From 100afbcce8451ba7f460ea3102a092c5ce8652f6 Mon Sep 17 00:00:00 2001
From: jzmaddock <john@johnmaddock.co.uk>
Date: Sun, 20 Sep 2015 12:00:09 +0100
Subject: [PATCH] Suppress some msvc warnings.

---
 include/boost/multiprecision/cpp_int/bitwise.hpp | 9 +++++++++
 test/test_arithmetic.hpp                         | 7 +++----
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/include/boost/multiprecision/cpp_int/bitwise.hpp b/include/boost/multiprecision/cpp_int/bitwise.hpp
index a39e2590..dd6ba9d1 100644
--- a/include/boost/multiprecision/cpp_int/bitwise.hpp
+++ b/include/boost/multiprecision/cpp_int/bitwise.hpp
@@ -8,6 +8,11 @@
 #ifndef BOOST_MP_CPP_INT_BIT_HPP
 #define BOOST_MP_CPP_INT_BIT_HPP
 
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable:4319)
+#endif
+
 namespace boost{ namespace multiprecision{ namespace backends{
 
 template <unsigned MinBits1, unsigned MaxBits1, cpp_integer_type SignType1, cpp_int_check_type Checked1, class Allocator1, unsigned MinBits2, unsigned MaxBits2, cpp_integer_type SignType2, cpp_int_check_type Checked2, class Allocator2>
@@ -653,4 +658,8 @@ inline typename enable_if_c<
 
 }}} // namespaces
 
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+
 #endif
diff --git a/test/test_arithmetic.hpp b/test/test_arithmetic.hpp
index edb379c9..6106875c 100644
--- a/test/test_arithmetic.hpp
+++ b/test/test_arithmetic.hpp
@@ -567,7 +567,7 @@ void test_integer_ops(const boost::mpl::int_<boost::multiprecision::number_kind_
    BOOST_CHECK_EQUAL(c ,  a / b);
    BOOST_CHECK_EQUAL(r ,  a % b);
    BOOST_CHECK_EQUAL(integer_modulus(a, 57) ,  a % 57);
-   for(unsigned i = 0; i < 20; ++i)
+   for(i = 0; i < 20; ++i)
    {
       if(std::numeric_limits<Real>::is_specialized && (!std::numeric_limits<Real>::is_bounded || ((int)i * 17 < std::numeric_limits<Real>::digits)))
       {
@@ -872,9 +872,8 @@ void test_float_ops(const boost::mpl::int_<boost::multiprecision::number_kind_fl
    {
       BOOST_CHECK_EQUAL(scalbn(Real(2), 5), 2 * pow(double(std::numeric_limits<Real>::radix), 5));
       BOOST_CHECK_EQUAL(scalbn(Real(2), -5), Real(2) / pow(double(std::numeric_limits<Real>::radix), 5));
-      Real v(512);
-      int exponent;
-      Real r;
+      v = 512;
+      exponent;
       exponent = ilogb(v);
       r = scalbn(v, -exponent);
       BOOST_CHECK(r >= 1);