8000 MAINT: Split lapack_lite more logically across files by eric-wieser · Pull Request #8651 · numpy/numpy · GitHub
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Merged
merged 4 commits into from
Mar 3, 2017
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MAINT: Split lapack_lite more logically across files #8651

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9c09f01
MAINT: Improve handing of files and subprocesses
eric-wieser Mar 2, 2017
7189824
MAINT: Split up the lapack_lite files more sensibly
eric-wieser Mar 2, 2017
a674115
MAINT: Prefer to load functions from lapack/install if possible
eric-wieser Mar 1, 2017
9a77c2a
BUG: Apply fix for unknown bug in dlamch to slamch too
eric-wieser Mar 1, 2017
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MAINT: Split up the lapack_lite files more sensibly 
Also uses this splitting as an excuse to ditch the _lite suffix, in
favor of a f2c_ prefix for all generated files.

Before:

 * `zlapack_lite.c` - Functions for the `complex128` type.
 * `dlapack_lite.c` - Every other lapack function

After:

 * `f2c_z_lapack.c` - Functions for the `complex128` type.
 * `f2c_c_lapack.c` - Functions for the `complex64` type.
 * `f2c_d_lapack.c` - Functions for the `float64` type.
 * `f2c_s_lapack.c` - Functions for the `float32` type.
 * `f2c_lapack.c`   - Every other lapack function
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eric-wieser committed Mar 2, 2017
commit 71898246d4287d33d294a7a47cd6bafacc3d376f
8 changes: 3 additions & 5 deletions numpy/linalg/lapack_lite/README.rst
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Expand Up @@ -3,8 +3,7 @@ Regenerating lapack_lite source

:Author: David M. Cooke <cookedm@physics.mcmaster.ca>

The ``numpy/linalg/blas_lite.c``, ``numpy/linalg/dlapack_lite.c``, and
``numpy/linalg/zlapack_lite.c`` are ``f2c``'d versions of the LAPACK routines
The ``numpy/linalg/f2c_*.c`` files are ``f2c``'d versions of the LAPACK routines
required by the ``LinearAlgebra`` module, and wrapped by the ``lapack_lite``
module. The scripts in this directory can be used to create these files
automatically from a directory of LAPACK source files.
Expand All @@ -23,9 +22,8 @@ properly. Assuming that you have an unpacked LAPACK source tree in
$ python2 ./make_lite.py wrapped_routines ~/LAPACK new-lite/

This will grab the right routines, with dependencies, put them into the
appropriate ``blas_lite.f``, ``dlapack_lite.f``, or ``zlapack_lite.f`` files,
run ``f2c`` over them, then do some scrubbing similar to that done to
generate the CLAPACK_ distribution.
appropriate ``f2c_*.f`` files, run ``f2c`` over them, then do some scrubbing
similar to that done to generate the CLAPACK_ distribution.

.. _CLAPACK: http://netlib.org/clapack/index.html

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