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Diffstat (limited to 'doc/source/user/building.rst')
| -rw-r--r-- | doc/source/user/building.rst | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/doc/source/user/building.rst b/doc/source/user/building.rst index 54ece3da3..47399139e 100644 --- a/doc/source/user/building.rst +++ b/doc/source/user/building.rst @@ -142,6 +142,16 @@ will prefer to use ATLAS, then BLIS, then OpenBLAS and as a last resort MKL. If neither of these exists the build will fail (names are compared lower case). +Alternatively one may use ``!`` or ``^`` to negate all items:: + + NPY_BLAS_ORDER='^blas,atlas' python setup.py build + +will allow using anything **but** NetLIB BLAS and ATLAS libraries, the order of the above +list is retained. + +One cannot mix negation and positives, nor have multiple negations, such cases will +raise an error. + LAPACK ~~~~~~ @@ -165,6 +175,17 @@ will prefer to use ATLAS, then OpenBLAS and as a last resort MKL. If neither of these exists the build will fail (names are compared lower case). +Alternatively one may use ``!`` or ``^`` to negate all items:: + + NPY_LAPACK_ORDER='^lapack' python setup.py build + +will allow using anything **but** the NetLIB LAPACK library, the order of the above +list is retained. + +One cannot mix negation and positives, nor have multiple negations, such cases will +raise an error. + + .. deprecated:: 1.20 The native libraries on macOS, provided by Accelerate, are not fit for use in NumPy since they have bugs that cause wrong output under easily reproducible |