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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/boost/libs/math/example/special_data.cpp | |
parent | Initial commit. (diff) | |
download | ceph-upstream.tar.xz ceph-upstream.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/boost/libs/math/example/special_data.cpp')
-rw-r--r-- | src/boost/libs/math/example/special_data.cpp | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/boost/libs/math/example/special_data.cpp b/src/boost/libs/math/example/special_data.cpp new file mode 100644 index 000000000..2e101b409 --- /dev/null +++ b/src/boost/libs/math/example/special_data.cpp @@ -0,0 +1,84 @@ +// 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) + +//[special_data_example + +#include <boost/multiprecision/cpp_dec_float.hpp> +#include <boost/math/tools/test_data.hpp> +#include <boost/test/included/prg_exec_monitor.hpp> +#include <fstream> + +using namespace boost::math::tools; +using namespace boost::math; +using namespace std; +using namespace boost::multiprecision; + +template <class T> +T my_special(T a, T b) +{ + // Implementation of my_special here... + return a + b; +} + +int cpp_main(int argc, char*argv []) +{ + // + // We'll use so many digits of precision that any + // calculation errors will still leave us with + // 40-50 good digits. We'll only run this program + // once so it doesn't matter too much how long this takes! + // + typedef number<cpp_dec_float<500> > bignum; + + parameter_info<bignum> arg1, arg2; + test_data<bignum> data; + + bool cont; + std::string line; + + if(argc < 1) + return 1; + + do{ + // + // User interface which prompts for + // range of input parameters: + // + if(0 == get_user_parameter_info(arg1, "a")) + return 1; + if(0 == get_user_parameter_info(arg2, "b")) + return 1; + + // + // Get a pointer to the function and call + // test_data::insert to actually generate + // the values. + // + bignum (*fp)(bignum, bignum) = &my_special; + data.insert(fp, arg2, arg1); + + std::cout << "Any more data [y/n]?"; + std::getline(std::cin, line); + boost::algorithm::trim(line); + cont = (line == "y"); + }while(cont); + // + // Just need to write the results to a file: + // + std::cout << "Enter name of test data file [default=my_special.ipp]"; + std::getline(std::cin, line); + boost::algorithm::trim(line); + if(line == "") + line = "my_special.ipp"; + std::ofstream ofs(line.c_str()); + line.erase(line.find('.')); + ofs << std::scientific << std::setprecision(50); + write_code(ofs, data, line.c_str()); + + return 0; +} + +//] |