--- /dev/null
+/* Test that routines allow reusing a source variable as destination.
+
+Copyright 1996, 2000, 2001, 2002 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library.
+
+The GNU MP 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 3 of the License, or (at your
+option) any later version.
+
+The GNU MP 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 MP Library. If not, see http://www.gnu.org/licenses/. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "gmp.h"
+#include "gmp-impl.h"
+#include "tests.h"
+
+#if __GMP_LIBGMP_DLL
+
+/* FIXME: When linking to a DLL libgmp, mpf_add etc can't be used as
+ initializers for global variables because they're effectively global
+ variables (function pointers) themselves. Perhaps calling a test
+ function successively with mpf_add etc would be better. */
+
+int
+main (void)
+{
+ printf ("Test suppressed for windows DLL\n");
+ exit (0);
+}
+
+
+#else /* ! DLL_EXPORT */
+
+#ifndef SIZE
+#define SIZE 16
+#endif
+
+#ifndef EXPO
+#define EXPO 32
+#endif
+
+void dump_abort __GMP_PROTO ((char *, mpf_t, mpf_t));
+
+typedef void (*dss_func) __GMP_PROTO ((mpf_ptr, mpf_srcptr, mpf_srcptr));
+
+dss_func dss_funcs[] =
+{
+ mpf_div, mpf_add, mpf_mul, mpf_sub,
+};
+
+char *dss_func_names[] =
+{
+ "mpf_div", "mpf_add", "mpf_mul", "mpf_sub",
+};
+
+typedef void (*dsi_func) __GMP_PROTO ((mpf_ptr, mpf_srcptr, unsigned long int));
+
+dsi_func dsi_funcs[] =
+{
+ mpf_div_ui, mpf_add_ui, mpf_mul_ui, mpf_sub_ui,
+ mpf_mul_2exp, mpf_div_2exp
+};
+
+char *dsi_func_names[] =
+{
+ "mpf_div_ui", "mpf_add_ui", "mpf_mul_ui", "mpf_sub_ui",
+ "mpf_mul_2exp", "mpf_div_2exp"
+};
+
+typedef void (*dis_func) __GMP_PROTO ((mpf_ptr, unsigned long int, mpf_srcptr));
+
+dis_func dis_funcs[] =
+{
+ mpf_ui_div, mpf_ui_sub,
+};
+
+char *dis_func_names[] =
+{
+ "mpf_ui_div", "mpf_ui_sub",
+};
+
+int
+main (int argc, char **argv)
+{
+ int i;
+ int pass, reps = 10000;
+ mpf_t in1, in2, out1;
+ unsigned long int in1i, in2i;
+ mpf_t res1, res2, res3;
+ mp_size_t bprec = 100;
+
+ tests_start ();
+
+ if (argc > 1)
+ {
+ reps = strtol (argv[1], 0, 0);
+ if (argc > 2)
+ bprec = strtol (argv[2], 0, 0);
+ }
+
+ mpf_set_default_prec (bprec);
+
+ mpf_init (in1);
+ mpf_init (in2);
+ mpf_init (out1);
+ mpf_init (res1);
+ mpf_init (res2);
+ mpf_init (res3);
+
+ for (pass = 1; pass <= reps; pass++)
+ {
+ mpf_random2 (in1, urandom () % SIZE - SIZE/2, urandom () % EXPO);
+ mpf_random2 (in2, urandom () % SIZE - SIZE/2, urandom () % EXPO);
+
+ for (i = 0; i < sizeof (dss_funcs) / sizeof (dss_func); i++)
+ {
+ /* Don't divide by 0. */
+ if (i == 0 && mpf_cmp_ui (in2, 0) == 0)
+ continue;
+
+ (dss_funcs[i]) (res1, in1, in2);
+
+ mpf_set (out1, in1);
+ (dss_funcs[i]) (out1, out1, in2);
+ mpf_set (res2, out1);
+
+ mpf_set (out1, in2);
+ (dss_funcs[i]) (out1, in1, out1);
+ mpf_set (res3, out1);
+
+ if (mpf_cmp (res1, res2) != 0)
+ dump_abort (dss_func_names[i], res1, res2);
+ if (mpf_cmp (res1, res3) != 0)
+ dump_abort (dss_func_names[i], res1, res3);
+ }
+
+ in2i = urandom ();
+ for (i = 0; i < sizeof (dsi_funcs) / sizeof (dsi_func); i++)
+ {
+ /* Don't divide by 0. */
+ if (strcmp (dsi_func_names[i], "mpf_div_ui") == 0 && in2i == 0)
+ continue;
+
+ (dsi_funcs[i]) (res1, in1, in2i);
+
+ mpf_set (out1, in1);
+ (dsi_funcs[i]) (out1, out1, in2i);
+ mpf_set (res2, out1);
+
+ if (mpf_cmp (res1, res2) != 0)
+ dump_abort (dsi_func_names[i], res1, res2);
+ }
+
+ in1i = urandom ();
+ for (i = 0; i < sizeof (dis_funcs) / sizeof (dis_func); i++)
+ {
+ /* Don't divide by 0. */
+ if (strcmp (dis_func_names[i], "mpf_ui_div") == 0
+ && mpf_cmp_ui (in2, 0) == 0)
+ continue;
+
+ (dis_funcs[i]) (res1, in1i, in2);
+
+ mpf_set (out1, in2);
+ (dis_funcs[i]) (out1, in1i, out1);
+ mpf_set (res2, out1);
+
+ if (mpf_cmp (res1, res2) != 0)
+ dump_abort (dis_func_names[i], res1, res2);
+ }
+
+ }
+
+ mpf_clear (in1);
+ mpf_clear (in2);
+ mpf_clear (out1);
+ mpf_clear (res1);
+ mpf_clear (res2);
+ mpf_clear (res3);
+
+ tests_end ();
+ exit (0);
+}
+
+void
+dump_abort (char *name, mpf_t res1, mpf_t res2)
+{
+ printf ("failure in %s:\n", name);
+ mpf_dump (res1);
+ mpf_dump (res2);
+ abort ();
+}
+
+#if 0
+void mpf_abs __GMP_PROTO ((mpf_ptr, mpf_srcptr));
+void mpf_sqrt __GMP_PROTO ((mpf_ptr, mpf_srcptr));
+void mpf_neg __GMP_PROTO ((mpf_ptr, mpf_srcptr));
+#endif
+
+#endif /* ! DLL_EXPORT */