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-rw-r--r--ChangeLog10
-rw-r--r--math/math.h25
2 files changed, 25 insertions, 10 deletions
diff --git a/ChangeLog b/ChangeLog
index 798a816eba..c84a492cf0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2012-11-02  Joseph Myers  <joseph@codesourcery.com>
+
+	[BZ #3439]
+	* math/math.h (FP_NAN): Define macro to integer constant usable in
+	#if and use that to give value to enum constant.
+	(FP_INFINITE): Likewise.
+	(FP_ZERO): Likewise.
+	(FP_SUBNORMAL): Likewise.
+	(FP_NORMAL): Likewise.
+
 2012-11-02  Andreas Schwab  <schwab@linux-m68k.org>
 
 	* iconvdata/bug-iconv8.c (do_test): Use %z for size_t arguments.
diff --git a/math/math.h b/math/math.h
index bcdd5c9c74..0b4bc0ce6d 100644
--- a/math/math.h
+++ b/math/math.h
@@ -189,16 +189,21 @@ extern int signgam;
 /* All floating-point numbers can be put in one of these categories.  */
 enum
   {
-    FP_NAN,
-# define FP_NAN FP_NAN
-    FP_INFINITE,
-# define FP_INFINITE FP_INFINITE
-    FP_ZERO,
-# define FP_ZERO FP_ZERO
-    FP_SUBNORMAL,
-# define FP_SUBNORMAL FP_SUBNORMAL
-    FP_NORMAL
-# define FP_NORMAL FP_NORMAL
+    FP_NAN =
+# define FP_NAN 0
+      FP_NAN,
+    FP_INFINITE =
+# define FP_INFINITE 1
+      FP_INFINITE,
+    FP_ZERO =
+# define FP_ZERO 2
+      FP_ZERO,
+    FP_SUBNORMAL =
+# define FP_SUBNORMAL 3
+      FP_SUBNORMAL,
+    FP_NORMAL =
+# define FP_NORMAL 4
+      FP_NORMAL
   };
 
 /* Return number of classification appropriate for X.  */