NAME

       xerbla_array - xerbla_array: error reporting, callable from C

SYNOPSIS

   Functions
       subroutine xerbla_array (srname_array, srname_len, info)
           XERBLA_ARRAY

Detailed Description

Function Documentation

   subroutine xerbla_array (character(1), dimension(srname_len) srname_array, integer srname_len,
       integer info)
       XERBLA_ARRAY

       Purpose:

            XERBLA_ARRAY assists other languages in calling XERBLA, the LAPACK
            and BLAS error handler.  Rather than taking a Fortran string argument
            as the function's name, XERBLA_ARRAY takes an array of single
            characters along with the array's length.  XERBLA_ARRAY then copies
            up to 32 characters of that array into a Fortran string and passes
            that to XERBLA.  If called with a non-positive SRNAME_LEN,
            XERBLA_ARRAY will call XERBLA with a string of all blank characters.

            Say some macro or other device makes XERBLA_ARRAY available to C99
            by a name lapack_xerbla and with a common Fortran calling convention.
            Then a C99 program could invoke XERBLA via:
               {
                 int flen = strlen(__func__);
                 lapack_xerbla(__func__, &flen, &info);
               }

            Providing XERBLA_ARRAY is not necessary for intercepting LAPACK
            errors.  XERBLA_ARRAY calls XERBLA.

       Parameters
           SRNAME_ARRAY

                     SRNAME_ARRAY is CHARACTER(1) array, dimension (SRNAME_LEN)
                     The name of the routine which called XERBLA_ARRAY.

           SRNAME_LEN

                     SRNAME_LEN is INTEGER
                     The length of the name in SRNAME_ARRAY.

           INFO

                     INFO is INTEGER
                     The position of the invalid parameter in the parameter list
                     of the calling routine.

       Author
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

Author

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