Issue #14521: Make result of float('nan') and float('-nan') more consistent across platforms.  Further, don't rely on Py_HUGE_VAL for float('inf').
diff --git a/Misc/NEWS b/Misc/NEWS
index 83f2e3e..fbc8b5f 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -10,6 +10,9 @@
 Core and Builtins
 -----------------
 
+- Issue #14521: Make result of float('nan') and float('-nan') more
+  consistent across platforms.
+
 - Issue #14646: __import__() sets __loader__ if the loader did not.
 
 - Issue #14605: No longer have implicit entries in sys.meta_path. If