t-misc.cc
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- /* Test mp*_class functions.
- Copyright 2002, 2003 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/. */
- /* Note that we don't use <climits> for LONG_MIN, but instead our own
- definitions in gmp-impl.h. In g++ 2.95.4 (debian 3.0) under
- -mcpu=ultrasparc, limits.h sees __sparc_v9__ defined and assumes that
- means long is 64-bit long, but it's only 32-bits, causing fatal compile
- errors. */
- #include "config.h"
- #include <string>
- #include "gmp.h"
- #include "gmpxx.h"
- #include "gmp-impl.h"
- #include "tests.h"
- using namespace std;
- void
- check_mpz (void)
- {
- // mpz_class::fits_sint_p
- {
- int fits;
- mpz_class z;
- z = INT_MIN; fits = z.fits_sint_p(); ASSERT_ALWAYS (fits);
- z--; fits = z.fits_sint_p(); ASSERT_ALWAYS (! fits);
- z = INT_MAX; fits = z.fits_sint_p(); ASSERT_ALWAYS (fits);
- z++; fits = z.fits_sint_p(); ASSERT_ALWAYS (! fits);
- }
- // mpz_class::fits_uint_p
- {
- int fits;
- mpz_class z;
- z = 0; fits = z.fits_uint_p(); ASSERT_ALWAYS (fits);
- z--; fits = z.fits_uint_p(); ASSERT_ALWAYS (! fits);
- z = UINT_MAX; fits = z.fits_uint_p(); ASSERT_ALWAYS (fits);
- z++; fits = z.fits_uint_p(); ASSERT_ALWAYS (! fits);
- }
- // mpz_class::fits_slong_p
- {
- int fits;
- mpz_class z;
- z = LONG_MIN; fits = z.fits_slong_p(); ASSERT_ALWAYS (fits);
- z--; fits = z.fits_slong_p(); ASSERT_ALWAYS (! fits);
- z = LONG_MAX; fits = z.fits_slong_p(); ASSERT_ALWAYS (fits);
- z++; fits = z.fits_slong_p(); ASSERT_ALWAYS (! fits);
- }
- // mpz_class::fits_ulong_p
- {
- int fits;
- mpz_class z;
- z = 0; fits = z.fits_ulong_p(); ASSERT_ALWAYS (fits);
- z--; fits = z.fits_ulong_p(); ASSERT_ALWAYS (! fits);
- z = ULONG_MAX; fits = z.fits_ulong_p(); ASSERT_ALWAYS (fits);
- z++; fits = z.fits_ulong_p(); ASSERT_ALWAYS (! fits);
- }
- // mpz_class::fits_sshort_p
- {
- int fits;
- mpz_class z;
- z = SHRT_MIN; fits = z.fits_sshort_p(); ASSERT_ALWAYS (fits);
- z--; fits = z.fits_sshort_p(); ASSERT_ALWAYS (! fits);
- z = SHRT_MAX; fits = z.fits_sshort_p(); ASSERT_ALWAYS (fits);
- z++; fits = z.fits_sshort_p(); ASSERT_ALWAYS (! fits);
- }
- // mpz_class::fits_ushort_p
- {
- int fits;
- mpz_class z;
- z = 0; fits = z.fits_ushort_p(); ASSERT_ALWAYS (fits);
- z--; fits = z.fits_ushort_p(); ASSERT_ALWAYS (! fits);
- z = USHRT_MAX; fits = z.fits_ushort_p(); ASSERT_ALWAYS (fits);
- z++; fits = z.fits_ushort_p(); ASSERT_ALWAYS (! fits);
- }
- // mpz_class::get_mpz_t
- {
- mpz_class z(0);
- mpz_ptr p = z.get_mpz_t();
- ASSERT_ALWAYS (mpz_cmp_ui (p, 0) == 0);
- }
- {
- mpz_class z(0);
- mpz_srcptr p = z.get_mpz_t();
- ASSERT_ALWAYS (mpz_cmp_ui (p, 0) == 0);
- }
- // mpz_class::get_d
- // mpz_class::get_si
- // mpz_class::get_ui
- {
- mpz_class z(123);
- { double d = z.get_d(); ASSERT_ALWAYS (d == 123.0); }
- { long l = z.get_si(); ASSERT_ALWAYS (l == 123L); }
- { long u = z.get_ui(); ASSERT_ALWAYS (u == 123L); }
- }
- {
- mpz_class z(-123);
- { double d = z.get_d(); ASSERT_ALWAYS (d == -123.0); }
- { long l = z.get_si(); ASSERT_ALWAYS (l == -123L); }
- }
- // mpz_class::get_str
- {
- mpz_class z(123);
- string s;
- s = z.get_str(); ASSERT_ALWAYS (s == "123");
- s = z.get_str(16); ASSERT_ALWAYS (s == "7b");
- s = z.get_str(-16); ASSERT_ALWAYS (s == "7B");
- }
- // mpz_class::set_str
- {
- mpz_class z;
- int ret;
- ret = z.set_str ("123", 10); ASSERT_ALWAYS (ret == 0 && z == 123);
- ret = z.set_str ("7b", 16); ASSERT_ALWAYS (ret == 0 && z == 123);
- ret = z.set_str ("7B", 16); ASSERT_ALWAYS (ret == 0 && z == 123);
- ret = z.set_str ("0x7B", 0); ASSERT_ALWAYS (ret == 0 && z == 123);
- ret = z.set_str (string("123"), 10); ASSERT_ALWAYS (ret == 0 && z == 123);
- ret = z.set_str (string("7b"), 16); ASSERT_ALWAYS (ret == 0 && z == 123);
- ret = z.set_str (string("7B"), 16); ASSERT_ALWAYS (ret == 0 && z == 123);
- ret = z.set_str (string("0x7B"), 0); ASSERT_ALWAYS (ret == 0 && z == 123);
- }
- }
- void
- check_mpq (void)
- {
- // mpq_class::canonicalize
- {
- mpq_class q(12,9);
- q.canonicalize();
- ASSERT_ALWAYS (q.get_num() == 4);
- ASSERT_ALWAYS (q.get_den() == 3);
- }
- // mpq_class::get_d
- {
- mpq_class q(123);
- { double d = q.get_d(); ASSERT_ALWAYS (d == 123.0); }
- }
- {
- mpq_class q(-123);
- { double d = q.get_d(); ASSERT_ALWAYS (d == -123.0); }
- }
- // mpq_class::get_mpq_t
- {
- mpq_class q(0);
- mpq_ptr p = q.get_mpq_t();
- ASSERT_ALWAYS (mpq_cmp_ui (p, 0, 1) == 0);
- }
- {
- mpq_class q(0);
- mpq_srcptr p = q.get_mpq_t();
- ASSERT_ALWAYS (mpq_cmp_ui (p, 0, 1) == 0);
- }
- // mpq_class::get_num, mpq_class::get_den
- {
- mpq_class q(4,5);
- mpz_class z;
- z = q.get_num(); ASSERT_ALWAYS (z == 4);
- z = q.get_den(); ASSERT_ALWAYS (z == 5);
- }
- // mpq_class::get_num_mpz_t, mpq_class::get_den_mpz_t
- {
- mpq_class q(4,5);
- mpz_ptr p;
- p = q.get_num_mpz_t(); ASSERT_ALWAYS (mpz_cmp_ui (p, 4) == 0);
- p = q.get_den_mpz_t(); ASSERT_ALWAYS (mpz_cmp_ui (p, 5) == 0);
- }
- {
- mpq_class q(4,5);
- mpz_srcptr p;
- p = q.get_num_mpz_t(); ASSERT_ALWAYS (mpz_cmp_ui (p, 4) == 0);
- p = q.get_den_mpz_t(); ASSERT_ALWAYS (mpz_cmp_ui (p, 5) == 0);
- }
- // mpq_class::get_str
- {
- mpq_class q(17,11);
- string s;
- s = q.get_str(); ASSERT_ALWAYS (s == "17/11");
- s = q.get_str(10); ASSERT_ALWAYS (s == "17/11");
- s = q.get_str(16); ASSERT_ALWAYS (s == "11/b");
- s = q.get_str(-16); ASSERT_ALWAYS (s == "11/B");
- }
- // mpq_class::set_str
- {
- mpq_class q;
- int ret;
- ret = q.set_str ("123", 10); ASSERT_ALWAYS (ret == 0 && q == 123);
- ret = q.set_str ("4/5", 10); ASSERT_ALWAYS (ret == 0 && q == mpq_class(4,5));
- ret = q.set_str ("7b", 16); ASSERT_ALWAYS (ret == 0 && q == 123);
- ret = q.set_str ("7B", 16); ASSERT_ALWAYS (ret == 0 && q == 123);
- ret = q.set_str ("0x7B", 0); ASSERT_ALWAYS (ret == 0 && q == 123);
- ret = q.set_str ("0x10/17", 0); ASSERT_ALWAYS (ret == 0 && q == mpq_class(16,17));
- ret = q.set_str (string("4/5"), 10); ASSERT_ALWAYS (ret == 0 && q == mpq_class(4,5));
- ret = q.set_str (string("123"), 10); ASSERT_ALWAYS (ret == 0 && q == 123);
- ret = q.set_str (string("7b"), 16); ASSERT_ALWAYS (ret == 0 && q == 123);
- ret = q.set_str (string("7B"), 16); ASSERT_ALWAYS (ret == 0 && q == 123);
- ret = q.set_str (string("0x7B"), 0); ASSERT_ALWAYS (ret == 0 && q == 123);
- ret = q.set_str (string("0x10/17"), 0); ASSERT_ALWAYS (ret == 0 && q == mpq_class(16,17));
- }
- }
- void
- check_mpf (void)
- {
- // mpf_class::fits_sint_p
- {
- int fits;
- mpf_class f (0, 2*8*sizeof(int));
- f = INT_MIN; fits = f.fits_sint_p(); ASSERT_ALWAYS (fits);
- f--; fits = f.fits_sint_p(); ASSERT_ALWAYS (! fits);
- f = INT_MAX; fits = f.fits_sint_p(); ASSERT_ALWAYS (fits);
- f++; fits = f.fits_sint_p(); ASSERT_ALWAYS (! fits);
- }
- // mpf_class::fits_uint_p
- {
- int fits;
- mpf_class f (0, 2*8*sizeof(int));
- f = 0; fits = f.fits_uint_p(); ASSERT_ALWAYS (fits);
- f--; fits = f.fits_uint_p(); ASSERT_ALWAYS (! fits);
- f = UINT_MAX; fits = f.fits_uint_p(); ASSERT_ALWAYS (fits);
- f++; fits = f.fits_uint_p(); ASSERT_ALWAYS (! fits);
- }
- // mpf_class::fits_slong_p
- {
- int fits;
- mpf_class f (0, 2*8*sizeof(long));
- f = LONG_MIN; fits = f.fits_slong_p(); ASSERT_ALWAYS (fits);
- f--; fits = f.fits_slong_p(); ASSERT_ALWAYS (! fits);
- f = LONG_MAX; fits = f.fits_slong_p(); ASSERT_ALWAYS (fits);
- f++; fits = f.fits_slong_p(); ASSERT_ALWAYS (! fits);
- }
- // mpf_class::fits_ulong_p
- {
- int fits;
- mpf_class f (0, 2*8*sizeof(long));
- f = 0; fits = f.fits_ulong_p(); ASSERT_ALWAYS (fits);
- f--; fits = f.fits_ulong_p(); ASSERT_ALWAYS (! fits);
- f = ULONG_MAX; fits = f.fits_ulong_p(); ASSERT_ALWAYS (fits);
- f++; fits = f.fits_ulong_p(); ASSERT_ALWAYS (! fits);
- }
- // mpf_class::fits_sshort_p
- {
- int fits;
- mpf_class f (0, 2*8*sizeof(short));
- f = SHRT_MIN; fits = f.fits_sshort_p(); ASSERT_ALWAYS (fits);
- f--; fits = f.fits_sshort_p(); ASSERT_ALWAYS (! fits);
- f = SHRT_MAX; fits = f.fits_sshort_p(); ASSERT_ALWAYS (fits);
- f++; fits = f.fits_sshort_p(); ASSERT_ALWAYS (! fits);
- }
- // mpf_class::fits_ushort_p
- {
- int fits;
- mpf_class f (0, 2*8*sizeof(short));
- f = 0; fits = f.fits_ushort_p(); ASSERT_ALWAYS (fits);
- f--; fits = f.fits_ushort_p(); ASSERT_ALWAYS (! fits);
- f = USHRT_MAX; fits = f.fits_ushort_p(); ASSERT_ALWAYS (fits);
- f++; fits = f.fits_ushort_p(); ASSERT_ALWAYS (! fits);
- }
- // mpf_class::get_d
- // mpf_class::get_si
- // mpf_class::get_ui
- {
- mpf_class f(123);
- { double d = f.get_d(); ASSERT_ALWAYS (d == 123.0); }
- { long l = f.get_si(); ASSERT_ALWAYS (l == 123L); }
- { long u = f.get_ui(); ASSERT_ALWAYS (u == 123L); }
- }
- {
- mpf_class f(-123);
- { double d = f.get_d(); ASSERT_ALWAYS (d == -123.0); }
- { long l = f.get_si(); ASSERT_ALWAYS (l == -123L); }
- }
- // mpf_class::get_prec
- {
- mpf_class f;
- ASSERT_ALWAYS (f.get_prec() == mpf_get_default_prec());
- }
- // mpf_class::get_str
- {
- mpf_class f(123);
- string s;
- mp_exp_t e;
- s = f.get_str(e); ASSERT_ALWAYS (s == "123" && e == 3);
- s = f.get_str(e, 16); ASSERT_ALWAYS (s == "7b" && e == 2);
- s = f.get_str(e, -16); ASSERT_ALWAYS (s == "7B" && e == 2);
- s = f.get_str(e, 10, 2); ASSERT_ALWAYS (s == "12" && e == 3);
- s = f.get_str(e, 10, 1); ASSERT_ALWAYS (s == "1" && e == 3);
- }
- // mpf_class::set_str
- {
- mpf_class f;
- int ret;
- ret = f.set_str ("123", 10); ASSERT_ALWAYS (ret == 0 && f == 123);
- ret = f.set_str ("123e1", 10); ASSERT_ALWAYS (ret == 0 && f == 1230);
- ret = f.set_str ("1230e-1", 10); ASSERT_ALWAYS (ret == 0 && f == 123);
- ret = f.set_str ("7b", 16); ASSERT_ALWAYS (ret == 0 && f == 123);
- ret = f.set_str ("7B", 16); ASSERT_ALWAYS (ret == 0 && f == 123);
- ret = f.set_str ("7B@1", 16); ASSERT_ALWAYS (ret == 0 && f == 1968);
- ret = f.set_str ("7B0@-1", 16); ASSERT_ALWAYS (ret == 0 && f == 123);
- ret = f.set_str (string("123"), 10); ASSERT_ALWAYS (ret == 0 && f == 123);
- ret = f.set_str (string("123e1"), 10); ASSERT_ALWAYS (ret == 0 && f == 1230);
- ret = f.set_str (string("1230e-1"), 10); ASSERT_ALWAYS (ret == 0 && f == 123);
- ret = f.set_str (string("7b"), 16); ASSERT_ALWAYS (ret == 0 && f == 123);
- ret = f.set_str (string("7B"), 16); ASSERT_ALWAYS (ret == 0 && f == 123);
- ret = f.set_str (string("7B@1"), 16); ASSERT_ALWAYS (ret == 0 && f == 1968);
- ret = f.set_str (string("7B0@-1"), 16); ASSERT_ALWAYS (ret == 0 && f == 123);
- }
- // mpf_class::set_prec
- {
- mpf_class f;
- f.set_prec (256);
- ASSERT_ALWAYS (f.get_prec () >= 256);
- }
- // mpf_class::set_prec_raw
- {
- mpf_class f (0, 100 * GMP_NUMB_BITS);
- f.set_prec_raw (5 * GMP_NUMB_BITS);
- ASSERT_ALWAYS (f.get_prec () >= 5 * GMP_NUMB_BITS);
- ASSERT_ALWAYS (f.get_prec () < 100 * GMP_NUMB_BITS);
- f.set_prec_raw (100 * GMP_NUMB_BITS);
- }
- }
- int
- main (void)
- {
- tests_start();
- check_mpz();
- check_mpq();
- check_mpf();
- tests_end();
- return 0;
- }