chromium/third_party/abseil-cpp/absl/random/internal/gaussian_distribution_gentables.cc

// Copyright 2017 The Abseil Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// Generates gaussian_distribution.cc
//
// $ blaze run :gaussian_distribution_gentables > gaussian_distribution.cc
//
#include "absl/random/gaussian_distribution.h"

#include <cmath>
#include <cstddef>
#include <iostream>
#include <limits>
#include <string>

#include "absl/base/macros.h"

namespace absl {
ABSL_NAMESPACE_BEGIN
namespace random_internal {
namespace {

template <typename T, size_t N>
void FormatArrayContents(std::ostream* os, T (&data)[N]) { … }

}  // namespace

class TableGenerator : public gaussian_distribution_base { … };

// Ziggurat gaussian initialization.  For an explanation of the algorithm, see
// the Marsaglia paper, "The Ziggurat Method for Generating Random Variables".
//   http://www.jstatsoft.org/v05/i08/
//
// Further details are available in the Doornik paper
//   https://www.doornik.com/research/ziggurat.pdf
//
TableGenerator::TableGenerator() { … }

void TableGenerator::Print(std::ostream* os) { … }

}  // namespace random_internal
ABSL_NAMESPACE_END
}  // namespace absl

int main(int, char**) { … }