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-rw-r--r--sysdeps/alpha/fpu/s_rint.c3
-rw-r--r--sysdeps/alpha/fpu/s_rintf.c3
2 files changed, 6 insertions, 0 deletions
diff --git a/sysdeps/alpha/fpu/s_rint.c b/sysdeps/alpha/fpu/s_rint.c
index f33fe72c11..259348afc0 100644
--- a/sysdeps/alpha/fpu/s_rint.c
+++ b/sysdeps/alpha/fpu/s_rint.c
@@ -23,6 +23,9 @@
 double
 __rint (double x)
 {
+  if (isnan (x))
+    return x + x;
+
   if (isless (fabs (x), 9007199254740992.0))	/* 1 << DBL_MANT_DIG */
     {
       double tmp1, new_x;
diff --git a/sysdeps/alpha/fpu/s_rintf.c b/sysdeps/alpha/fpu/s_rintf.c
index 1400dfe8d7..645728ad5b 100644
--- a/sysdeps/alpha/fpu/s_rintf.c
+++ b/sysdeps/alpha/fpu/s_rintf.c
@@ -22,6 +22,9 @@
 float
 __rintf (float x)
 {
+  if (isnanf (x))
+    return x + x;
+
   if (isless (fabsf (x), 16777216.0f))	/* 1 << FLT_MANT_DIG */
     {
       /* Note that Alpha S_Floating is stored in registers in a