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-rw-r--r--sysdeps/ieee754/dbl-64/mptan.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/ieee754/dbl-64/mptan.c b/sysdeps/ieee754/dbl-64/mptan.c
index 51b5718e73..281bfca1c3 100644
--- a/sysdeps/ieee754/dbl-64/mptan.c
+++ b/sysdeps/ieee754/dbl-64/mptan.c
@@ -56,7 +56,7 @@ __mptan (double x, mp_no *mpy, int p)
   if (n)
     {
       __dvd (&mpc, &mps, mpy, p);
-      mpy->d[0] *= MONE;
+      mpy->d[0] *= -1;
     }
   /* tan is negative in this area.  */
   else