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-rw-r--r--src/string.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/src/string.c b/src/string.c
index c243e224f..4af8503b9 100644
--- a/src/string.c
+++ b/src/string.c
@@ -2157,9 +2157,6 @@ mrb_cstr_to_dbl(mrb_state *mrb, const char * p, mrb_bool badcheck)
{
char *end;
double d;
-#if !defined(DBL_DIG)
-# define DBL_DIG 16
-#endif
enum {max_width = 20};
#define OutOfRange() (((w = end - p) > max_width) ? \