# Strange behavior of \`ifort\`

**URL:** https://fortran-lang.discourse.group/t/strange-behavior-of-ifort/4846
**Category:** Uncategorized
**Created:** [December 2, 2022, 12:58pm UTC](https://fortran-lang.discourse.group/t/strange-behavior-of-ifort/4846 "2022-12-02T12:58:03Z")
**Posts on this page:** 1
**Showing post:** 31

<div class="post-metadata">

### Author: ![FortranFan](https://avatars.discourse-cdn.com/v4/letter/f/96bed5/32.png) [@FortranFan](https://fortran-lang.discourse.group/u/FortranFan)
#### Post date: [December 5, 2022, 10:25pm UTC](https://fortran-lang.discourse.group/t/strange-behavior-of-ifort/4846/31 "2022-12-05T22:25:40Z")

</div>

@greenrongreen ,

I was expecting you to state there is a **bug** with `IFORT` when `-prec-div` is **not** in effect.

Please consider the trivial example in the [**other comment**](https://fortran-lang.discourse.group/t/strange-behavior-of-ifort/4846/23) upthread. Why would `x(3)` and `x(5)` end up with different values when they are subjected to the same arithmetic operation? Whereas `x(2)` and `x(4)` match up ok?

---

_[View the full topic](https://fortran-lang.discourse.group/t/strange-behavior-of-ifort/4846)._