Chapter objectives

Hewlett-Packard scientific libraries. Refer to the Appendix, “Converting from LINPACK or EISPACK” in the LAPACK Users’ Guide, for assistance converting programs that currently call LINPACK or EISPACK routines to call LAPACK or VECLIB routines instead.

This chapter provides information necessary for efficient use of VECLIB and includes discussions of:

•Standardization

•Accessing VECLIB

•Optimization

•Parallel processing

•Roundoff effects

•Data types and precision

•VECLIB naming convention

•Data type and byte length

•Operator arguments

•Error handling

•HP MLIB man pages

•Troubleshooting

Chapter objectives

After reading this chapter you will:

•Know how to access VECLIB library subprograms

•Understand how VECLIB works in a parallel computing environment

•Understand VECLIB naming conventions

•Understand roundoff effects

•Understand how VECLIB handles errors

•Know how to access the online HP MLIB man pages

•Know what to do if you experience trouble using VECLIB subprograms

2HP MLIB User’s Guide