lapacke_ssbgst.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
00021   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00022   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00023   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00024   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00025   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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 ssbgst
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_ssbgst( int matrix_order, char vect, char uplo, lapack_int n,
00038                            lapack_int ka, lapack_int kb, float* ab,
00039                            lapack_int ldab, const float* bb, lapack_int ldbb,
00040                            float* x, lapack_int ldx )
00041 {
00042     lapack_int info = 0;
00043     float* work = NULL;
00044     if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
00045         LAPACKE_xerbla( "LAPACKE_ssbgst", -1 );
00046         return -1;
00047     }
00048 #ifndef LAPACK_DISABLE_NAN_CHECK
00049     /* Optionally check input matrices for NaNs */
00050     if( LAPACKE_ssb_nancheck( matrix_order, uplo, n, ka, ab, ldab ) ) {
00051         return -7;
00052     }
00053     if( LAPACKE_ssb_nancheck( matrix_order, uplo, n, kb, bb, ldbb ) ) {
00054         return -9;
00055     }
00056 #endif
00057     /* Allocate memory for working array(s) */
00058     work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,2*n) );
00059     if( work == NULL ) {
00060         info = LAPACK_WORK_MEMORY_ERROR;
00061         goto exit_level_0;
00062     }
00063     /* Call middle-level interface */
00064     info = LAPACKE_ssbgst_work( matrix_order, vect, uplo, n, ka, kb, ab, ldab,
00065                                 bb, ldbb, x, ldx, work );
00066     /* Release memory and exit */
00067     LAPACKE_free( work );
00068 exit_level_0:
00069     if( info == LAPACK_WORK_MEMORY_ERROR ) {
00070         LAPACKE_xerbla( "LAPACKE_ssbgst", info );
00071     }
00072     return info;
00073 }


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