lapacke_sbdsdc.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
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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 sbdsdc
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_sbdsdc( int matrix_order, char uplo, char compq,
00038                            lapack_int n, float* d, float* e, float* u,
00039                            lapack_int ldu, float* vt, lapack_int ldvt, float* q,
00040                            lapack_int* iq )
00041 {
00042     lapack_int info = 0;
00043     /* Additional scalars declarations for work arrays */
00044     size_t lwork;
00045     lapack_int* iwork = NULL;
00046     float* work = NULL;
00047     if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
00048         LAPACKE_xerbla( "LAPACKE_sbdsdc", -1 );
00049         return -1;
00050     }
00051 #ifndef LAPACK_DISABLE_NAN_CHECK
00052     /* Optionally check input matrices for NaNs */
00053     if( LAPACKE_s_nancheck( n, d, 1 ) ) {
00054         return -5;
00055     }
00056     if( LAPACKE_s_nancheck( n, e, 1 ) ) {
00057         return -6;
00058     }
00059 #endif
00060     /* Additional scalars initializations for work arrays */
00061     if( LAPACKE_lsame( compq, 'i' ) ) {
00062         lwork = (size_t)3*MAX(1,n)*MAX(1,n)+4*MAX(1,n);
00063     } else if( LAPACKE_lsame( compq, 'p' ) ) {
00064         lwork = MAX(1,6*n);
00065     } else if( LAPACKE_lsame( compq, 'n' ) ) {
00066         lwork = MAX(1,4*n);
00067     } else {
00068         lwork = 1; /* Any value */
00069     }
00070     /* Allocate memory for working array(s) */
00071     iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,8*n) );
00072     if( iwork == NULL ) {
00073         info = LAPACK_WORK_MEMORY_ERROR;
00074         goto exit_level_0;
00075     }
00076     work = (float*)LAPACKE_malloc( sizeof(float) * lwork );
00077     if( work == NULL ) {
00078         info = LAPACK_WORK_MEMORY_ERROR;
00079         goto exit_level_1;
00080     }
00081     /* Call middle-level interface */
00082     info = LAPACKE_sbdsdc_work( matrix_order, uplo, compq, n, d, e, u, ldu, vt,
00083                                 ldvt, q, iq, work, iwork );
00084     /* Release memory and exit */
00085     LAPACKE_free( work );
00086 exit_level_1:
00087     LAPACKE_free( iwork );
00088 exit_level_0:
00089     if( info == LAPACK_WORK_MEMORY_ERROR ) {
00090         LAPACKE_xerbla( "LAPACKE_sbdsdc", info );
00091     }
00092     return info;
00093 }


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autogenerated on Sat Jun 8 2019 18:55:53