| Issue |
61658
|
| Summary |
Approximate result of floating-point operation with -O2
|
| Labels |
|
| Assignees |
|
| Reporter |
Fedr
|
The following program
```
#include <iostream>
#include <limits>
int main() {
double A = std::numeric_limits<double>::max();
double C = -0.1;
double V = A * C - A * C;
std::cout << V << std::endl;
}
```
if compiled with `-O2` option, prints `-4.9896e+290` instead of `0`. Is it normal?
Online demo: https://godbolt.org/z/fqf7xaYhq
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