Fixed 64 bit compiler warnings from Tom Palaia/MacOS.

src/libCom/osi/epicsMath.cpp

@@ -1,8 +1,6 @@
 /*************************************************************************\
-* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
+* Copyright (c) 2009 UChicago Argonna LLC, as Operator of Argonne
 *     National Laboratory.
-* Copyright (c) 2002 The Regents of the University of California, as
-*     Operator of Los Alamos National Laboratory.
 * EPICS BASE is distributed subject to a Software License Agreement found
 * in file LICENSE that is included with this distribution. 
 \*************************************************************************/
@@ -13,20 +11,14 @@
 
 static float makeNAN ( void )
 {
-    float a,b,c;
-    a = 0.0;
-    b = 0.0;
-    c = a / b;
-    return c;
+    float a = 0, b = 0;
+    return a / b;
 }
 
 static float makeINF ( void )
 {
-    float a,b,c;
-    a = 1.0;
-    b = 0.0;
-    c = a / b;
-    return c;
+    float a = 1, b = 0;
+    return a / b;
 }
 
 epicsShareDef float epicsNAN = makeNAN();