1 files changed, 34 insertions, 0 deletions
diff --git a/mpc/src/ui_ui_sub.c b/mpc/src/ui_ui_sub.c
new file mode 100644
index 0000000000..597ee0566c
--- /dev/null
+++ b/mpc/src/ui_ui_sub.c
@@ -0,0 +1,34 @@
+/* mpc_ui_ui_sub -- Subtract a complex number from another one given
+   implicitly by its real and imaginary parts of type unsigned long int.
+
+Copyright (C) 2011 INRIA
+
+This file is part of GNU MPC.
+
+GNU MPC is free software; you can redistribute it and/or modify it under
+the terms of the GNU Lesser General Public License as published by the
+Free Software Foundation; either version 3 of the License, or (at your
+option) any later version.
+
+GNU MPC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
+more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this program. If not, see http://www.gnu.org/licenses/ .
+*/
+
+#include "mpc-impl.h"
+
+int
+mpc_ui_ui_sub (mpc_ptr rop, unsigned long int re, unsigned long int im,
+               mpc_srcptr op, mpc_rnd_t rnd)
+{
+   int inex_re, inex_im;
+
+   inex_re = mpfr_ui_sub (mpc_realref (rop), re, mpc_realref (op), MPC_RND_RE (rnd));
+   inex_im = mpfr_ui_sub (mpc_imagref (rop), im, mpc_imagref (op), MPC_RND_IM (rnd));
+
+   return MPC_INEX (inex_re, inex_im);
+}