lapacke_zposvx_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
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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"
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00028 ******************************************************************************
00029 * Contents: Native middle-level C interface to LAPACK function zposvx
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_zposvx_work( int matrix_order, char fact, char uplo,
00038                                 lapack_int n, lapack_int nrhs,
00039                                 lapack_complex_double* a, lapack_int lda,
00040                                 lapack_complex_double* af, lapack_int ldaf,
00041                                 char* equed, double* s,
00042                                 lapack_complex_double* b, lapack_int ldb,
00043                                 lapack_complex_double* x, lapack_int ldx,
00044                                 double* rcond, double* ferr, double* berr,
00045                                 lapack_complex_double* work, double* rwork )
00046 {
00047     lapack_int info = 0;
00048     if( matrix_order == LAPACK_COL_MAJOR ) {
00049         /* Call LAPACK function and adjust info */
00050         LAPACK_zposvx( &fact, &uplo, &n, &nrhs, a, &lda, af, &ldaf, equed, s, b,
00051                        &ldb, x, &ldx, rcond, ferr, berr, work, rwork, &info );
00052         if( info < 0 ) {
00053             info = info - 1;
00054         }
00055     } else if( matrix_order == LAPACK_ROW_MAJOR ) {
00056         lapack_int lda_t = MAX(1,n);
00057         lapack_int ldaf_t = MAX(1,n);
00058         lapack_int ldb_t = MAX(1,n);
00059         lapack_int ldx_t = MAX(1,n);
00060         lapack_complex_double* a_t = NULL;
00061         lapack_complex_double* af_t = NULL;
00062         lapack_complex_double* b_t = NULL;
00063         lapack_complex_double* x_t = NULL;
00064         /* Check leading dimension(s) */
00065         if( lda < n ) {
00066             info = -7;
00067             LAPACKE_xerbla( "LAPACKE_zposvx_work", info );
00068             return info;
00069         }
00070         if( ldaf < n ) {
00071             info = -9;
00072             LAPACKE_xerbla( "LAPACKE_zposvx_work", info );
00073             return info;
00074         }
00075         if( ldb < nrhs ) {
00076             info = -13;
00077             LAPACKE_xerbla( "LAPACKE_zposvx_work", info );
00078             return info;
00079         }
00080         if( ldx < nrhs ) {
00081             info = -15;
00082             LAPACKE_xerbla( "LAPACKE_zposvx_work", info );
00083             return info;
00084         }
00085         /* Allocate memory for temporary array(s) */
00086         a_t = (lapack_complex_double*)
00087             LAPACKE_malloc( sizeof(lapack_complex_double) * lda_t * MAX(1,n) );
00088         if( a_t == NULL ) {
00089             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00090             goto exit_level_0;
00091         }
00092         af_t = (lapack_complex_double*)
00093             LAPACKE_malloc( sizeof(lapack_complex_double) * ldaf_t * MAX(1,n) );
00094         if( af_t == NULL ) {
00095             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00096             goto exit_level_1;
00097         }
00098         b_t = (lapack_complex_double*)
00099             LAPACKE_malloc( sizeof(lapack_complex_double) *
00100                             ldb_t * MAX(1,nrhs) );
00101         if( b_t == NULL ) {
00102             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00103             goto exit_level_2;
00104         }
00105         x_t = (lapack_complex_double*)
00106             LAPACKE_malloc( sizeof(lapack_complex_double) *
00107                             ldx_t * MAX(1,nrhs) );
00108         if( x_t == NULL ) {
00109             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00110             goto exit_level_3;
00111         }
00112         /* Transpose input matrices */
00113         LAPACKE_zpo_trans( matrix_order, uplo, n, a, lda, a_t, lda_t );
00114         if( LAPACKE_lsame( fact, 'f' ) ) {
00115             LAPACKE_zpo_trans( matrix_order, uplo, n, af, ldaf, af_t, ldaf_t );
00116         }
00117         LAPACKE_zge_trans( matrix_order, n, nrhs, b, ldb, b_t, ldb_t );
00118         /* Call LAPACK function and adjust info */
00119         LAPACK_zposvx( &fact, &uplo, &n, &nrhs, a_t, &lda_t, af_t, &ldaf_t,
00120                        equed, s, b_t, &ldb_t, x_t, &ldx_t, rcond, ferr, berr,
00121                        work, rwork, &info );
00122         if( info < 0 ) {
00123             info = info - 1;
00124         }
00125         /* Transpose output matrices */
00126         if( LAPACKE_lsame( fact, 'e' ) && LAPACKE_lsame( *equed, 'y' ) ) {
00127             LAPACKE_zpo_trans( LAPACK_COL_MAJOR, uplo, n, a_t, lda_t, a, lda );
00128         }
00129         if( LAPACKE_lsame( fact, 'e' ) || LAPACKE_lsame( fact, 'n' ) ) {
00130             LAPACKE_zpo_trans( LAPACK_COL_MAJOR, uplo, n, af_t, ldaf_t, af,
00131                                ldaf );
00132         }
00133         LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
00134         LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
00135         /* Release memory and exit */
00136         LAPACKE_free( x_t );
00137 exit_level_3:
00138         LAPACKE_free( b_t );
00139 exit_level_2:
00140         LAPACKE_free( af_t );
00141 exit_level_1:
00142         LAPACKE_free( a_t );
00143 exit_level_0:
00144         if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
00145             LAPACKE_xerbla( "LAPACKE_zposvx_work", info );
00146         }
00147     } else {
00148         info = -1;
00149         LAPACKE_xerbla( "LAPACKE_zposvx_work", info );
00150     }
00151     return info;
00152 }


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autogenerated on Sat Jun 8 2019 18:55:55