From 0caf3bd18c830bf77167a690ef0814cf538697af Mon Sep 17 00:00:00 2001
From: "Christoph M. Wintersteiger" <cwinter@microsoft.com>
Date: Sun, 14 Jun 2015 18:59:46 -0700
Subject: [PATCH] Bugfix for mpf.is_regular

---
 src/util/mpf.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/util/mpf.h b/src/util/mpf.h
index bac502c58..ecacb3301 100644
--- a/src/util/mpf.h
+++ b/src/util/mpf.h
@@ -169,7 +169,7 @@ public:
     bool is_ninf(mpf const & x);
     bool is_normal(mpf const & x);
     bool is_denormal(mpf const & x);
-    bool is_regular(mpf const & x) { return x.sbits == 0 || is_normal(x) || is_denormal(x); }
+    bool is_regular(mpf const & x) { return x.sbits == 0 || is_zero(x) || is_normal(x) || is_denormal(x); }
 
     bool is_int(mpf const & x);