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-rw-r--r--libguile/numbers.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libguile/numbers.c b/libguile/numbers.c
index b926d2472..99b564e95 100644
--- a/libguile/numbers.c
+++ b/libguile/numbers.c
@@ -9953,7 +9953,7 @@ log_of_fraction (SCM n, SCM d)
long n_size = scm_to_long (scm_integer_length (n));
long d_size = scm_to_long (scm_integer_length (d));
- if (abs (n_size - d_size) > 1)
+ if (labs (n_size - d_size) > 1)
return (scm_difference (log_of_exact_integer (n),
log_of_exact_integer (d)));
else if (scm_is_false (scm_negative_p (n)))