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DOC: update site.cfg.example with notes about umfpack/fftw.

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1 parent 9e71af4 commit c50af53f0edbb3e059c21274dbd9204f637d677f @rgommers rgommers committed
Showing with 10 additions and 4 deletions.
  1. +10 −4 site.cfg.example
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14 site.cfg.example
@@ -86,15 +86,19 @@
#[lapack_opt]
#libraries = lapack, ptf77blas, ptcblas, atlas
+
# UMFPACK
# -------
-# The UMFPACK library is used to factor large sparse matrices. It, in turn,
-# depends on the AMD library for reordering the matrices for better performance.
-# Note that the AMD library has nothing to do with AMD (Advanced Micro Devices),
-# the CPU company.
+# The UMFPACK library is used in scikits.umfpack to factor large sparse matrices.
+# It, in turn, depends on the AMD library for reordering the matrices for
+# better performance. Note that the AMD library has nothing to do with AMD
+# (Advanced Micro Devices), the CPU company.
+#
+# UMFPACK is not needed for numpy or scipy.
#
# http://www.cise.ufl.edu/research/sparse/umfpack/
# http://www.cise.ufl.edu/research/sparse/amd/
+# http://scikits.appspot.com/umfpack
#
#[amd]
#amd_libs = amd
@@ -102,9 +106,11 @@
#[umfpack]
#umfpack_libs = umfpack
+
# FFT libraries
# -------------
# There are two FFT libraries that we can configure here: FFTW (2 and 3) and djbfft.
+# Note that these libraries are not needed for numpy or scipy.
#
# http://fftw.org/
# http://cr.yp.to/djbfft.html

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