DAMASK_EICMD/installation/patch/README.md

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# DAMASK patching
This folder contains patches that modify the functionality of the current version of DAMASK prior to the corresponding inclusion in the official release.
## Usage
```bash
cd DAMASK_ROOT
patch -p1 < installation/patch/nameOfPatch
```
## Available patches
* **fwbw_derivative** switches the default spatial derivative from continuous to forward/backward difference.
This generally reduces spurious oscillations in the result as the spatial accuracy of the derivative is then compatible with the underlying solution grid.
* **petsc3.7** adapts to API changes introduced between PETSc 3.6.x and 3.7.x for setting PETSc options.
Use this patch if your system runs PETSc 3.7.x.