173 lines
		
	
	
		
			7.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			173 lines
		
	
	
		
			7.5 KiB
		
	
	
	
		
			C
		
	
	
	
| /*****************************************************************************
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|   Copyright (c) 2011, Intel Corp.
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|   All rights reserved.
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| 
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|   Redistribution and use in source and binary forms, with or without
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|   modification, are permitted provided that the following conditions are met:
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| 
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|     * Redistributions of source code must retain the above copyright notice,
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|       this list of conditions and the following disclaimer.
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|     * Redistributions in binary form must reproduce the above copyright
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|       notice, this list of conditions and the following disclaimer in the
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|       documentation and/or other materials provided with the distribution.
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|     * Neither the name of Intel Corporation nor the names of its contributors
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|       may be used to endorse or promote products derived from this software
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|       without specific prior written permission.
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| 
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|   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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|   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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|   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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|   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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|   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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|   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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|   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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|   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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|   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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|   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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|   THE POSSIBILITY OF SUCH DAMAGE.
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| *****************************************************************************
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| * Contents: Native middle-level C interface to LAPACK function zggesx
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| * Author: Intel Corporation
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| * Generated November, 2011
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| *****************************************************************************/
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| 
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| #include "lapacke_utils.h"
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| 
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| lapack_int LAPACKE_zggesx_work( int matrix_order, char jobvsl, char jobvsr,
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|                                 char sort, LAPACK_Z_SELECT2 selctg, char sense,
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|                                 lapack_int n, lapack_complex_double* a,
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|                                 lapack_int lda, lapack_complex_double* b,
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|                                 lapack_int ldb, lapack_int* sdim,
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|                                 lapack_complex_double* alpha,
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|                                 lapack_complex_double* beta,
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|                                 lapack_complex_double* vsl, lapack_int ldvsl,
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|                                 lapack_complex_double* vsr, lapack_int ldvsr,
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|                                 double* rconde, double* rcondv,
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|                                 lapack_complex_double* work, lapack_int lwork,
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|                                 double* rwork, lapack_int* iwork,
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|                                 lapack_int liwork, lapack_logical* bwork )
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| {
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|     lapack_int info = 0;
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|     if( matrix_order == LAPACK_COL_MAJOR ) {
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|         /* Call LAPACK function and adjust info */
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|         LAPACK_zggesx( &jobvsl, &jobvsr, &sort, selctg, &sense, &n, a, &lda, b,
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|                        &ldb, sdim, alpha, beta, vsl, &ldvsl, vsr, &ldvsr,
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|                        rconde, rcondv, work, &lwork, rwork, iwork, &liwork,
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|                        bwork, &info );
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|         if( info < 0 ) {
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|             info = info - 1;
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|         }
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|     } else if( matrix_order == LAPACK_ROW_MAJOR ) {
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|         lapack_int lda_t = MAX(1,n);
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|         lapack_int ldb_t = MAX(1,n);
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|         lapack_int ldvsl_t = MAX(1,n);
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|         lapack_int ldvsr_t = MAX(1,n);
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|         lapack_complex_double* a_t = NULL;
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|         lapack_complex_double* b_t = NULL;
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|         lapack_complex_double* vsl_t = NULL;
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|         lapack_complex_double* vsr_t = NULL;
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|         /* Check leading dimension(s) */
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|         if( lda < n ) {
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|             info = -9;
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|             LAPACKE_xerbla( "LAPACKE_zggesx_work", info );
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|             return info;
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|         }
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|         if( ldb < n ) {
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|             info = -11;
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|             LAPACKE_xerbla( "LAPACKE_zggesx_work", info );
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|             return info;
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|         }
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|         if( ldvsl < n ) {
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|             info = -16;
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|             LAPACKE_xerbla( "LAPACKE_zggesx_work", info );
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|             return info;
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|         }
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|         if( ldvsr < n ) {
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|             info = -18;
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|             LAPACKE_xerbla( "LAPACKE_zggesx_work", info );
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|             return info;
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|         }
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|         /* Query optimal working array(s) size if requested */
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|         if( liwork == -1 || lwork == -1 ) {
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|             LAPACK_zggesx( &jobvsl, &jobvsr, &sort, selctg, &sense, &n, a,
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|                            &lda_t, b, &ldb_t, sdim, alpha, beta, vsl, &ldvsl_t,
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|                            vsr, &ldvsr_t, rconde, rcondv, work, &lwork, rwork,
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|                            iwork, &liwork, bwork, &info );
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|             return (info < 0) ? (info - 1) : info;
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|         }
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|         /* Allocate memory for temporary array(s) */
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|         a_t = (lapack_complex_double*)
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|             LAPACKE_malloc( sizeof(lapack_complex_double) * lda_t * MAX(1,n) );
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|         if( a_t == NULL ) {
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|             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
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|             goto exit_level_0;
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|         }
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|         b_t = (lapack_complex_double*)
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|             LAPACKE_malloc( sizeof(lapack_complex_double) * ldb_t * MAX(1,n) );
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|         if( b_t == NULL ) {
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|             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
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|             goto exit_level_1;
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|         }
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|         if( LAPACKE_lsame( jobvsl, 'v' ) ) {
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|             vsl_t = (lapack_complex_double*)
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|                 LAPACKE_malloc( sizeof(lapack_complex_double) *
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|                                 ldvsl_t * MAX(1,n) );
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|             if( vsl_t == NULL ) {
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|                 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
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|                 goto exit_level_2;
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|             }
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|         }
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|         if( LAPACKE_lsame( jobvsr, 'v' ) ) {
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|             vsr_t = (lapack_complex_double*)
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|                 LAPACKE_malloc( sizeof(lapack_complex_double) *
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|                                 ldvsr_t * MAX(1,n) );
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|             if( vsr_t == NULL ) {
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|                 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
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|                 goto exit_level_3;
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|             }
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|         }
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|         /* Transpose input matrices */
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|         LAPACKE_zge_trans( matrix_order, n, n, a, lda, a_t, lda_t );
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|         LAPACKE_zge_trans( matrix_order, n, n, b, ldb, b_t, ldb_t );
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|         /* Call LAPACK function and adjust info */
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|         LAPACK_zggesx( &jobvsl, &jobvsr, &sort, selctg, &sense, &n, a_t, &lda_t,
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|                        b_t, &ldb_t, sdim, alpha, beta, vsl_t, &ldvsl_t, vsr_t,
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|                        &ldvsr_t, rconde, rcondv, work, &lwork, rwork, iwork,
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|                        &liwork, bwork, &info );
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|         if( info < 0 ) {
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|             info = info - 1;
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|         }
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|         /* Transpose output matrices */
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|         LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, n, a_t, lda_t, a, lda );
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|         LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, n, b_t, ldb_t, b, ldb );
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|         if( LAPACKE_lsame( jobvsl, 'v' ) ) {
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|             LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, n, vsl_t, ldvsl_t, vsl,
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|                                ldvsl );
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|         }
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|         if( LAPACKE_lsame( jobvsr, 'v' ) ) {
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|             LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, n, vsr_t, ldvsr_t, vsr,
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|                                ldvsr );
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|         }
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|         /* Release memory and exit */
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|         if( LAPACKE_lsame( jobvsr, 'v' ) ) {
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|             LAPACKE_free( vsr_t );
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|         }
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| exit_level_3:
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|         if( LAPACKE_lsame( jobvsl, 'v' ) ) {
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|             LAPACKE_free( vsl_t );
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|         }
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| exit_level_2:
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|         LAPACKE_free( b_t );
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| exit_level_1:
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|         LAPACKE_free( a_t );
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| exit_level_0:
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|         if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
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|             LAPACKE_xerbla( "LAPACKE_zggesx_work", info );
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|         }
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|     } else {
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|         info = -1;
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|         LAPACKE_xerbla( "LAPACKE_zggesx_work", info );
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|     }
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|     return info;
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| }
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