jdh8

template<int>
struct image_filter_vector;

template<>
struct image_filter_vector<ColMajor, DirectAccessBit>
{
  template<typename Lhs, typename Rhs, typename Destination>
  static void run(const Lhs&, const Rhs&, Destination&);
};

jdh8

// This gist is no longer maintained.
// Please move to [jdh8/chic][chic].
//
// [chic]: https://github.com/jdh8/chic

#include <map>
#include <vector>
#include <iostream>
#include <sstream>
#include <cstdint>

jdh8

#include <ios>
#include <string>
#include <unistd.h>

template<bool>
class FileDescriptor
{
  private:
    int _fd;

jdh8

// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2016 Chen-Pang He <chen.pang.he@jdh8.org>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.

#ifndef EIGEN_MATRIX_SIGN_ITERATION

jdh8

load("fft");
g(x):= exp(-x^2 /2) / sqrt(2 * %pi);
plot(n, k):= plot2d(['discrete, realpart(fft(makelist(g(i-k+n) + g(i-k) + g(i-k-n), i, 0, n-1))) * n], ['x, 1, n]);

jdh8

/* Generate the first n prime numbers.
 *
 * Copyright (C) 2013 Chen-Pang He <jdh8＠ms63.hinet.net>
 * Don’t copy-paste the email.  It won’t work.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *

jdh8

/* Primality test.
 *
 * Copyright (C) 2013 Chen-Pang He <jdh8＠ms63.hinet.net>
 * Don’t copy-paste the email.  It won’t work.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *