strtoumax: fix typo in previous commit.

[gnulib.git] / lib / tanl.c

diff --git a/lib/tanl.c b/lib/tanl.c
index e5efb06..ae70884 100644 (file)
--- a/lib/tanl.c
+++ b/lib/tanl.c
@@ -29,6 +29,9 @@ tanl (long double x)
 
 #else
 
+/* Code based on glibc/sysdeps/ieee754/ldbl-128/s_tanl.c
+   and           glibc/sysdeps/ieee754/ldbl-128/k_tanl.c.  */
+
 /* tanl(x)
  * Return tangent function of x.
  *