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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 18:24:20 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 18:24:20 +0000 |
commit | 483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch) | |
tree | e5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/boost/libs/math/tools/ellint_pi3_data.cpp | |
parent | Initial commit. (diff) | |
download | ceph-upstream.tar.xz ceph-upstream.zip |
Adding upstream version 14.2.21.upstream/14.2.21upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/boost/libs/math/tools/ellint_pi3_data.cpp')
-rw-r--r-- | src/boost/libs/math/tools/ellint_pi3_data.cpp | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/boost/libs/math/tools/ellint_pi3_data.cpp b/src/boost/libs/math/tools/ellint_pi3_data.cpp new file mode 100644 index 00000000..bc09d9cf --- /dev/null +++ b/src/boost/libs/math/tools/ellint_pi3_data.cpp @@ -0,0 +1,75 @@ +// Copyright John Maddock 2006. + +// Use, modification and distribution are subject to the +// Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt +// or copy at http://www.boost.org/LICENSE_1_0.txt) + + +#include <boost/math/tools/test_data.hpp> +#include <boost/test/included/prg_exec_monitor.hpp> +#include <boost/math/special_functions/ellint_3.hpp> +#include <fstream> +#include <boost/math/tools/test_data.hpp> +#include <boost/random.hpp> +#include "mp_t.hpp" + +float extern_val; +// confuse the compilers optimiser, and force a truncation to float precision: +float truncate_to_float(float const * pf) +{ + extern_val = *pf; + return *pf; +} + +boost::math::tuple<mp_t, mp_t> generate_data(mp_t n, mp_t phi) +{ + static boost::mt19937 r; + boost::uniform_real<float> ui(0, 1); + float k = ui(r); + mp_t kr(truncate_to_float(&k)); + mp_t result = boost::math::ellint_3(kr, n, phi); + return boost::math::make_tuple(kr, result); +} + +int cpp_main(int argc, char*argv []) +{ + using namespace boost::math::tools; + + parameter_info<mp_t> arg1, arg2; + test_data<mp_t> data; + + bool cont; + std::string line; + + if(argc < 1) + return 1; + + do{ + if(0 == get_user_parameter_info(arg1, "n")) + return 1; + if(0 == get_user_parameter_info(arg2, "phi")) + return 1; + + data.insert(&generate_data, arg1, arg2); + + std::cout << "Any more data [y/n]?"; + std::getline(std::cin, line); + boost::algorithm::trim(line); + cont = (line == "y"); + }while(cont); + + std::cout << "Enter name of test data file [default=ellint_pi3_data.ipp]"; + std::getline(std::cin, line); + boost::algorithm::trim(line); + if(line == "") + line = "ellint_pi3_data.ipp"; + std::ofstream ofs(line.c_str()); + line.erase(line.find('.')); + ofs << std::scientific << std::setprecision(40); + write_code(ofs, data, line.c_str()); + + return 0; +} + + |