We're just trying to upgrade our Intel Composer installation from 2011 to 2013, but we are finding that although most results are unchanged, a few change a bit, and some quite a lot.
I've read through the release notes, and what I understood would not explain these differences (we have no multi-threading or classes - polymorphic or otherwise).
Are there any difference between the Intel Fortran compiler v13.0 and its immediate predecessor v11.0 in the following areas:
- Are uninitialised variables treated differently?
- Are there any compiler flags (like floating point settings) whose defaults have changed?
- Has the implicit casting of numeric types changed?