From ded1f3572d98a8e5753695238f02ff51f57e1a09 Mon Sep 17 00:00:00 2001
From: Ralph Lange <Ralph.Lange@gmx.de>
Date: Tue, 5 Aug 2014 10:42:25 +0200
Subject: [PATCH] ioc/db: force isnan()/isinf() to be 1 (instead of non-zero)

---
 src/ioc/db/recGbl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ioc/db/recGbl.c b/src/ioc/db/recGbl.c
index 2aeddf436..6466fa6cd 100644
--- a/src/ioc/db/recGbl.c
+++ b/src/ioc/db/recGbl.c
@@ -280,7 +280,7 @@ void recGblCheckDeadband(epicsFloat64 *poldval, const epicsFloat64 newval,
 {
     double delta = 0;
 
-    if (isnan(newval) != isnan(*poldval) || isinf(newval) != isinf(*poldval)) {
+    if (!!isnan(newval) != !!isnan(*poldval) || !!isinf(newval) != !!isinf(*poldval)) {
         /* one is NaN or +-inf, the other finite -> send update */
         delta = epicsINF;
     } else if (!isinf(newval) && !isnan(newval)) {