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-rw-r--r--libguile/scm.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/libguile/scm.h b/libguile/scm.h
index 6b229dde6..b73fd1abe 100644
--- a/libguile/scm.h
+++ b/libguile/scm.h
@@ -440,6 +440,11 @@ typedef uintptr_t scm_t_bits;
#define scm_fixnum_tag_mask 15
#define scm_fixnum_tag_size 4
+#define scm_fixrat_tag 7
+#define scm_fixrat_tag_mask 15
+#define scm_fixrat_tag_size 4
+#define scm_fixrat_rank_size 6
+
/* Definitions for tc3: */