Introduction

All LAPACK driver subroutines (including expert drivers) and some LAPACK computationals have both generic LAPACK95 interfaces and generic LAPACK77 interfaces. The remaining computationals have only generic LAPACK77 interfaces. In both types of interfaces no distinction is made between single and double precision or between real and complex data types. The use of the LAPACK95 (LAPACK77) interface requires the user to specify the F95_LAPACK (F77_LAPACK) module.

For example, the GESV driver subroutine, which solves a general system of linear equations, can be called in the following ways:

• CALL LA_GESV( A, B, IPIV=ipiv, INFO=info ) !  F95_LAPACK is needed
  
• CALL LA_GESV( N, NRHS, A, LDA, IPIV, B, LDB, INFO ) !  F77_LAPACK is needed.

The LAPACK95 library and documentation will successively be updated. Questions/comments should be directed to:

lapack95@cs.utk.edu.

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