Merge pull request #236 from bluescarni/pr/real_iter

real backports from #232

doc/changelog.rst

@@ -41,6 +41,10 @@ New
 Changes
 ~~~~~~~
 
+- :cpp:class:`~mppp::real` move operations from
+  :cpp:type:`mpfr_t` have been disabled on MSVC
+  due to compiler issues
+  (`#236 <https://github.com/bluescarni/mppp/pull/236>`__).
 - Improve the implementation of :cpp:class:`~mppp::real`
   binary operators/functions by using the MPFR primitives
   more extensively and by handling mixed-precision computations

doc/real.rst

@@ -256,6 +256,10 @@ The real class
          called on *x*: the resources previously owned by *x* are now owned by ``this``, which
          will take care of releasing them when the destructor is called.
 
+      .. note::
+
+         Due to a compiler bug, this constructor is not available on Microsoft Visual Studio.
+
       :param x: the :cpp:type:`mpfr_t` that will be moved.
 
    .. cpp:function:: ~real()
@@ -339,6 +343,10 @@ The real class
          called on *x*: the resources previously owned by *x* are now owned by ``this``, which
          will take care of releasing them when the destructor is called.
 
+      .. note::
+
+         Due to a compiler bug, this operator is not available on Microsoft Visual Studio.
+
       :param x: the assignment argument.
 
       :return: a reference to ``this``.

include/mp++/real.hpp

@@ -398,8 +398,10 @@ class MPPP_DLL_PUBLIC real
 
     // Copy constructor from mpfr_t.
     explicit real(const ::mpfr_t);
+#if !defined(_MSC_VER) || defined(__clang__)
     // Move constructor from mpfr_t.
     explicit real(::mpfr_t &&x) : m_mpfr(*x) {}
+#endif
 
     // Destructor.
     ~real();
@@ -539,8 +541,10 @@ class MPPP_DLL_PUBLIC real
     // Copy assignment from mpfr_t.
     real &operator=(const ::mpfr_t);
 
+#if !defined(_MSC_VER) || defined(__clang__)
     // Move assignment from mpfr_t.
     real &operator=(::mpfr_t &&);
+#endif
 
     // Check validity.
     bool is_valid() const noexcept

src/real.cpp

@@ -726,6 +726,8 @@ real &real::operator=(const ::mpfr_t x)
     return *this;
 }
 
+#if !defined(_MSC_VER) || defined(__clang__)
+
 // Move assignment from mpfr_t.
 real &real::operator=(::mpfr_t &&x)
 {
@@ -736,6 +738,8 @@ real &real::operator=(::mpfr_t &&x)
     return *this;
 }
 
+#endif
+
 // Set to another real.
 real &real::set(const real &other)
 {