Imported gcc-4.4.3

[msp430-gcc.git] / mpfr / tests / toutimpl.c

diff --git a/mpfr/tests/toutimpl.c b/mpfr/tests/toutimpl.c
new file mode 100644 (file)
index 0000000..5b035fc
--- /dev/null
+++ b/mpfr/tests/toutimpl.c
@@ -0,0 +1,124 @@
+/* Test file for internal debugging-out functions:
+   mpfr_dump, mpfr_print_binary, mpfr_print_rnd_mode.
+
+Copyright 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+Contributed by the Arenaire and Cacao projects, INRIA.
+
+This file is part of the GNU MPFR Library.
+
+The GNU MPFR Library 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 2.1 of the License, or (at your
+option) any later version.
+
+The GNU MPFR Library 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 the GNU MPFR Library; see the file COPYING.LIB.  If not, write to
+the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+MA 02110-1301, USA. */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "mpfr-test.h"
+
+/* We output stdout to a file to check if it is correct
+   Is it a good idea?
+   We can't use tmpname since it is insecure */
+#define FILE_NAME "dummy.tmp"
+
+static const char Buffer[] =
+"@NaN@\n"
+"-@Inf@\n"
+"-0\n"
+"0.10101010101011111001000110001100010000100000000000000E32\n";
+
+int
+main (void)
+{
+  mpfr_t x;
+  FILE *f;
+  int i;
+
+  tests_start_mpfr ();
+
+  /* Check RND_MODE */
+  if (strcmp (mpfr_print_rnd_mode(GMP_RNDN), "GMP_RNDN"))
+    {
+      printf ("Error for printing GMP_RNDN\n");
+      exit (1);
+    }
+  if (strcmp (mpfr_print_rnd_mode(GMP_RNDU), "GMP_RNDU"))
+    {
+      printf ("Error for printing GMP_RNDU\n");
+      exit (1);
+    }
+  if (strcmp (mpfr_print_rnd_mode(GMP_RNDD), "GMP_RNDD"))
+    {
+      printf ("Error for printing GMP_RNDD\n");
+      exit (1);
+    }
+  if (strcmp (mpfr_print_rnd_mode(GMP_RNDZ), "GMP_RNDZ"))
+    {
+      printf ("Error for printing GMP_RNDZ\n");
+      exit (1);
+    }
+  if (mpfr_print_rnd_mode ((mp_rnd_t) -1) != NULL ||
+      mpfr_print_rnd_mode (GMP_RND_MAX) != NULL)
+    {
+      printf ("Error for illegal rounding mode values.\n");
+      exit (1);
+    }
+
+  /* Reopen stdout to a file. All errors will be put to stderr
+     Can't use tmpname since it is unsecure */
+  if (freopen (FILE_NAME, "w", stdout) == NULL)
+    {
+      printf ("Error can't redirect stdout\n");
+      exit (1);
+    }
+  mpfr_init (x);
+  mpfr_set_nan (x);
+  mpfr_dump (x);
+  mpfr_set_inf (x, -1);
+  mpfr_dump (x);
+  MPFR_SET_ZERO (x); MPFR_SET_NEG (x);
+  mpfr_dump (x);
+  mpfr_set_str_binary (x, "0.101010101010111110010001100011000100001E32");
+  mpfr_dump (x);
+  mpfr_print_mant_binary ("x=",MPFR_MANT(x), MPFR_PREC(x));
+
+
+  mpfr_clear (x);
+  fclose (stdout);
+  /* Open it and check for it */
+  f = fopen (FILE_NAME, "r");
+  if (f == NULL)
+    {
+      fprintf (stderr, "Can't reopen file!\n");
+      exit (1);
+    }
+  for(i = 0 ; i < sizeof(Buffer)-1 ; i++)
+    {
+      if (feof (f))
+        {
+          fprintf (stderr, "Error EOF\n");
+          exit (1);
+        }
+      if (Buffer[i] != fgetc (f))
+        {
+          fprintf (stderr, "Character mismatch for i=%d / %lu\n",
+                  i, (unsigned long) sizeof(Buffer));
+          exit (1);
+        }
+    }
+  fclose (f);
+
+  remove (FILE_NAME);
+  tests_end_mpfr ();
+  return 0;
+}