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Diffstat (limited to 'gmp-6.3.0/tests/mpz/t-cmp_si.c')
-rw-r--r--gmp-6.3.0/tests/mpz/t-cmp_si.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/gmp-6.3.0/tests/mpz/t-cmp_si.c b/gmp-6.3.0/tests/mpz/t-cmp_si.c
new file mode 100644
index 0000000..7667d3e
--- /dev/null
+++ b/gmp-6.3.0/tests/mpz/t-cmp_si.c
@@ -0,0 +1,101 @@
+/* Test mpz_cmp_si.
+
+Copyright 2000, 2001 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library test suite.
+
+The GNU MP Library test suite is free software; you can redistribute it
+and/or modify it under the terms of the GNU 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 test suite 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 General
+Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "gmp-impl.h"
+#include "tests.h"
+
+#define SGN(x) ((x) < 0 ? -1 : (x) == 0 ? 0 : 1)
+
+void
+check_data (void)
+{
+ static const struct {
+ const char *a, *b;
+ int want;
+ } data[] = {
+ { "0", "1", -1 },
+ { "0", "0", 0 },
+ { "0", "-1", 1 },
+
+ { "1", "1", 0 },
+ { "1", "0", 1 },
+ { "1", "-1", 1 },
+
+ { "-1", "1", -1 },
+ { "-1", "0", -1 },
+ { "-1", "-1", 0 },
+
+ { "0", "-0x80000000", 1 },
+ { "0x80000000", "-0x80000000", 1 },
+ { "0x80000001", "-0x80000000", 1 },
+ { "-0x80000000", "-0x80000000", 0 },
+ { "-0x80000001", "-0x80000000", -1 },
+
+ { "0", "-0x8000000000000000", 1 },
+ { "0x8000000000000000", "-0x8000000000000000", 1 },
+ { "0x8000000000000001", "-0x8000000000000000", 1 },
+ { "-0x8000000000000000", "-0x8000000000000000", 0 },
+ { "-0x8000000000000001", "-0x8000000000000000", -1 },
+ };
+
+ mpz_t a, bz;
+ long b;
+ int got;
+ int i;
+
+ mpz_init (a);
+ mpz_init (bz);
+ for (i = 0; i < numberof (data); i++)
+ {
+ mpz_set_str_or_abort (a, data[i].a, 0);
+ mpz_set_str_or_abort (bz, data[i].b, 0);
+
+ if (mpz_fits_slong_p (bz))
+ {
+ b = mpz_get_si (bz);
+ got = mpz_cmp_si (a, b);
+ if (SGN (got) != data[i].want)
+ {
+ printf ("mpz_cmp_si wrong on data[%d]\n", i);
+ printf (" a="); mpz_out_str (stdout, 10, a); printf ("\n");
+ printf (" b=%ld\n", b);
+ printf (" got=%d\n", got);
+ printf (" want=%d\n", data[i].want);
+ abort();
+ }
+ }
+ }
+
+ mpz_clear (a);
+ mpz_clear (bz);
+}
+
+
+int
+main (void)
+{
+ tests_start ();
+
+ check_data ();
+
+ tests_end ();
+ exit (0);
+}