DataFormats/Math/test/sign_t.cpp - master - githubmirror/cmssw

DataFormats/Math/test/sign_t.cpp

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11 июн 2019, 11:29

11 июн 2019, 11:29146bc98

#include "DataFormats/Math/interface/SIMDVec.h"

#include <cmath>
#include <iostream>
#include <iomanip>
#include <typeinfo>
template <typename T>

void print(T a, T b) {
  using namespace mathSSE;
  std::cout << typeid(T).name() << " " << a << " " << b << (samesign(a, b) ? " " : " not ") << "same sign" << std::endl;
}

int main() {
  using namespace mathSSE;
  // int mn = -0;
  // std::cout << mn << std::endl;
  // std::cout << std::hex << mn << std::endl;
  print(123, -902030);
  print(123LL, -902030LL);
  print(-123.f, 123.e-4f);
  print(-123., 123.e-4);

  print(123, 902030);
  print(123LL, 902030LL);
  print(123.f, 123.e-4f);
  print(123., 123.e-4);

  print(-123, -902030);
  print(-123LL, -902030LL);
  print(-123.f, -123.e-4f);
  print(-123., -123.e-4);

  //  int const mask= 0x80000000;
  // std::cout << mask << std::endl;
  // std::cout << std::hex << mask << std::endl;

  return 0;
}