lapacke_ctfttr_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
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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 ctfttr
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_ctfttr_work( int matrix_order, char transr, char uplo,
00038                                 lapack_int n, const lapack_complex_float* arf,
00039                                 lapack_complex_float* a, lapack_int lda )
00040 {
00041     lapack_int info = 0;
00042     if( matrix_order == LAPACK_COL_MAJOR ) {
00043         /* Call LAPACK function and adjust info */
00044         LAPACK_ctfttr( &transr, &uplo, &n, arf, a, &lda, &info );
00045         if( info < 0 ) {
00046             info = info - 1;
00047         }
00048     } else if( matrix_order == LAPACK_ROW_MAJOR ) {
00049         lapack_int lda_t = MAX(1,n);
00050         lapack_complex_float* a_t = NULL;
00051         lapack_complex_float* arf_t = NULL;
00052         /* Check leading dimension(s) */
00053         if( lda < n ) {
00054             info = -7;
00055             LAPACKE_xerbla( "LAPACKE_ctfttr_work", info );
00056             return info;
00057         }
00058         /* Allocate memory for temporary array(s) */
00059         a_t = (lapack_complex_float*)
00060             LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,n) );
00061         if( a_t == NULL ) {
00062             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00063             goto exit_level_0;
00064         }
00065         arf_t = (lapack_complex_float*)
00066             LAPACKE_malloc( sizeof(lapack_complex_float) *
00067                             ( MAX(1,n) * MAX(2,n+1) ) / 2 );
00068         if( arf_t == NULL ) {
00069             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00070             goto exit_level_1;
00071         }
00072         /* Transpose input matrices */
00073         LAPACKE_cpf_trans( matrix_order, transr, uplo, n, arf, arf_t );
00074         /* Call LAPACK function and adjust info */
00075         LAPACK_ctfttr( &transr, &uplo, &n, arf_t, a_t, &lda_t, &info );
00076         if( info < 0 ) {
00077             info = info - 1;
00078         }
00079         /* Transpose output matrices */
00080         LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, n, a_t, lda_t, a, lda );
00081         /* Release memory and exit */
00082         LAPACKE_free( arf_t );
00083 exit_level_1:
00084         LAPACKE_free( a_t );
00085 exit_level_0:
00086         if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
00087             LAPACKE_xerbla( "LAPACKE_ctfttr_work", info );
00088         }
00089     } else {
00090         info = -1;
00091         LAPACKE_xerbla( "LAPACKE_ctfttr_work", info );
00092     }
00093     return info;
00094 }


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autogenerated on Sat Jun 8 2019 18:55:52