zuoyan

// Returns s and e, such that s = T(a + b), and e = (a + b) - s, i.e. s + e = a
// + b exactly.
template <class T>
std::pair<T, T> AddPair(const T& a, const T& b) {
  auto s = a + b;
  auto b_v = s - a;
  auto e = (a - (s - b_v)) + (b - b_v);
  // auto a_v = s - b_v;
  // auto b_r = b - b_v;

zuoyan

#!/bin/env/python
# coding: utf8
#
# Parse google scholar alerts email, and output a csv file.

import re
import sys
from HTMLParser import HTMLParser
import traceback
import md5

zuoyan

// Author: Changsheng Jiang(jiangzuoyan@gmail.com)
// Public domain.

namespace weizi {
namespace f256 {

inline unsigned char Add(unsigned char a, unsigned char b) { return a ^ b; }

inline unsigned char Sub(unsigned char a, unsigned char b) { return a ^ b; }

zuoyan

INCLUDE(CMakeParseArguments)

FUNCTION(WEIZI_ABSOLUTE NAME OUT)
  IF (${NAME} MATCHES "^/")
    SET(${OUT} ${NAME} PARENT_SCOPE)
    RETURN()
  ENDIF()
  IF ("${CMAKE_SOURCE_DIR}/weizi" STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}")
    SET(${OUT} "/${NAME}" PARENT_SCOPE)
    RETURN()

zuoyan

#include <atomic>
#include <iostream>
#include <tuple>

#include "tmp.hpp" // see http://github.com/zuoyan/tmp

template <template <class ...> class F, class ...A>
struct tcurry {
  template <class ...T>
  struct apply {