From 034e4f469ee5aeb9e538d5dc9a2a38a12cde3811 Mon Sep 17 00:00:00 2001
From: "Christoph M. Wintersteiger" <cwinter@microsoft.com>
Date: Thu, 22 Jan 2015 18:43:23 +0000
Subject: [PATCH] Fixed memory leak

---
 src/api/api_fpa.cpp | 5 ++++-
 src/util/mpf.h      | 6 ++----
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/api/api_fpa.cpp b/src/api/api_fpa.cpp
index 96c3e2eb6..d9f534499 100644
--- a/src/api/api_fpa.cpp
+++ b/src/api/api_fpa.cpp
@@ -696,6 +696,7 @@ extern "C" {
         RESET_ERROR_CODE();
         ast_manager & m = mk_c(c)->m();
         mpf_manager & mpfm = mk_c(c)->fpa_util().fm();
+        unsynch_mpz_manager & mpzm = mpfm.mpz_manager();
         unsynch_mpq_manager & mpqm = mpfm.mpq_manager();
         fpa_decl_plugin * plugin = (fpa_decl_plugin*)m.get_plugin(mk_c(c)->get_fpa_fid());
         scoped_mpf val(mpfm);        
@@ -709,7 +710,9 @@ extern "C" {
         }
         unsigned sbits = val.get().get_sbits();
         scoped_mpq q(mpqm);
-        mpqm.set(q, mpfm.sig_normalized(val));
+        scoped_mpz sn(mpzm);
+        mpfm.sig_normalized(val, sn);
+        mpqm.set(q, sn);
         mpqm.div(q, mpfm.m_powers2(sbits - 1), q);
         std::stringstream ss;
         mpqm.display_decimal(ss, q, sbits);
diff --git a/src/util/mpf.h b/src/util/mpf.h
index 599e8e743..39eb7330e 100644
--- a/src/util/mpf.h
+++ b/src/util/mpf.h
@@ -146,14 +146,12 @@ public:
     
     bool sgn(mpf const & x) const { return x.sign; }
     const mpz & sig(mpf const & x) const { return x.significand; }
-    mpz sig_normalized(mpf const & x) { 
+    void sig_normalized(mpf const & x, mpz & res) { 
         mpf t;
         set(t, x);
         unpack(t, true);
-        mpz r;
-        mpz_manager().set(r, t.significand);
+        mpz_manager().set(res, t.significand);
         del(t);
-        return r;
     }
     const mpf_exp_t & exp(mpf const & x) const { return x.exponent; }
     mpf_exp_t exp_normalized(mpf const & x) {