diff options
Diffstat (limited to 'missing/acosh.c')
-rw-r--r-- | missing/acosh.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/missing/acosh.c b/missing/acosh.c index 6a9daffa5f..a4443e191f 100644 --- a/missing/acosh.c +++ b/missing/acosh.c @@ -15,7 +15,7 @@ #include <math.h> /* DBL_MANT_DIG must be less than 4 times of bits of int */ -#ifdef DBL_MANT_DIG +#ifndef DBL_MANT_DIG #define DBL_MANT_DIG 53 /* in this case, at least 12 digit precision */ #endif #define BIG_CRITERIA_BIT (1<<DBL_MANT_DIG/2) |