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43x2 / compile_time_crc32.cpp
Created April 3, 2018 08:00
コンパイル時 CRC32 (https://wandbox.org/permlink/ZS6B6IayblzAzwmt)
#include <cstddef>
#include <cstdint>
namespace {
constexpr std::uint32_t crc32_table[256] {
0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
@43x2
43x2 / lsm.py
Last active October 31, 2017 06:49
最小二乗法を最急降下法で解く Python スクリプト
##
## Usage: lsm.py -d(--data) (input_data_file) -r(--ratio) (ratio) (initial0) (initial1) ... (initialN)
##
## -d, --data -- x,y データファイル名 (タブ区切り)
## -r, --ratio -- 修正係数(η)
## (initial0)...(initialN) -- x^0...x^N の係数初期値
##
import sys
@43x2
43x2 / SimpleMatrix.h
Created September 5, 2016 15:06
半加算器ニューラルネットワークの学習 (「誤差逆伝播法をはじめからていねいに」 ソースコード)
// SimpleMatrix.h is placed in PUBLIC DOMAIN.
//
#if !defined( SIMPLE_MATRIX_H )
#define SIMPLE_MATRIX_H
#include <cstddef>
#include <cassert>
#include <vector>
#include <utility>
@43x2
43x2 / count_number_of_bits.cpp
Created April 1, 2016 10:52
#include <cstddef>
#include <type_traits>
#include <iostream>
/*
constexpr std::uint8_t g_number_of_bits_uint4[] = {
0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4
};
*/
@43x2
43x2 / SharedResourceContainer.h
Last active January 18, 2016 03:36
非同期生成リソースを保持するコンテナ
// SharedResourceContainer.h is placed in PUBLIC DOMAIN.
//
#if !defined( SHARED_RESOURCE_CONTAINER_H )
#define SHARED_RESOURCE_CONTAINER_H
#pragma once
#include <unordered_map>
#include <mutex>
#include <future>
#include <stdexcept>
@43x2
43x2 / IUnknownPointerTable.cpp
Last active August 21, 2018 13:45
// C/C++ Common
#include <cstdio>
#include <map>
// Windows
#include <windows.h>
class __declspec( uuid( "3D48D1EB-1EA5-4D4B-8411-4C0B8DF72CD7" ) ) ITestClass : public IUnknown
{
protected:
@43x2
43x2 / BitonicSortCS.fx
Created June 2, 2012 08:31
Bitonic sorting in compute shaders
//
// Debug: fxc /E cs_main /T cs_5_0 /Fh (output) /Od /Vn g_BitonicSortCS /Zi (this)
// Release: fxc /E cs_main /T cs_5_0 /Fh (output) /O1 /Vn g_BitonicSortCS (this)
//
// スレッド数
#define THREADS_X 512
// ソート要素数
#define ELEMENTS_TO_SORT ( 1 << 10 )
@43x2
43x2 / WaveFileReader.h
Created May 15, 2012 10:02
XAudio2 で 32bit float ストリーミング再生
#if !defined( WAVE_FILE_READER__H )
#define WAVE_FILE_READER__H
// C/C++ Common
#include <cstdio>
#include <cstring>
// Others
#include <pstdint.h> // Available at http://www.azillionmonkeys.com/qed/pstdint.h
@43x2
43x2 / WaveFileReader.h
Created May 13, 2012 18:00
XAudio2 でストリーミング再生
#if !defined( WAVE_FILE_READER__H )
#define WAVE_FILE_READER__H
// C/C++ Common
#include <cstdio>
#include <cstring>
// Others
#include <pstdint.h> // Available at http://www.azillionmonkeys.com/qed/pstdint.h