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-rw-r--r--src/cfg_utils.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/cfg_utils.c b/src/cfg_utils.c
index d63e6bc93..21cf57481 100644
--- a/src/cfg_utils.c
+++ b/src/cfg_utils.c
@@ -727,7 +727,15 @@ internal_normalizer_func (struct config_file *cfg, long double score, void *data
return score;
}
else {
+#ifdef HAVE_TANHL
return max * tanhl (score / max);
+#else
+ /*
+ * As some implementations of libm does not support tanhl, try to use
+ * tanh
+ */
+ return max * tanh ((double) (score / max));
+#endif
}
return score;