# C.3 Basic Linear Algebraic Routines (VAX only)

This section summarizes the Basic Linear Algebraic Subroutines (BLAS) Level 1: Basic and Extended Set. These routines perform operations on arrays.

The following table lists the BLAS Level 1 routines:

Basic Set | Extended Set
--- | ---
IxAMAX | xNRM2 | IxAMIN | xNORM2
xASUM | xROT | IxMAX | xNRSQ
xAXPY | xROTG | IxMIN | xSET
xCOPY | xSCAL | xAMAX | xSUM
xDOTx | xSWAP | xAMIN | xVCAL
|  | xMAX | xZAXPY
|  | xMIN |

Note
  The Compaq (formerly DIGITAL) Extended Math Library product may be needed to resolve references to BLAS Extended Set routines that are not expanded inline by the compiler.

For More Information:

- On BLAS routines, in general, see your performance guide, the OpenVMS VAX RTL Mathematics (MTH$) Manual, the OpenVMS RTL Library (LIB$) Manual, The Compaq Extended Math Library Reference Manual, and The Compaq Extended Math Library for OpenVMS VAX User Guide.

- On the VAX compiler option BLAS, see your user manual.

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