BLAS0
Auxilliary Functions for Basic Linear Algebra Subprograms (BLAS)

BLAS0 is a MATLAB library which contains auxilliary functions for the Basic Linear Algebra Subprograms (BLAS).

Licensing:

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

Languages:

BLAS0 is available in a C version and a C++ version and a FORTRAN90 version and a MATLAB version

Related Data and Programs:

blas0_test

BLAS1_C, a MATLAB library which contains basic linear algebra subprograms (BLAS) for vector-vector operations, using single precision complex arithmetic, by Charles Lawson, Richard Hanson, David Kincaid, Fred Krogh.

BLAS1_D, a MATLAB library which contains basic linear algebra subprograms (BLAS) for vector-vector operations, using double precision real arithmetic, by Charles Lawson, Richard Hanson, David Kincaid, Fred Krogh.

BLAS1_S, a MATLAB library which contains basic linear algebra subprograms (BLAS) for vector-vector operations, using single precision real arithmetic, by Charles Lawson, Richard Hanson, David Kincaid, Fred Krogh.

BLAS1_Z, a MATLAB library which contains basic linear algebra subprograms (BLAS) for vector-vector operations, using double precision complex arithmetic, by Charles Lawson, Richard Hanson, David Kincaid, Fred Krogh.

Reference:

1. Charles Lawson, Richard Hanson, David Kincaid, Fred Krogh,
   Algorithm 539: Basic Linear Algebra Subprograms for Fortran Usage,
   ACM Transactions on Mathematical Software,
   Volume 5, Number 3, September 1979, pages 308-323.

Source Code:

• c4_uniform_01.m, returns a random C4;
• c4mat_print.m, prints a C4MAT.
• c4mat_print_some.m, prints some of a C4MAT.
• c4mat_test.m, sets up a test matrix.
• c4mat_test_inverse.m, sets the inverse of a test matrix.
• c8_uniform_01.m, returns a unit pseudorandom C8.
• c8mat_print.m, prints a C8MAT.
• c8mat_print_some.m, prints some of a C8MAT.
• c8mat_test.m, sets up a test matrix.
• c8mat_test_inverse.m, sets the inverse of a test matrix.
• cabs1.m, returns the L1 magnitude of a complex number;
• cabs2.m, returns the L2 magnitude of a complex number;
• cmach.m, computes single precision complex machine parameters.
• csign1.m, transfer of sign to the L1 magnitude of a complex number.
• csign2.m, transfer of sign to the L2 magnitude of a complex number.
• dmach.m, computes double precision real machine parameters.
• lsame.m, returns .TRUE. if CA is the same letter as CB regardless of case.
• r4_abs.m, returns the absolute value of an R4;
• r4_sign.m, returns the sign of an R4.
• r4_uniform_01.m, returns a unit pseudorandom R4.
• r4_uniform_ab.m, returns a scaled pseudorandom R4.
• r4mat_print.m, prints an R4MAT.
• r4mat_print_some.m, prints some of an R4MAT.
• r4mat_test.m, sets up a test matrix.
• r4vec_print.m, prints an R4VEC;
• r8_abs.m, returns the absolute value of an R8;
• r8_sign.m, returns the sign of an R8;
• r8_uniform_01.m, returns a unit pseudorandom R8.
• r8_uniform_ab.m, returns a scaled pseudorandom R8.
• r8mat_print.m, prints an R8MAT.
• r8mat_print_some.m, prints some of an R8MAT.
• r8mat_test.m, sets up a test matrix.
• r8vec_print.m, prints an R8VEC.
• smach.m, computes single precision real machine parameters.
• timestamp.m, prints the YMDHMS date as a timestamp.
• triangle_upper_to_i4.m, converts a pair of indices in an upper triangle to an I4.
• xerbla.m, is an error handler for the LAPACK routines.
• zabs1.m, returns the L1 magnitude of a complex number;
• zabs2.m, returns the L2 magnitude of a complex number;
• zmach.m, computes double precision complex machine parameters.
• zsign1.m, transfer of sign to the L1 magnitude of a complex number.
• zsign2.m, transfer of sign to the L2 magnitude of a complex number.