--- /dev/null
+/* Test mpz_fits_*_p */
+
+/*
+Copyright 2001 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 "gmp.h"
+#include "gmp-impl.h"
+#include "tests.h"
+
+
+/* Nothing sophisticated here, just exercise mpz_fits_*_p on a small amount
+ of data. */
+
+#define EXPECT_S(fun,name,answer) \
+ got = fun (z); \
+ if (got != answer) \
+ { \
+ printf ("%s (%s) got %d want %d\n", name, expr, got, answer); \
+ printf (" z size %d\n", SIZ(z)); \
+ printf (" z dec "); mpz_out_str (stdout, 10, z); printf ("\n"); \
+ printf (" z hex "); mpz_out_str (stdout, 16, z); printf ("\n"); \
+ error = 1; \
+ }
+
+#if HAVE_STRINGIZE
+#define EXPECT(fun,answer) EXPECT_S(fun,#fun,answer)
+#else
+#define EXPECT(fun,answer) EXPECT_S(fun,"fun",answer)
+#endif
+
+int
+main (void)
+{
+ mpz_t z;
+ int got;
+ const char *expr;
+ int error = 0;
+
+ tests_start ();
+ mpz_init (z);
+
+ mpz_set_ui (z, 0L);
+ expr = "0";
+ EXPECT (mpz_fits_ulong_p, 1);
+ EXPECT (mpz_fits_uint_p, 1);
+ EXPECT (mpz_fits_ushort_p, 1);
+ EXPECT (mpz_fits_slong_p, 1);
+ EXPECT (mpz_fits_sint_p, 1);
+ EXPECT (mpz_fits_sshort_p, 1);
+
+ mpz_set_ui (z, 1L);
+ expr = "1";
+ EXPECT (mpz_fits_ulong_p, 1);
+ EXPECT (mpz_fits_uint_p, 1);
+ EXPECT (mpz_fits_ushort_p, 1);
+ EXPECT (mpz_fits_slong_p, 1);
+ EXPECT (mpz_fits_sint_p, 1);
+ EXPECT (mpz_fits_sshort_p, 1);
+
+ mpz_set_si (z, -1L);
+ expr = "-1";
+ EXPECT (mpz_fits_ulong_p, 0);
+ EXPECT (mpz_fits_uint_p, 0);
+ EXPECT (mpz_fits_ushort_p, 0);
+ EXPECT (mpz_fits_slong_p, 1);
+ EXPECT (mpz_fits_sint_p, 1);
+ EXPECT (mpz_fits_sshort_p, 1);
+
+ mpz_set_ui (z, 1L);
+ mpz_mul_2exp (z, z, 5L*BITS_PER_MP_LIMB);
+ expr = "2^(5*BPML)";
+ EXPECT (mpz_fits_ulong_p, 0);
+ EXPECT (mpz_fits_uint_p, 0);
+ EXPECT (mpz_fits_ushort_p, 0);
+ EXPECT (mpz_fits_slong_p, 0);
+ EXPECT (mpz_fits_sint_p, 0);
+ EXPECT (mpz_fits_sshort_p, 0);
+
+
+ mpz_set_ui (z, (unsigned long) USHRT_MAX);
+ expr = "USHRT_MAX";
+ EXPECT (mpz_fits_ulong_p, 1);
+ EXPECT (mpz_fits_uint_p, 1);
+ EXPECT (mpz_fits_ushort_p, 1);
+
+ mpz_set_ui (z, (unsigned long) USHRT_MAX);
+ mpz_add_ui (z, z, 1L);
+ expr = "USHRT_MAX + 1";
+ EXPECT (mpz_fits_ushort_p, 0);
+
+
+ mpz_set_ui (z, (unsigned long) UINT_MAX);
+ expr = "UINT_MAX";
+ EXPECT (mpz_fits_ulong_p, 1);
+ EXPECT (mpz_fits_uint_p, 1);
+
+ mpz_set_ui (z, (unsigned long) UINT_MAX);
+ mpz_add_ui (z, z, 1L);
+ expr = "UINT_MAX + 1";
+ EXPECT (mpz_fits_uint_p, 0);
+
+
+ mpz_set_ui (z, ULONG_MAX);
+ expr = "ULONG_MAX";
+ EXPECT (mpz_fits_ulong_p, 1);
+
+ mpz_set_ui (z, ULONG_MAX);
+ mpz_add_ui (z, z, 1L);
+ expr = "ULONG_MAX + 1";
+ EXPECT (mpz_fits_ulong_p, 0);
+
+
+ mpz_set_si (z, (long) SHRT_MAX);
+ expr = "SHRT_MAX";
+ EXPECT (mpz_fits_slong_p, 1);
+ EXPECT (mpz_fits_sint_p, 1);
+ EXPECT (mpz_fits_sshort_p, 1);
+
+ mpz_set_si (z, (long) SHRT_MAX);
+ mpz_add_ui (z, z, 1L);
+ expr = "SHRT_MAX + 1";
+ EXPECT (mpz_fits_sshort_p, 0);
+
+
+ mpz_set_si (z, (long) INT_MAX);
+ expr = "INT_MAX";
+ EXPECT (mpz_fits_slong_p, 1);
+ EXPECT (mpz_fits_sint_p, 1);
+
+ mpz_set_si (z, (long) INT_MAX);
+ mpz_add_ui (z, z, 1L);
+ expr = "INT_MAX + 1";
+ EXPECT (mpz_fits_sint_p, 0);
+
+
+ mpz_set_si (z, LONG_MAX);
+ expr = "LONG_MAX";
+ EXPECT (mpz_fits_slong_p, 1);
+
+ mpz_set_si (z, LONG_MAX);
+ mpz_add_ui (z, z, 1L);
+ expr = "LONG_MAX + 1";
+ EXPECT (mpz_fits_slong_p, 0);
+
+
+ mpz_set_si (z, (long) SHRT_MIN);
+ expr = "SHRT_MIN";
+ EXPECT (mpz_fits_slong_p, 1);
+ EXPECT (mpz_fits_sint_p, 1);
+ EXPECT (mpz_fits_sshort_p, 1);
+
+ mpz_set_si (z, (long) SHRT_MIN);
+ mpz_sub_ui (z, z, 1L);
+ expr = "SHRT_MIN + 1";
+ EXPECT (mpz_fits_sshort_p, 0);
+
+
+ mpz_set_si (z, (long) INT_MIN);
+ expr = "INT_MIN";
+ EXPECT (mpz_fits_slong_p, 1);
+ EXPECT (mpz_fits_sint_p, 1);
+
+ mpz_set_si (z, (long) INT_MIN);
+ mpz_sub_ui (z, z, 1L);
+ expr = "INT_MIN + 1";
+ EXPECT (mpz_fits_sint_p, 0);
+
+
+ mpz_set_si (z, LONG_MIN);
+ expr = "LONG_MIN";
+ EXPECT (mpz_fits_slong_p, 1);
+
+ mpz_set_si (z, LONG_MIN);
+ mpz_sub_ui (z, z, 1L);
+ expr = "LONG_MIN + 1";
+ EXPECT (mpz_fits_slong_p, 0);
+
+
+ if (error)
+ abort ();
+
+ mpz_clear (z);
+ tests_end ();
+ exit (0);
+}
projects / msp430-gcc.git / blobdiff