BLAS
The BLAS (Basic Linear Algebra Subroutines) are high-quality building block routines for performing basic vector and matrix operations. Level 1 BLAS do vector-vector operations, Level 2 BLAS do matrix-vector operations, and Level 3 BLAS do matrix-matrix operations.
Please see the CXML documentation for more details.
See also
- The Netlib website has documentation for the BLAS at http://www.netlib.org/blas/.