t-ostream.cc
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上传日期:2022-08-06
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- /* Test ostream formatted output.
- Copyright 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 <iostream>
- #include <cstdlib>
- #include "gmp.h"
- #include "gmp-impl.h"
- #include "tests.h"
- using namespace std;
- int option_check_standard = 0;
- #define CALL(expr)
- do {
- got.flags (data[i].flags);
- got.width (data[i].width);
- got.precision (data[i].precision);
- if (data[i].fill == ' ')
- got.fill (' ');
- else
- got.fill (data[i].fill);
-
- if (! (expr))
- {
- cout << ""got" output errorn";
- abort ();
- }
- if (got.width() != 0)
- {
- cout << ""got" width not reset to 0n";
- abort ();
- }
-
- } while (0)
- #define DUMP()
- do {
- cout << " want: |" << data[i].want << "|n";
- cout << " got: |" << got.str() << "|n";
- cout << " width: " << data[i].width << "n";
- cout << " prec: " << got.precision() << "n";
- cout << " flags: " << hex << (unsigned long) got.flags() << "n";
- } while (0)
- #define ABORT()
- do {
- DUMP ();
- abort ();
- } while (0)
- void
- check_mpz (void)
- {
- static const struct {
- const char *z;
- const char *want;
- ios::fmtflags flags;
- int width;
- int precision;
- char fill;
- } data[] = {
- { "0", "0", ios::dec },
- { "0", "0", ios::oct },
- { "0", "0", ios::oct | ios::showbase },
- { "0", "0", ios::hex },
- { "0", "0x0", ios::hex | ios::showbase },
- { "0", "0X0", ios::hex | ios::showbase | ios::uppercase },
- { "1", "****1", ios::dec, 5, 0, '*' },
- { "-1", " -1", ios::dec | ios::right, 5 },
- { "-1", "- 1", ios::dec | ios::internal, 5 },
- { "-1", "-1 ", ios::dec | ios::left, 5 },
- { "1", " 0x1", ios::hex | ios::showbase | ios::right, 6 },
- { "1", "0x 1", ios::hex | ios::showbase | ios::internal, 6 },
- { "1", "0x1 ", ios::hex | ios::showbase | ios::left, 6 },
- { "1", " +0x1", ios::hex | ios::showbase | ios::showpos | ios::right,
- 7 },
- { "1", "+0x 1", ios::hex | ios::showbase | ios::showpos | ios::internal,
- 7 },
- { "1", "+0x1 ", ios::hex | ios::showbase | ios::showpos | ios::left,
- 7 },
- { "123", "7b", ios::hex },
- { "123", "7B", ios::hex | ios::uppercase },
- { "123", "0x7b", ios::hex | ios::showbase },
- { "123", "0X7B", ios::hex | ios::showbase | ios::uppercase },
- { "-123", "-0x7b", ios::hex | ios::showbase },
- { "-123", "-0X7B", ios::hex | ios::showbase | ios::uppercase },
- { "123", "173", ios::oct },
- { "123", "173", ios::oct | ios::uppercase },
- { "123", "0173", ios::oct | ios::showbase },
- { "123", "0173", ios::oct | ios::showbase | ios::uppercase },
- { "-123", "-0173", ios::oct | ios::showbase },
- { "-123", "-0173", ios::oct | ios::showbase | ios::uppercase },
- };
- size_t i;
- mpz_t z;
- mpz_init (z);
- for (i = 0; i < numberof (data); i++)
- {
- mpz_set_str_or_abort (z, data[i].z, 0);
- if (option_check_standard
- && mpz_fits_slong_p (z)
- // no negatives or showpos in hex or oct
- && (((data[i].flags & ios::basefield) == ios::hex
- || (data[i].flags & ios::basefield) == ios::oct)
- ? (mpz_sgn (z) >= 0
- && ! (data[i].flags & ios::showpos))
- : 1)
- )
- {
- ostringstream got;
- long n = mpz_get_si (z);
- CALL (got << n);
- if (got.str().compare (data[i].want) != 0)
- {
- cout << "check_mpz data[" << i
- << "] doesn't match standard ostream outputn";
- cout << " z: " << data[i].z << "n";
- cout << " n: " << n << "n";
- DUMP ();
- }
- }
- {
- ostringstream got;
- CALL (got << z);
- if (got.str().compare (data[i].want) != 0)
- {
- cout << "mpz operator<< wrong, data[" << i << "]n";
- cout << " z: " << data[i].z << "n";
- ABORT ();
- }
- }
- }
- mpz_clear (z);
- }
- void
- check_mpq (void)
- {
- static const struct {
- const char *q;
- const char *want;
- ios::fmtflags flags;
- int width;
- int precision;
- char fill;
- } data[] = {
- { "0", "0", ios::dec },
- { "0", "0", ios::hex },
- { "0", "0x0", ios::hex | ios::showbase },
- { "0", "0X0", ios::hex | ios::showbase | ios::uppercase },
- { "5/8", "5/8", ios::dec },
- { "5/8", "0X5/0X8", ios::hex | ios::showbase | ios::uppercase },
- // zero denominator with showbase
- { "0/0", " 0/0", ios::oct | ios::showbase, 10 },
- { "0/0", " 0/0", ios::dec | ios::showbase, 10 },
- { "0/0", " 0x0/0x0", ios::hex | ios::showbase, 10 },
- { "123/0", " 0173/0", ios::oct | ios::showbase, 10 },
- { "123/0", " 123/0", ios::dec | ios::showbase, 10 },
- { "123/0", " 0x7b/0x0", ios::hex | ios::showbase, 10 },
- { "123/0", " 0X7B/0X0", ios::hex | ios::showbase | ios::uppercase, 10 },
- { "0/123", " 0/0173", ios::oct | ios::showbase, 10 },
- { "0/123", " 0/123", ios::dec | ios::showbase, 10 },
- { "0/123", " 0x0/0x7b", ios::hex | ios::showbase, 10 },
- { "0/123", " 0X0/0X7B", ios::hex | ios::showbase | ios::uppercase, 10 },
- };
- size_t i;
- mpq_t q;
- mpq_init (q);
- #define mpq_integer_p(q) (mpz_cmp_ui (mpq_denref(q), 1L) == 0)
- for (i = 0; i < numberof (data); i++)
- {
- mpq_set_str_or_abort (q, data[i].q, 0);
- MPZ_CHECK_FORMAT (mpq_numref (q));
- MPZ_CHECK_FORMAT (mpq_denref (q));
- if (option_check_standard
- && mpz_fits_slong_p (mpq_numref(q))
- && mpq_integer_p (q))
- {
- ostringstream got;
- long n = mpz_get_si (mpq_numref(q));
- CALL (got << n);
- if (got.str().compare (data[i].want) != 0)
- {
- cout << "check_mpq data[" << i
- << "] doesn't match standard ostream outputn";
- cout << " q: " << data[i].q << "n";
- cout << " n: " << n << "n";
- DUMP ();
- }
- }
- {
- ostringstream got;
- CALL (got << q);
- if (got.str().compare (data[i].want) != 0)
- {
- cout << "mpq operator<< wrong, data[" << i << "]n";
- cout << " q: " << data[i].q << "n";
- ABORT ();
- }
- }
- }
- mpq_clear (q);
- }
- void
- check_mpf (void)
- {
- static const struct {
- const char *f;
- const char *want;
- ios::fmtflags flags;
- int width;
- int precision;
- char fill;
- } data[] = {
- { "0", "0", ios::dec },
- { "0", "+0", ios::dec | ios::showpos },
- { "0", "0.00000", ios::dec | ios::showpoint },
- { "0", "0", ios::dec | ios::fixed },
- { "0", "0.", ios::dec | ios::fixed | ios::showpoint },
- { "0", "0.000000e+00", ios::dec | ios::scientific },
- { "0", "0.000000e+00", ios::dec | ios::scientific | ios::showpoint },
- { "0", "0", ios::dec, 0, 4 },
- { "0", "0.000", ios::dec | ios::showpoint, 0, 4 },
- { "0", "0.0000", ios::dec | ios::fixed, 0, 4 },
- { "0", "0.0000", ios::dec | ios::fixed | ios::showpoint, 0, 4 },
- { "0", "0.0000e+00", ios::dec | ios::scientific, 0, 4 },
- { "0", "0.0000e+00", ios::dec | ios::scientific | ios::showpoint, 0, 4 },
- { "1", "1", ios::dec },
- { "1", "+1", ios::dec | ios::showpos },
- { "1", "1.00000", ios::dec | ios::showpoint },
- { "1", "1", ios::dec | ios::fixed },
- { "1", "1.", ios::dec | ios::fixed | ios::showpoint },
- { "1", "1.000000e+00", ios::dec | ios::scientific },
- { "1", "1.000000e+00", ios::dec | ios::scientific | ios::showpoint },
- { "1", "1", ios::dec, 0, 4 },
- { "1", "1.000", ios::dec | ios::showpoint, 0, 4 },
- { "1", "1.0000", ios::dec | ios::fixed, 0, 4 },
- { "1", "1.0000", ios::dec | ios::fixed | ios::showpoint, 0, 4 },
- { "1", "1.0000e+00", ios::dec | ios::scientific, 0, 4 },
- { "1", "1.0000e+00", ios::dec | ios::scientific | ios::showpoint, 0, 4 },
- { "-1", "-1", ios::dec | ios::showpos },
- { "-1", " -1", ios::dec, 4 },
- { "-1", "- 1", ios::dec | ios::internal, 4 },
- { "-1", "-1 ", ios::dec | ios::left, 4 },
- { "-1", " -0x1", ios::hex | ios::showbase, 6 },
- { "-1", "-0x 1", ios::hex | ios::showbase | ios::internal, 6 },
- { "-1", "-0x1 ", ios::hex | ios::showbase | ios::left, 6 },
- { "1", "*********1", ios::dec, 10, 4, '*' },
- { "1234", "******1234", ios::dec, 10, 4, '*' },
- { "1234", "*****1234.", ios::dec | ios::showpoint, 10, 4, '*' },
- { "12345", "1.23e+04", ios::dec, 0, 3 },
- { "12345", "12345.", ios::dec | ios::fixed | ios::showpoint },
- { "1.9999999", "2", ios::dec, 0, 1 },
- { "1.0009999999", "1.001", ios::dec, 0, 4 },
- { "1.0001", "1", ios::dec, 0, 4 },
- { "1.0004", "1", ios::dec, 0, 4 },
- { "1.000555", "1.001", ios::dec, 0, 4 },
- { "1.0002", "1.000", ios::dec | ios::fixed, 0, 3 },
- { "1.0008", "1.001", ios::dec | ios::fixed, 0, 3 },
- { "0", "0", ios::hex },
- { "0", "0x0", ios::hex | ios::showbase },
- { "0", "0X0", ios::hex | ios::showbase | ios::uppercase },
- { "123", "7b", ios::hex },
- { "123", "0x7b", ios::hex | ios::showbase },
- { "123", "0X7B", ios::hex | ios::showbase | ios::uppercase },
- { "0", "0.000@+00", ios::hex | ios::scientific, 0, 3 },
- { "256", "1.000@+02", ios::hex | ios::scientific, 0, 3 },
- { "123", "7.b@+01", ios::hex | ios::scientific, 0, 1 },
- { "123", "7.B@+01", ios::hex | ios::scientific | ios::uppercase, 0, 1 },
- { "123", "0x7.b@+01", ios::hex | ios::scientific | ios::showbase, 0, 1 },
- { "123", "0X7.B@+01",
- ios::hex | ios::scientific | ios::showbase | ios::uppercase, 0, 1 },
- { "1099511627776", "1.0@+10", ios::hex | ios::scientific, 0, 1 },
- { "1099511627776", "1.0@+10",
- ios::hex | ios::scientific | ios::uppercase, 0, 1 },
- { "0.0625", "1.00@-01", ios::hex | ios::scientific, 0, 2 },
- { "0", "0", ios::oct },
- { "123", "173", ios::oct },
- { "123", "0173", ios::oct | ios::showbase },
- // octal showbase suppressed for 0
- { "0", "0", ios::oct | ios::showbase },
- { ".125", "00.1", ios::oct | ios::showbase, 0, 1 },
- { ".015625", "00.01", ios::oct | ios::showbase, 0, 2 },
- { ".125", "00.1", ios::fixed | ios::oct | ios::showbase, 0, 1 },
- { ".015625", "0.0", ios::fixed | ios::oct | ios::showbase, 0, 1 },
- { ".015625", "00.01", ios::fixed | ios::oct | ios::showbase, 0, 2 },
- { "0.125", "1.000000e-01", ios::oct | ios::scientific },
- { "0.125", "+1.000000e-01", ios::oct | ios::scientific | ios::showpos },
- { "-0.125", "-1.000000e-01", ios::oct | ios::scientific },
- { "-0.125", "-1.000000e-01", ios::oct | ios::scientific | ios::showpos },
- { "0", "0.000e+00", ios::oct | ios::scientific, 0, 3 },
- { "256", "4.000e+02", ios::oct | ios::scientific, 0, 3 },
- { "256", "04.000e+02", ios::oct | ios::scientific | ios::showbase, 0, 3 },
- { "256", "4.000E+02", ios::oct | ios::scientific | ios::uppercase, 0, 3 },
- { "256", "04.000E+02",
- ios::oct | ios::scientific | ios::showbase | ios::uppercase, 0, 3 },
- { "16777216", "1.000000e+08", ios::oct | ios::scientific },
- { "16777216", "1.000000E+08",
- ios::oct | ios::scientific | ios::uppercase },
- { "16777216", "01.000000e+08",
- ios::oct | ios::scientific | ios::showbase },
- { "16777216", "01.000000E+08",
- ios::oct | ios::scientific | ios::showbase | ios::uppercase },
- { "16777216", "+01.000000e+08",
- ios::oct | ios::scientific | ios::showbase | ios::showpos },
- { "16777216", "+01.000000E+08", ios::oct | ios::scientific
- | ios::showbase | ios::showpos | ios::uppercase },
- { "-16777216", "-01.000000e+08",
- ios::oct | ios::scientific | ios::showbase | ios::showpos },
- { "-16777216", "-01.000000E+08", ios::oct | ios::scientific
- | ios::showbase | ios::showpos | ios::uppercase },
- };
- size_t i;
- mpf_t f, f2;
- double d;
- mpf_init (f);
- mpf_init (f2);
- for (i = 0; i < numberof (data); i++)
- {
- mpf_set_str_or_abort (f, data[i].f, 0);
- d = mpf_get_d (f);
- mpf_set_d (f2, d);
- if (option_check_standard && mpf_cmp (f, f2) == 0
- && ! (data[i].flags & (ios::hex | ios::oct | ios::showbase)))
- {
- ostringstream got;
- CALL (got << d);
- if (got.str().compare (data[i].want) != 0)
- {
- cout << "check_mpf data[" << i
- << "] doesn't match standard ostream outputn";
- cout << " f: " << data[i].f << "n";
- cout << " d: " << d << "n";
- DUMP ();
- }
- }
- {
- ostringstream got;
- CALL (got << f);
- if (got.str().compare (data[i].want) != 0)
- {
- cout << "mpf operator<< wrong, data[" << i << "]n";
- cout << " f: " << data[i].f << "n";
- ABORT ();
- }
- }
- }
- mpf_clear (f);
- mpf_clear (f2);
- }
- int
- main (int argc, char *argv[])
- {
- if (argc > 1 && strcmp (argv[1], "-s") == 0)
- option_check_standard = 1;
- tests_start ();
- check_mpz ();
- check_mpq ();
- check_mpf ();
- tests_end ();
- return 0;
- }