lapacke_ctfsm_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
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 middle-level C interface to LAPACK function ctfsm
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_ctfsm_work( int matrix_order, char transr, char side,
00038                                char uplo, char trans, char diag, lapack_int m,
00039                                lapack_int n, lapack_complex_float alpha,
00040                                const lapack_complex_float* a,
00041                                lapack_complex_float* b, lapack_int ldb )
00042 {
00043     lapack_int info = 0;
00044     if( matrix_order == LAPACK_COL_MAJOR ) {
00045         /* Call LAPACK function and adjust info */
00046         LAPACK_ctfsm( &transr, &side, &uplo, &trans, &diag, &m, &n, &alpha, a,
00047                       b, &ldb );
00048         if( info < 0 ) {
00049             info = info - 1;
00050         }
00051     } else if( matrix_order == LAPACK_ROW_MAJOR ) {
00052         lapack_int ldb_t = MAX(1,m);
00053         lapack_complex_float* b_t = NULL;
00054         lapack_complex_float* a_t = NULL;
00055         /* Check leading dimension(s) */
00056         if( ldb < n ) {
00057             info = -12;
00058             LAPACKE_xerbla( "LAPACKE_ctfsm_work", info );
00059             return info;
00060         }
00061         /* Allocate memory for temporary array(s) */
00062         b_t = (lapack_complex_float*)
00063             LAPACKE_malloc( sizeof(lapack_complex_float) * ldb_t * MAX(1,n) );
00064         if( b_t == NULL ) {
00065             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00066             goto exit_level_0;
00067         }
00068         if( IS_C_NONZERO(alpha) ) {
00069             a_t = (lapack_complex_float*)
00070                 LAPACKE_malloc( sizeof(lapack_complex_float) *
00071                                 ( MAX(1,n) * MAX(2,n+1) ) / 2 );
00072             if( a_t == NULL ) {
00073                 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00074                 goto exit_level_1;
00075             }
00076         }
00077         /* Transpose input matrices */
00078         if( IS_C_NONZERO(alpha) ) {
00079             LAPACKE_cge_trans( matrix_order, m, n, b, ldb, b_t, ldb_t );
00080         }
00081         if( IS_C_NONZERO(alpha) ) {
00082             LAPACKE_ctf_trans( matrix_order, transr, uplo, diag, n, a, a_t );
00083         }
00084         /* Call LAPACK function and adjust info */
00085         LAPACK_ctfsm( &transr, &side, &uplo, &trans, &diag, &m, &n, &alpha, a_t,
00086                       b_t, &ldb_t );
00087         info = 0;  /* LAPACK call is ok! */
00088         /* Transpose output matrices */
00089         LAPACKE_cge_trans( LAPACK_COL_MAJOR, m, n, b_t, ldb_t, b, ldb );
00090         /* Release memory and exit */
00091         if( IS_C_NONZERO(alpha) ) {
00092             LAPACKE_free( a_t );
00093         }
00094 exit_level_1:
00095         LAPACKE_free( b_t );
00096 exit_level_0:
00097         if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
00098             LAPACKE_xerbla( "LAPACKE_ctfsm_work", info );
00099         }
00100     } else {
00101         info = -1;
00102         LAPACKE_xerbla( "LAPACKE_ctfsm_work", info );
00103     }
00104     return info;
00105 }


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autogenerated on Sat Jun 8 2019 18:55:52