use different const in __expo2

[libm] / src / math / __expo2f.c

diff --git a/src/math/__expo2f.c b/src/math/__expo2f.c
index d35f440..7e61ba7 100644 (file)
--- a/src/math/__expo2f.c
+++ b/src/math/__expo2f.c
@@ -1,6 +1,6 @@
 #include "libm.h"
 
-/* k minimizes |exp(k ln2) - 2**k|, see cmath/__cexpf.c */
+/* k is such that k*ln2 has minimal error */
 static const uint32_t k = 235;
 static const float kln2 = 162.88958740f;