lapacke_sspev_work.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
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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 middle-level C interface to LAPACK function sspev
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_sspev_work( int matrix_order, char jobz, char uplo,
00038                                lapack_int n, float* ap, float* w, float* z,
00039                                lapack_int ldz, float* work )
00040 {
00041     lapack_int info = 0;
00042     if( matrix_order == LAPACK_COL_MAJOR ) {
00043         /* Call LAPACK function and adjust info */
00044         LAPACK_sspev( &jobz, &uplo, &n, ap, w, z, &ldz, work, &info );
00045         if( info < 0 ) {
00046             info = info - 1;
00047         }
00048     } else if( matrix_order == LAPACK_ROW_MAJOR ) {
00049         lapack_int ldz_t = MAX(1,n);
00050         float* z_t = NULL;
00051         float* ap_t = NULL;
00052         /* Check leading dimension(s) */
00053         if( ldz < n ) {
00054             info = -8;
00055             LAPACKE_xerbla( "LAPACKE_sspev_work", info );
00056             return info;
00057         }
00058         /* Allocate memory for temporary array(s) */
00059         if( LAPACKE_lsame( jobz, 'v' ) ) {
00060             z_t = (float*)LAPACKE_malloc( sizeof(float) * ldz_t * MAX(1,n) );
00061             if( z_t == NULL ) {
00062                 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00063                 goto exit_level_0;
00064             }
00065         }
00066         ap_t = (float*)
00067             LAPACKE_malloc( sizeof(float) * ( MAX(1,n) * MAX(2,n+1) ) / 2 );
00068         if( ap_t == NULL ) {
00069             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00070             goto exit_level_1;
00071         }
00072         /* Transpose input matrices */
00073         LAPACKE_ssp_trans( matrix_order, uplo, n, ap, ap_t );
00074         /* Call LAPACK function and adjust info */
00075         LAPACK_sspev( &jobz, &uplo, &n, ap_t, w, z_t, &ldz_t, work, &info );
00076         if( info < 0 ) {
00077             info = info - 1;
00078         }
00079         /* Transpose output matrices */
00080         if( LAPACKE_lsame( jobz, 'v' ) ) {
00081             LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, n, z_t, ldz_t, z, ldz );
00082         }
00083         LAPACKE_ssp_trans( LAPACK_COL_MAJOR, uplo, n, ap_t, ap );
00084         /* Release memory and exit */
00085         LAPACKE_free( ap_t );
00086 exit_level_1:
00087         if( LAPACKE_lsame( jobz, 'v' ) ) {
00088             LAPACKE_free( z_t );
00089         }
00090 exit_level_0:
00091         if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
00092             LAPACKE_xerbla( "LAPACKE_sspev_work", info );
00093         }
00094     } else {
00095         info = -1;
00096         LAPACKE_xerbla( "LAPACKE_sspev_work", info );
00097     }
00098     return info;
00099 }


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autogenerated on Sat Jun 8 2019 18:55:54