X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fisnan.c;h=a5a7d92c032c7743c66761532be276a34d396748;hb=387c96fc38b1985d677a25881ab99a449a00af22;hp=f26dc1ec1bfab51249067c5197fa265fd1460155;hpb=eef112c69472818b6aa3673505c24e1f41571b7d;p=gnulib.git

diff --git a/lib/isnan.c b/lib/isnan.c
index f26dc1ec1..a5a7d92c0 100644
--- a/lib/isnan.c
+++ b/lib/isnan.c
@@ -1,5 +1,5 @@
 /* Test for NaN that does not need libm.
-   Copyright (C) 2007-2011 Free Software Foundation, Inc.
+   Copyright (C) 2007-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -21,7 +21,7 @@
 /* Specification.  */
 #ifdef USE_LONG_DOUBLE
 /* Specification found in math.h or isnanl-nolibm.h.  */
-extern int rpl_isnanl (long double x);
+extern int rpl_isnanl (long double x) _GL_ATTRIBUTE_CONST;
 #elif ! defined USE_FLOAT
 /* Specification found in math.h or isnand-nolibm.h.  */
 extern int rpl_isnand (double x);
@@ -83,7 +83,7 @@ int
 FUNC (DOUBLE x)
 {
 #ifdef KNOWN_EXPBIT0_LOCATION
-# if defined USE_LONG_DOUBLE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_))
+# if defined USE_LONG_DOUBLE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
   /* Special CPU dependent code is needed to treat bit patterns outside the
      IEEE 754 specification (such as Pseudo-NaNs, Pseudo-Infinities,
      Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals) as NaNs.
@@ -157,7 +157,7 @@ FUNC (DOUBLE x)
      the signaling NaNs, handle only the quiet NaNs.  */
   if (x == x)
     {
-# if defined USE_LONG_DOUBLE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_))
+# if defined USE_LONG_DOUBLE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
       /* Detect any special bit patterns that pass ==; see comment above.  */
       memory_double m1;
       memory_double m2;