sci-libs/atlas
Automatically Tuned Linear Algebra Software
USE Flags
doc
Global: Adds extra documentation (API, Javadoc, etc)
fortran
Global: Adds support for fortran (formerly f77)
generic
* This flag is undocumented *
lapack
Global: Adds support for the virtual/lapack numerical library
static-libs
Global: Build static libraries
threads
Global: Adds threads support for various packages. Usually pthreads