sagemath/sagemath-libmpc.patch

diff -up sage-5.10/spkg/build/sage-5.10/c_lib/SConstruct.orig sage-5.10/spkg/build/sage-5.10/c_lib/SConstruct
--- sage-5.10/spkg/build/sage-5.10/c_lib/SConstruct.orig	2013-02-23 12:42:08.694809731 -0300
+++ sage-5.10/spkg/build/sage-5.10/c_lib/SConstruct	2013-02-23 12:43:00.412811711 -0300
@@ -145,7 +145,7 @@ soname = libname + "." + major
 shlink_flags += [ '-Wl,-Bsymbolic', '-Wl,-soname=%s' % soname ]
 
 lib = env.SharedLibrary( "csage", [ "src/" + x for x in srcFiles ],
-                         LIBS=['ntl', 'pari', 'gmp', 'python$PYV'], 
+                         LIBS=['ntl', 'pari', 'gmp', 'mpfr', 'python$PYV'], 
                          LIBPATH=['@@libdir@@','@@libdir@@/python$PYV/config/'],
                          SHLIBSUFFIX=shlib_suffix,
                          SHLINKFLAGS=shlink_flags,
diff -up sage-5.10/spkg/build/sage-5.10/c_lib/src/stdsage.c.orig sage-5.10/spkg/build/sage-5.10/c_lib/src/stdsage.c
--- sage-5.10/spkg/build/sage-5.10/c_lib/src/stdsage.c.orig	2013-02-23 12:42:18.286810098 -0300
+++ sage-5.10/spkg/build/sage-5.10/c_lib/src/stdsage.c	2013-02-23 12:43:15.062812272 -0300
@@ -58,3 +58,49 @@ void init_csage_module() {
     init_csage();
 #endif
 }
+
+#include <mpc.h>
+
+int
+mpc_div_2ui (mpc_ptr a, mpc_srcptr b, unsigned long int c, mpc_rnd_t rnd)
+{
+  int inex_re, inex_im;
+
+  inex_re = mpfr_div_2ui (mpc_realref(a), mpc_realref(b), c, MPC_RND_RE(rnd));
+  inex_im = mpfr_div_2ui (mpc_imagref(a), mpc_imagref(b), c, MPC_RND_IM(rnd));
+
+  return MPC_INEX(inex_re, inex_im);
+}
+
+int
+mpc_div_2si (mpc_ptr a, mpc_srcptr b, long int c, mpc_rnd_t rnd)
+{
+  int inex_re, inex_im;
+
+  inex_re = mpfr_div_2si (mpc_realref(a), mpc_realref(b), c, MPC_RND_RE(rnd));
+  inex_im = mpfr_div_2si (mpc_imagref(a), mpc_imagref(b), c, MPC_RND_IM(rnd));
+
+  return MPC_INEX(inex_re, inex_im);
+}
+
+int
+mpc_mul_2ui (mpc_ptr a, mpc_srcptr b, unsigned long int c, mpc_rnd_t rnd)
+{
+  int inex_re, inex_im;
+
+  inex_re = mpfr_mul_2ui (mpc_realref(a), mpc_realref(b), c, MPC_RND_RE(rnd));
+  inex_im = mpfr_mul_2ui (mpc_imagref(a), mpc_imagref(b), c, MPC_RND_IM(rnd));
+
+  return MPC_INEX(inex_re, inex_im);
+}
+
+int
+mpc_mul_2si (mpc_ptr a, mpc_srcptr b, long int c, mpc_rnd_t rnd)
+{
+  int inex_re, inex_im;
+
+  inex_re = mpfr_mul_2si (mpc_realref(a), mpc_realref(b), c, MPC_RND_RE(rnd));
+  inex_im = mpfr_mul_2si (mpc_imagref(a), mpc_imagref(b), c, MPC_RND_IM(rnd));
+
+  return MPC_INEX(inex_re, inex_im);
+}