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Diffstat (limited to 'sysdeps/ieee754/flt-32/e_powf.c')
-rw-r--r--sysdeps/ieee754/flt-32/e_powf.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sysdeps/ieee754/flt-32/e_powf.c b/sysdeps/ieee754/flt-32/e_powf.c
index ece83f0dd2..d0c912188f 100644
--- a/sysdeps/ieee754/flt-32/e_powf.c
+++ b/sysdeps/ieee754/flt-32/e_powf.c
@@ -118,7 +118,8 @@ exp2_inline (double_t xd, uint32_t sign_bias)
   return y;
 }
 
-/* Returns 0 if not int, 1 if odd int, 2 if even int.  */
+/* Returns 0 if not int, 1 if odd int, 2 if even int.  The argument is
+   the bit representation of a non-zero finite floating-point value.  */
 static inline int
 checkint (uint32_t iy)
 {