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-rw-r--r--sysdeps/ieee754/dbl-64/s_sin.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/ieee754/dbl-64/s_sin.c b/sysdeps/ieee754/dbl-64/s_sin.c
index 6f19f158f1..5183e55e8b 100644
--- a/sysdeps/ieee754/dbl-64/s_sin.c
+++ b/sysdeps/ieee754/dbl-64/s_sin.c
@@ -138,7 +138,7 @@ __sin(double x){
 	  cor=(ssn+s*ccs-sn*c)+cs*s;
 	  res=sn+cor;
 	  cor=(sn-res)+cor;
-	  return (res==res+1.025*cor)? res : slow1(x);
+	  return (res==res+1.096*cor)? res : slow1(x);
 	}    /*   else  if (k < 0x3feb6000)    */
 
 /*----------------------- 0.855469  <|x|<2.426265  ----------------------*/