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- ///////////////////////////////////////////////////////////////
- // Copyright Christopher Kormanyos 2002 - 2011.
- // Copyright 2011 John Maddock. Distributed under the Boost
- // Software License, Version 1.0. (See accompanying file
- // LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt
- //
- // This work is based on an earlier work:
- // "Algorithm 910: A Portable C++ Multiple-Precision System for Special-Function Calculations",
- // in ACM TOMS, {VOL 37, ISSUE 4, (February 2011)} (C) ACM, 2011. http://doi.acm.org/10.1145/1916461.1916469
- #ifdef _MSC_VER
- #define _SCL_SECURE_NO_WARNINGS
- #endif
- #include <boost/detail/lightweight_test.hpp>
- #include <boost/array.hpp>
- #include "test.hpp"
- #include <boost/multiprecision/mpc.hpp>
- #include <boost/multiprecision/gmp.hpp>
- int main()
- {
- using namespace boost::multiprecision;
- //
- // Test interconversions between GMP supported backends:
- //
- mpf_t mpf;
- mpz_t mpz;
- mpq_t mpq;
- mpfr_t mpfr;
- mpf_init2(mpf, 100);
- mpf_set_ui(mpf, 2u);
- mpz_init(mpz);
- mpz_set_ui(mpz, 2u);
- mpq_init(mpq);
- mpq_set_ui(mpq, 2u, 1u);
- mpfr_init(mpfr);
- mpfr_set_ui(mpfr, 2u, GMP_RNDN);
- BOOST_TEST(mpc_complex(mpf) == 2);
- BOOST_TEST(mpc_complex_50(mpf) == 2);
- BOOST_TEST(mpc_complex(mpz) == 2);
- BOOST_TEST(mpc_complex_50(mpz) == 2);
- BOOST_TEST(mpc_complex(mpq) == 2);
- BOOST_TEST(mpc_complex_50(mpq) == 2);
- BOOST_TEST(mpc_complex(mpfr) == 2);
- BOOST_TEST(mpc_complex_50(mpfr) == 2);
- mpc_complex f0;
- mpc_complex_50 f50;
- f0 = mpf;
- BOOST_TEST(f0 == 2);
- f0 = 0;
- f0 = mpz;
- BOOST_TEST(f0 == 2);
- f0 = 0;
- f0 = mpq;
- BOOST_TEST(f0 == 2);
- f0 = mpfr;
- BOOST_TEST(f0 == 2);
- f50 = mpf;
- BOOST_TEST(f50 == 2);
- f50 = 0;
- f50 = mpz;
- BOOST_TEST(f50 == 2);
- f50 = 0;
- f50 = mpq;
- BOOST_TEST(f50 == 2);
- f50 = mpfr;
- BOOST_TEST(f50 == 2);
- f50 = 4;
- f0 = f50;
- BOOST_TEST(f0 == 4);
- f0 = 3;
- f50 = f0;
- BOOST_TEST(f50 == 3);
- f50 = 4;
- BOOST_TEST(mpc_complex(f50) == 4);
- BOOST_TEST(mpc_complex_50(f0) == 3);
- mpz_int iz(2);
- mpq_rational rat(2);
- mpf_float gf(2);
- f50 = 3;
- f50 = iz;
- BOOST_TEST(f50 == 2);
- f50 = 3;
- f0 = iz;
- BOOST_TEST(f0 == 2);
- f50 = 3;
- f0 = gf;
- BOOST_TEST(f0 == 2);
- BOOST_TEST(mpc_complex(iz) == 2);
- BOOST_TEST(mpc_complex_50(iz) == 2);
- BOOST_TEST(mpc_complex(rat) == 2);
- BOOST_TEST(mpc_complex_50(rat) == 2);
- BOOST_TEST(mpc_complex(gf) == 2);
- BOOST_TEST(mpc_complex_50(gf) == 2);
- //
- // Conversions involving precision only:
- //
- mpc_complex::default_precision(30);
- f50 = 2;
- mpc_complex_100 f100(3);
- mpc_complex f0a(4);
- mpc_complex f0b(f100);
- BOOST_TEST(f0a.precision() == 30);
- BOOST_TEST(f0b.precision() == 100);
- f0a = f100;
- BOOST_TEST(f0a == 3);
- BOOST_TEST(f0a.precision() == 100); // precision preserved on assignment
- f100 = f50;
- BOOST_TEST(f100 == 2);
- f50 = static_cast<mpc_complex_50>(f100);
- mpf_clear(mpf);
- mpz_clear(mpz);
- mpq_clear(mpq);
- mpfr_clear(mpfr);
- return boost::report_errors();
- }
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