE_BSD || defined __USE_UNIX98 +#if defined __USE_BSD || defined __USE_XOPEN # define M_E 2.7182818284590452354 /* e */ # define M_LOG2E 1.4426950408889634074 /* log_2 e */ # define M_LOG10E 0.43429448190325182765 /* log_10 e */ |