Add build/pkgs/mpmath/spkg-check.in

build/pkgs/mpmath/dependencies_check

@@ -0,0 +1,3 @@
+pytest
+----------
+All lines of this file are ignored except the first.

build/pkgs/mpmath/spkg-check.in

@@ -0,0 +1 @@
+pytest

src/sage/libs/mpmath/ext_main.pyx

@@ -14,6 +14,8 @@ context class, and related utilities.
 #                  http://www.gnu.org/licenses/
 #*****************************************************************************
 
+import numbers
+
 from cpython.long cimport *
 from cpython.float cimport *
 from cpython.complex cimport *
@@ -161,6 +163,11 @@ cdef int MPF_set_any(MPF *re, MPF *im, x, MPopts opts, bint str_tuple_ok) except
         #MPF_set_tuple(re, libmp.from_rational(p, q, opts.prec,
         #    rndmode_to_python(opts.rounding)))
         return 1
+    if isinstance(x, numbers.Rational):
+        p, q = x.numerator, x.denominator
+        MPF_set_tuple(re, libmp.from_rational(p, q, opts.prec,
+                                              rndmode_to_python(opts.rounding)))
+        return 1
     if hasattr(x, '_mpi_'):
         a, b = x._mpi_
         if a == b:
@@ -1600,6 +1607,8 @@ cdef class mpnumber:
             mpf('3.0')
         """
         return binop(OP_DIV, self, other, global_opts)
+    __div__ = __truediv__
+    __rdiv__ = __truediv__
 
     def __mod__(self, other):
         """
@@ -2144,6 +2153,8 @@ cdef class mpf(mpf_base):
         """
         return binop(OP_RICHCMP+op, self, other, global_opts)
 
+    def __round__(self, *args):
+        return round(float(self), *args)
 
 
 cdef class constant(mpf_base):