GNU C Library master sources branch master updated. glibc-2.23-389-gd73e7bd

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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=d73e7bdb3a9284eb437b6cd84923658e25f922f2

commit d73e7bdb3a9284eb437b6cd84923658e25f922f2
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Thu May 26 20:55:03 2016 +0000

    Fix ldbl-128 j0l, j1l, y0l, y1l for sNaN argument (bug 20151).
    
    The ldbl-128 implementations of j0l, j1l, y0l, y1l (also used for
    ldbl-128ibm) return an sNaN argument unchanged.  This patch fixes them
    to add a NaN argument to itself to quiet it before return.
    
    Tested for mips64.
    
    	[BZ #20151]
    	* sysdeps/ieee754/ldbl-128/e_j0l.c (__ieee754_j0l): Add NaN
    	argument to itself before returning result.
    	(__ieee754_y0l): Likewise.
    	* sysdeps/ieee754/ldbl-128/e_j1l.c (__ieee754_j1l): Likewise.
    	(__ieee754_y1l).

diff --git a/ChangeLog b/ChangeLog
index 289d46c..b597ce9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
 2016-05-26  Joseph Myers  <joseph@codesourcery.com>
 
+	[BZ #20151]
+	* sysdeps/ieee754/ldbl-128/e_j0l.c (__ieee754_j0l): Add NaN
+	argument to itself before returning result.
+	(__ieee754_y0l): Likewise.
+	* sysdeps/ieee754/ldbl-128/e_j1l.c (__ieee754_j1l): Likewise.
+	(__ieee754_y1l).
+
 	* math/libm-test.inc (acosh_test_data): Add sNaN tests.
 	(atan_test_data): Likewise.
 	(ceil_test_data): Likewise.
diff --git a/sysdeps/ieee754/ldbl-128/e_j0l.c b/sysdeps/ieee754/ldbl-128/e_j0l.c
index c208916..ddc8214 100644
--- a/sysdeps/ieee754/ldbl-128/e_j0l.c
+++ b/sysdeps/ieee754/ldbl-128/e_j0l.c
@@ -683,7 +683,7 @@ __ieee754_j0l (long double x)
   if (! isfinite (x))
     {
       if (x != x)
-	return x;
+	return x + x;
       else
 	return 0.0L;
     }
@@ -831,7 +831,7 @@ long double
   if (! isfinite (x))
     {
       if (x != x)
-	return x;
+	return x + x;
       else
 	return 0.0L;
     }
diff --git a/sysdeps/ieee754/ldbl-128/e_j1l.c b/sysdeps/ieee754/ldbl-128/e_j1l.c
index f5b04c0..3265204 100644
--- a/sysdeps/ieee754/ldbl-128/e_j1l.c
+++ b/sysdeps/ieee754/ldbl-128/e_j1l.c
@@ -690,7 +690,7 @@ __ieee754_j1l (long double x)
   if (! isfinite (x))
     {
       if (x != x)
-	return x;
+	return x + x;
       else
 	return 0.0L;
     }
@@ -849,7 +849,7 @@ __ieee754_y1l (long double x)
   if (! isfinite (x))
     {
       if (x != x)
-	return x;
+	return x + x;
       else
 	return 0.0L;
     }

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                        |    7 +++++++
 sysdeps/ieee754/ldbl-128/e_j0l.c |    4 ++--
 sysdeps/ieee754/ldbl-128/e_j1l.c |    4 ++--
 3 files changed, 11 insertions(+), 4 deletions(-)


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