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// Copyright (c) 2022-2024 Advanced Micro Devices, Inc. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#include "sobol_utils.hpp"
#include "utils.hpp"
#include <fstream>
#include <ios>
#include <iostream>
#include <string_view>
#include <vector>
#include <stdint.h>
int main(int argc, char const* argv[])
{
using namespace std::string_view_literals;
if(argc != 5 || argv[1] == "--help"sv)
{
std::cout << "Usage:" << std::endl;
std::cout << " ./scrambled_sobol64_direction_vector_generator "
"../../library/src/rocrand_sobol32_precomputed.bin "
"rocrand_h_scrambled_sobol32_direction_vectors "
"../../library/include/rocrand/rocrand_scrambled_sobol32_precomputed.h "
"../../library/src/rocrand_scrambled_sobol32_precomputed.bin "
<< std::endl;
return -1;
}
const std::filesystem::path input_vectors_path(argv[1]);
const std::string_view symbol(argv[2]);
const std::filesystem::path header_path(argv[3]);
const std::filesystem::path binary_path(argv[4]);
std::ifstream input(input_vectors_path, std::ios_base::in | std::ios_base::binary);
std::ofstream header_out(header_path, std::ios_base::out | std::ios_base::trunc);
std::ofstream binary_out(binary_path,
std::ios_base::out | std::ios_base::trunc | std::ios_base::binary);
rocrand_tools::write_preamble(header_out, "scrambled_sobol32_direction_vector_generator")
<< "#ifndef ROCRAND_SCRAMBLED_SOBOL32_PRECOMPUTED_H_\n"
<< "#define ROCRAND_SCRAMBLED_SOBOL32_PRECOMPUTED_H_\n"
<< '\n'
<< "#include \"rocrand/rocrandapi.h\"\n"
<< "\n"
<< "#ifndef SCRAMBLED_SOBOL_DIM\n"
<< " #define SCRAMBLED_SOBOL_DIM " << rocrand_tools::SOBOL_DIM << "\n"
<< "#endif // SCRAMBLED_SOBOL_DIM\n"
<< "#define SCRAMBLED_SOBOL32_N " << rocrand_tools::SOBOL32_N << "\n"
<< "\n"
<< "extern \"C\" ROCRANDAPI const unsigned int " << symbol << "[SCRAMBLED_SOBOL32_N];\n"
<< "\n"
<< "#endif // ROCRAND_SCRAMBLED_SOBOL32_PRECOMPUTED_H_\n";
std::vector<uint32_t> directions_32(rocrand_tools::SOBOL32_N);
input.read(reinterpret_cast<char*>(directions_32.data()),
rocrand_tools::SOBOL32_N * sizeof(directions_32[0]));
rocrand_tools::write_matrix_with_offset(binary_out,
directions_32.data(),
rocrand_tools::SOBOL32_N,
640000);
return 0;
}
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