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BLAS0
Auxilliary Functions for Basic Linear Algebra Subprograms (BLAS) {#blas0-auxilliary-functions-for-basic-linear-algebra-subprograms-blas align="center"}

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

Licensing: {#licensing align="center"}

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

Languages: {#languages align="center"}

BLAS0 is available in a C version and a C++ version and a FORTRAN77 version and a FORTRAN90 version and a MATLAB version

Related Data and Programs: {#related-data-and-programs align="center"}

BLAS1_C, a C++ 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 C++ 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 C++ 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 C++ 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.

BLAS2, a C++ library which contains basic linear algebra subprograms (BLAS) for matrix-vector operations;

BLAS3, a C++ library which contains basic linear algebra subprograms (BLAS) for matrix-matrix operations;

Reference: {#reference align="center"}

  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: {#source-code align="center"}

Examples and Tests: {#examples-and-tests align="center"}

List of Routines: {#list-of-routines align="center"}

  • C4_UNIFORM_01 returns a unit complex pseudorandom number.
  • C8_UNIFORM_01 returns a unit double complex pseudorandom number.
  • CABS1 returns the L1 norm of a number.
  • CABS2 returns the L2 norm of a number.
  • CMACH computes machine parameters for complex arithmetic.
  • CSIGN1 is a transfer-of-sign function.
  • CSIGN2 is a transfer-of-sign function.
  • DMACH computes machine parameters of double precision real arithmetic.
  • I4_MAX returns the maximum of two I4's.
  • I4_MIN returns the minimum of two I4's.
  • LSAME returns TRUE if CA is the same letter as CB regardless of case.
  • R4_ABS returns the absolute value of an R4.
  • R4_MAX returns the maximum of two R4's.
  • R4_SIGN returns the sign of an R4.
  • R4_UNIFORM_01 returns a unit pseudorandom R4.
  • R4_UNIFORM_AB returns a scaled pseudorandom R4.
  • R4MAT_PRINT prints an R4MAT.
  • R4MAT_PRINT_SOME prints some of an R4MAT.
  • R4MAT_TEST sets up a test matrix.
  • R8_ABS returns the absolute value of an R8.
  • R8_MAX returns the maximum of two R8's.
  • R8_SIGN returns the sign of an R8.
  • R8_UNIFORM_01 returns a unit pseudorandom R8.
  • R8_UNIFORM_AB returns a scaled pseudorandom R8.
  • R8MAT_PRINT prints an R8MAT.
  • R8MAT_PRINT_SOME prints some of an R8MAT.
  • R8MAT_TEST sets up a test matrix.
  • R8VEC_PRINT prints an R8VEC.
  • SMACH computes machine parameters of float arithmetic.
  • TIMESTAMP prints the current YMDHMS date as a time stamp.
  • XERBLA is an error handler for the LAPACK routines.
  • ZABS1 returns the L1 norm of a complex .
  • ZABS2 returns the L2 norm of a complex .
  • ZMACH computes machine parameters for complex arithmetic.
  • ZSIGN1 is a complex transfer-of-sign function.
  • ZSIGN2 is a complex transfer-of-sign function.

You can go up one level to the C++ source codes.

Last revised on 03 April 2014.