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## Preamble ##
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This file provides documentation on how to build the *ELPA* library in **version ELPA-2019.05.001**.
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This file provides documentation on how to build the *ELPA* library in **version ELPA-2019.11.001.rc1**.
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With release of **version ELPA-2017.05.001** the build process has been significantly simplified,
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which makes it easier to install the *ELPA* library.
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| ... | ... | @@ -14,9 +14,10 @@ The release ELPA 2018.11.001 was the last release, where the legacy API has been |
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enabled by default (and can be disabled at build time).
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With release ELPA 2019.05.001 the legacy API is disabled by default, however,
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can be still switched on at build time.
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Most likely with the release ELPA 2019.11.001 the legacy API will be deprecated and not supported anymore.
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With this release ELPA 2019.11.001, the legacy API will be deprecated and not supported anymore.
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The release of ELPA 2019.05.001 changes the ABI and API, since it allows to also build the C-functions with optional error arguments
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The release of ELPA 2019.11.001.rc1 does change the API and ABI compared to the release 2019.05.002, since
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the legacy API has been droped.
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## How to install *ELPA* ##
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| ... | ... | @@ -85,7 +86,11 @@ An excerpt of the most important (*ELPA* specific) options reads as follows: |
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| --disable-Fortran2008-features | disable Fortran 2008 if compiler does not support it |
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| --enable-pyhton | build and install python wrapper, default no |
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| --enable-python-tests | enable python tests, default no. |
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| --enable-skew-symmetric-support | enable support for real valued skew-symmetric matrices |
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| --enable-store-build-config | stores the build config in the library object |
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| --64bit-integer-math-support | assumes that BLAS/LAPACK/SCALAPACK use 64bit integers (experimentatl) |
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| --64bit-integer-mpi-support | assumes that MPI uses 64bit integers (experimental) |
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| --heterogenous-cluster-support | allows ELPA to run on clusters of nodes with different Intel CPUs (experimental) |
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We recommend that you do not build ELPA in its main directory but that you use it
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in a sub-directory:
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