diff --git a/lapack-netlib/LAPACKE/src/lapacke_zlangb_work.c b/lapack-netlib/LAPACKE/src/lapacke_zlangb_work.c new file mode 100644 index 000000000..d64fb482d --- /dev/null +++ b/lapack-netlib/LAPACKE/src/lapacke_zlangb_work.c @@ -0,0 +1,84 @@ +/***************************************************************************** + Copyright (c) 2022, Intel Corp. + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + * Neither the name of Intel Corporation nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + THE POSSIBILITY OF SUCH DAMAGE. +***************************************************************************** +* Contents: Native middle-level C interface to LAPACK function zlangb +* Author: Simon Märtens +*****************************************************************************/ + +#include "lapacke_utils.h" + +double LAPACKE_zlangb_work( int matrix_layout, char norm, lapack_int n, + lapack_int kl, lapack_int ku, + const lapack_complex_double* ab, lapack_int ldab, + double* work ) +{ + lapack_int info = 0; + double res = 0.; + if( matrix_layout == LAPACK_COL_MAJOR ) { + /* Call LAPACK function and adjust info */ + res = LAPACK_zlangb( &norm, &n, &kl, &ku, ab, &ldab, work ); + } else if( matrix_layout == LAPACK_ROW_MAJOR ) { + char norm_lapack; + double* work_lapack = NULL; + /* Check leading dimension(s) */ + if( ldab < kl+ku+1 ) { + info = -7; + LAPACKE_xerbla( "LAPACKE_zlangb_work", info ); + return info; + } + if( LAPACKE_lsame( norm, '1' ) || LAPACKE_lsame( norm, 'o' ) ) { + norm_lapack = 'i'; + } else if( LAPACKE_lsame( norm, 'i' ) ) { + norm_lapack = '1'; + } else { + norm_lapack = norm; + } + /* Allocate memory for work array(s) */ + if( LAPACKE_lsame( norm_lapack, 'i' ) ) { + work_lapack = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) ); + if( work_lapack == NULL ) { + info = LAPACK_WORK_MEMORY_ERROR; + goto exit_level_0; + } + } + /* Call LAPACK function */ + res = LAPACK_zlangb( &norm, &n, &ku, &kl, ab, &ldab, work ); + /* Release memory and exit */ + if( work_lapack ) { + LAPACKE_free( work_lapack ); + } +exit_level_0: + if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) { + LAPACKE_xerbla( "LAPACKE_zlangb_work", info ); + } + } else { + info = -1; + LAPACKE_xerbla( "LAPACKE_zlangb_work", info ); + } + return res; +}