Imported gcc-4.4.3

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

diff --git a/mpfr/tests/tisnan.c b/mpfr/tests/tisnan.c
new file mode 100644 (file)
index 0000000..378b31b
--- /dev/null
+++ b/mpfr/tests/tisnan.c
@@ -0,0 +1,157 @@
+/* Test file for mpfr_nan_p, mpfr_inf_p and mpfr_number_p.
+
+Copyright 2001, 2002, 2003, 2004, 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 <stdio.h>
+#include <stdlib.h>
+
+#include "mpfr-test.h"
+
+int
+main (void)
+{
+  mpfr_t  x;
+
+  tests_start_mpfr ();
+
+  mpfr_init (x);
+
+  /* check +infinity gives non-zero for mpfr_inf_p only */
+  mpfr_set_ui (x, 1L, GMP_RNDZ);
+  mpfr_div_ui (x, x, 0L, GMP_RNDZ);
+  if (mpfr_nan_p (x) || (mpfr_nan_p) (x) )
+    {
+      printf ("Error: mpfr_nan_p(+Inf) gives non-zero\n");
+      exit (1);
+    }
+  if (mpfr_inf_p (x) == 0)
+    {
+      printf ("Error: mpfr_inf_p(+Inf) gives zero\n");
+      exit (1);
+    }
+  if (mpfr_number_p (x) || (mpfr_number_p) (x) )
+    {
+      printf ("Error: mpfr_number_p(+Inf) gives non-zero\n");
+      exit (1);
+    }
+  if (mpfr_zero_p (x) || (mpfr_zero_p) (x) )
+    {
+      printf ("Error: mpfr_zero_p(+Inf) gives non-zero\n");
+      exit (1);
+    }
+
+  /* same for -Inf */
+  mpfr_neg (x, x, GMP_RNDN);
+  if (mpfr_nan_p (x) || (mpfr_nan_p(x)))
+    {
+      printf ("Error: mpfr_nan_p(-Inf) gives non-zero\n");
+      exit (1);
+    }
+  if (mpfr_inf_p (x) == 0)
+    {
+      printf ("Error: mpfr_inf_p(-Inf) gives zero\n");
+      exit (1);
+    }
+  if (mpfr_number_p (x) || (mpfr_number_p)(x) )
+    {
+      printf ("Error: mpfr_number_p(-Inf) gives non-zero\n");
+      exit (1);
+    }
+  if (mpfr_zero_p (x) || (mpfr_zero_p)(x) )
+    {
+      printf ("Error: mpfr_zero_p(-Inf) gives non-zero\n");
+      exit (1);
+    }
+
+  /* same for NaN */
+  mpfr_sub (x, x, x, GMP_RNDN);
+  if (mpfr_nan_p (x) == 0)
+    {
+      printf ("Error: mpfr_nan_p(NaN) gives zero\n");
+      exit (1);
+    }
+  if (mpfr_inf_p (x) || (mpfr_inf_p)(x) )
+    {
+      printf ("Error: mpfr_inf_p(NaN) gives non-zero\n");
+      exit (1);
+    }
+  if (mpfr_number_p (x) || (mpfr_number_p) (x) )
+    {
+      printf ("Error: mpfr_number_p(NaN) gives non-zero\n");
+      exit (1);
+    }
+  if (mpfr_zero_p (x) || (mpfr_zero_p)(x) )
+    {
+      printf ("Error: mpfr_number_p(NaN) gives non-zero\n");
+      exit (1);
+    }
+
+  /* same for an ordinary number */
+  mpfr_set_ui (x, 1, GMP_RNDN);
+  if (mpfr_nan_p (x) || (mpfr_nan_p)(x))
+    {
+      printf ("Error: mpfr_nan_p(1) gives non-zero\n");
+      exit (1);
+    }
+  if (mpfr_inf_p (x) || (mpfr_inf_p)(x) )
+    {
+      printf ("Error: mpfr_inf_p(1) gives non-zero\n");
+      exit (1);
+    }
+  if (mpfr_number_p (x) == 0)
+    {
+      printf ("Error: mpfr_number_p(1) gives zero\n");
+      exit (1);
+    }
+  if (mpfr_zero_p (x) || (mpfr_zero_p) (x) )
+    {
+      printf ("Error: mpfr_zero_p(1) gives non-zero\n");
+      exit (1);
+    }
+
+  /* Same for 0 */
+  mpfr_set_ui (x, 0, GMP_RNDN);
+  if (mpfr_nan_p (x) || (mpfr_nan_p)(x))
+    {
+      printf ("Error: mpfr_nan_p(0) gives non-zero\n");
+      exit (1);
+    }
+  if (mpfr_inf_p (x) || (mpfr_inf_p)(x) )
+    {
+      printf ("Error: mpfr_inf_p(0) gives non-zero\n");
+      exit (1);
+    }
+  if (mpfr_number_p (x) == 0)
+    {
+      printf ("Error: mpfr_number_p(0) gives zero\n");
+      exit (1);
+    }
+  if (mpfr_zero_p (x) == 0 )
+    {
+      printf ("Error: mpfr_zero_p(0) gives zero\n");
+      exit (1);
+    }
+
+  mpfr_clear (x);
+
+  tests_end_mpfr ();
+  return 0;
+}