[src/trunk]: src/include Use __INFINITY in preference to __builtin_inff(). C...

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/7aa5f8fcf80a
branches:  trunk
changeset: 773552:7aa5f8fcf80a
user:      matt <matt%NetBSD.org@localhost>
date:      Sun Feb 05 17:57:17 2012 +0000

description:
Use __INFINITY in preference to __builtin_inff().  Currently only VAX defines
__INFINITY and allows to use __builtin_huge_valf() instead since gcc4.5 will
error out unconditionally if __builtin_inf() is used.

diffstat:

 include/math.h |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (23 lines):

diff -r dafbc2827c5d -r 7aa5f8fcf80a include/math.h
--- a/include/math.h    Sun Feb 05 17:55:12 2012 +0000
+++ b/include/math.h    Sun Feb 05 17:57:17 2012 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: math.h,v 1.56 2011/07/28 22:32:28 joerg Exp $  */
+/*     $NetBSD: math.h,v 1.57 2012/02/05 17:57:17 matt Exp $   */
 
 /*
  * ====================================================
@@ -88,10 +88,10 @@
 #endif
 
 /* 7.12#4 INFINITY */
-#if __GNUC_PREREQ__(3, 3)
+#if defined(__INFINITY)
+#define        INFINITY        __INFINITY      /* float constant which overflows */
+#elif __GNUC_PREREQ__(3, 3)
 #define        INFINITY        __builtin_inff()
-#elif defined(__INFINITY)
-#define        INFINITY        __INFINITY      /* float constant which overflows */
 #else
 #define        INFINITY        HUGE_VALF       /* positive infinity */
 #endif /* __INFINITY */