BLAS_OSX, a C program which demonstrates how to access the BLAS library on a Macintosh that is running the OSX operating system.
The BLAS are available, but you have to include the Accelerate/Accelerate.h include file at compile time, and the "-framework Accelerate" switch at load time.
The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.
BLAS_OSX is available in a C version and a C++ version and a FORTRAN90 version.
BLAS, a C library which contains the Basic Linear Algebra Subprograms (BLAS) for level 1 (vector-vector operations), level 2 (matrix-vector operations) and level 3 (matrix-matrix operations), for single precision real arithmetic, double precision real arithmetic, single precision complex arithmetic, and double precision complex arithmetic.
LAPACK_OSX, a C program which demonstrates the use of the LAPACK linear algebra library on a Macintosh running the OSX operating system.
You can go up one level to the C source codes.