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-rw-r--r--ext/bigdecimal/missing.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/ext/bigdecimal/missing.h b/ext/bigdecimal/missing.h
index aa056c3..11b58c0 100644
--- a/ext/bigdecimal/missing.h
+++ b/ext/bigdecimal/missing.h
@@ -117,6 +117,9 @@ finite(double)
# endif
#endif
+/* dtoa */
+char *BigDecimal_dtoa(double d_, int mode, int ndigits, int *decpt, int *sign, char **rve);
+
/* rational */
#ifndef HAVE_RB_RATIONAL_NUM