|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
#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;
}
|