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-rw-r--r--include/mrbconf.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/mrbconf.h b/include/mrbconf.h
index 6b0b9e37e..ee816e322 100644
--- a/include/mrbconf.h
+++ b/include/mrbconf.h
@@ -63,6 +63,9 @@
# endif
#endif
+#define MRB_COMPLEX_NUMBERS
+#define MRB_RATIONAL_NUMBERS
+
/* define on big endian machines; used by MRB_NAN_BOXING, etc. */
#ifndef MRB_ENDIAN_BIG
# if (defined(BYTE_ORDER) && defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN) || \