1 files changed, 72 insertions, 0 deletions
diff --git a/mpc/tests/tadd_fr.c b/mpc/tests/tadd_fr.c
new file mode 100644
index 0000000000..1f3b76a9a6
--- /dev/null
+++ b/mpc/tests/tadd_fr.c
@@ -0,0 +1,72 @@
+/* tadd_fr -- test file for mpc_add_fr.
+
+Copyright (C) 2008, 2010, 2012 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 <stdlib.h>
+#include "mpc-tests.h"
+
+static void
+check_ternary_value (mpfr_prec_t prec_max, mpfr_prec_t step)
+{
+  mpfr_prec_t prec;
+  mpc_t z;
+  mpfr_t f;
+
+  mpc_init2 (z, 2);
+  mpfr_init (f);
+
+  for (prec = 2; prec < prec_max; prec += step)
+    {
+      mpc_set_prec (z, prec);
+      mpfr_set_prec (f, prec);
+
+      mpc_set_ui (z, 1, MPC_RNDNN);
+      mpfr_set_ui (f, 1, GMP_RNDN);
+      if (mpc_add_fr (z, z, f, MPC_RNDNZ))
+        {
+          printf ("Error in mpc_add_fr: 1+1 should be exact\n");
+          exit (1);
+        }
+
+      mpc_set_ui (z, 1, MPC_RNDNN);
+      mpc_mul_2ui (z, z, (unsigned long int) prec, MPC_RNDNN);
+      if (mpc_add_fr (z, z, f, MPC_RNDNN) == 0)
+        {
+          fprintf (stderr, "Error in mpc_add_fr: 2^prec+1 cannot be exact\n");
+          exit (1);
+        }
+    }
+  mpc_clear (z);
+  mpfr_clear (f);
+}
+
+int
+main (void)
+{
+  DECL_FUNC (CCF, f, mpc_add_fr);
+  test_start ();
+
+  check_ternary_value (1024, 1);
+
+  data_check (f, "add_fr.dat");
+  tgeneric (f, 2, 1024, 7, 10);
+
+  test_end ();
+  return 0;
+}