BLAS,全称Basic Linear Algebra Subprograms，即基础线性代数子程序库，里面拥有大量已经编写好的关于线性代数运算的程序。

摘录：

BLAS Index (Levels 1, 2, and 3) #

# #

# NOTE: All BLAS routines are listed in the order in which #

# they appear on the BLAS Quick Reference Guide. #

# #

# Organization of this index: #

# Documentation and Test Suites #

# Miscellaneous and Auxiliary Routines #

# Level 1 BLAS routines #

# Level 2 BLAS routines #

# Level 3 BLAS routines #

# Extended precision Level 2 BLAS routines #