lapacke_dggbal.c
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00001 /*****************************************************************************
00002   Copyright (c) 2010, Intel Corp.
00003   All rights reserved.
00004 
00005   Redistribution and use in source and binary forms, with or without
00006   modification, are permitted provided that the following conditions are met:
00007 
00008     * Redistributions of source code must retain the above copyright notice,
00009       this list of conditions and the following disclaimer.
00010     * Redistributions in binary form must reproduce the above copyright
00011       notice, this list of conditions and the following disclaimer in the
00012       documentation and/or other materials provided with the distribution.
00013     * Neither the name of Intel Corporation nor the names of its contributors
00014       may be used to endorse or promote products derived from this software
00015       without specific prior written permission.
00016 
00017   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00018   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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00023   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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00026   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
00027   THE POSSIBILITY OF SUCH DAMAGE.
00028 ******************************************************************************
00029 * Contents: Native high-level C interface to LAPACK function dggbal
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_dggbal( int matrix_order, char job, lapack_int n, double* a,
00038                            lapack_int lda, double* b, lapack_int ldb,
00039                            lapack_int* ilo, lapack_int* ihi, double* lscale,
00040                            double* rscale )
00041 {
00042     lapack_int info = 0;
00043     /* Additional scalars declarations for work arrays */
00044     lapack_int lwork;
00045     double* work = NULL;
00046     if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
00047         LAPACKE_xerbla( "LAPACKE_dggbal", -1 );
00048         return -1;
00049     }
00050 #ifndef LAPACK_DISABLE_NAN_CHECK
00051     /* Optionally check input matrices for NaNs */
00052     if( LAPACKE_lsame( job, 'p' ) || LAPACKE_lsame( job, 's' ) ||
00053         LAPACKE_lsame( job, 'b' ) ) {
00054         if( LAPACKE_dge_nancheck( matrix_order, n, n, a, lda ) ) {
00055             return -4;
00056         }
00057     }
00058     if( LAPACKE_lsame( job, 'p' ) || LAPACKE_lsame( job, 's' ) ||
00059         LAPACKE_lsame( job, 'b' ) ) {
00060         if( LAPACKE_dge_nancheck( matrix_order, n, n, b, ldb ) ) {
00061             return -6;
00062         }
00063     }
00064 #endif
00065     /* Additional scalars initializations for work arrays */
00066     if( LAPACKE_lsame( job, 's' ) || LAPACKE_lsame( job, 'b' ) ) {
00067         lwork = MAX(1,6*n);
00068     } else {
00069         lwork = 1;
00070     }
00071     /* Allocate memory for working array(s) */
00072     work = (double*)LAPACKE_malloc( sizeof(double) * lwork );
00073     if( work == NULL ) {
00074         info = LAPACK_WORK_MEMORY_ERROR;
00075         goto exit_level_0;
00076     }
00077     /* Call middle-level interface */
00078     info = LAPACKE_dggbal_work( matrix_order, job, n, a, lda, b, ldb, ilo, ihi,
00079                                 lscale, rscale, work );
00080     /* Release memory and exit */
00081     LAPACKE_free( work );
00082 exit_level_0:
00083     if( info == LAPACK_WORK_MEMORY_ERROR ) {
00084         LAPACKE_xerbla( "LAPACKE_dggbal", info );
00085     }
00086     return info;
00087 }


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autogenerated on Sat Jun 8 2019 18:55:52