LAPACK_F77
FORTRAN90 Calling Program for FORTRAN77 version of LAPACK

LAPACK_F77 is a FORTRAN90 program which calls the FORTRAN77 version of the LAPACK library, which can solve linear systems and compute eigevalues.

LAPACK includes routines to

• Solve a linear system;
• Solve an under- or over-determined linear system;
• Compute the determinant;
• Compute the inverse matrix;
• Compute the condition number;
• Compute the singular value decomposition;
• Compute the QR decomposition;
• Compute the eigenvalues and eigenvectors of a matrix;

The source code and documentation for LAPACK is available through the NETLIB web site.

Licensing:

The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.

Languages:

LAPACK_F77 is available in a FORTRAN90 version.

Related Data and Programs:

BLAS, a FORTRAN90 library which contains the Basic Linear Algebra Subprograms (BLAS) for level 1 (vector-vector operations), level 2 (matrix-vector operations) and level 3 (matrix-matrix operations), for single precision real arithmetic, double precision real arithmetic, single precision complex arithmetic, and double precision complex arithmetic.

LAPACK_D, a FORTRAN90 library which is a FORTRAN90 version of the double precision real LAPACK + BLAS libraries.

LAPACK_OSX, a FORTRAN90 program which demonstrates the use of the LAPACK linear algebra library available on Macintosh OSX systems, using the "-framework veclib" compiler option.

LAPACK_S, a FORTRAN90 library which is a FORTRAN90 version of the single precision real LAPACK + BLAS libraries.

Reference:

1. Edward Anderson, Zhaojun Bai, Christian Bischof, Susan Blackford, James Demmel, Jack Dongarra, Jeremy DuCroz, Anne Greenbaum, Sven Hammarling, Alan McKenney, Danny Sorensen,
   LAPACK User's Guide,
   Third Edition,
   SIAM, 1999,
   ISBN: 0898714478,
   LC: QA76.73.F25L36
2. Vincent Barker, Susan Blackford, Jack Dongarra, Jeremy Du Croz, Sven Hammarling, Minka Marinova, Jerzy Wasniewski, Plamen Yalamov,
   LAPACK95 User's Guide,
   SIAM, 2001,
   ISBN13: 978-0-898715-04-0,
   LC: QA76.73.F25.L36.

Examples and Tests:

• lapack_f77_test.f90, a sample calling program.
• lapack_f77_test.txt, the output file.

You can go up one level to the FORTRAN90 source codes.