lapacke_zposvxx_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.
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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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00020   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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00028 ******************************************************************************
00029 * Contents: Native middle-level C interface to LAPACK function zposvxx
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_zposvxx_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* rpvgrw, double* berr,
00045                                  lapack_int n_err_bnds, double* err_bnds_norm,
00046                                  double* err_bnds_comp, lapack_int nparams,
00047                                  double* params, lapack_complex_double* work,
00048                                  double* rwork )
00049 {
00050     lapack_int info = 0;
00051     if( matrix_order == LAPACK_COL_MAJOR ) {
00052         /* Call LAPACK function and adjust info */
00053         LAPACK_zposvxx( &fact, &uplo, &n, &nrhs, a, &lda, af, &ldaf, equed, s,
00054                         b, &ldb, x, &ldx, rcond, rpvgrw, berr, &n_err_bnds,
00055                         err_bnds_norm, err_bnds_comp, &nparams, params, work,
00056                         rwork, &info );
00057         if( info < 0 ) {
00058             info = info - 1;
00059         }
00060     } else if( matrix_order == LAPACK_ROW_MAJOR ) {
00061         lapack_int lda_t = MAX(1,n);
00062         lapack_int ldaf_t = MAX(1,n);
00063         lapack_int ldb_t = MAX(1,n);
00064         lapack_int ldx_t = MAX(1,n);
00065         lapack_complex_double* a_t = NULL;
00066         lapack_complex_double* af_t = NULL;
00067         lapack_complex_double* b_t = NULL;
00068         lapack_complex_double* x_t = NULL;
00069         double* err_bnds_norm_t = NULL;
00070         double* err_bnds_comp_t = NULL;
00071         /* Check leading dimension(s) */
00072         if( lda < n ) {
00073             info = -7;
00074             LAPACKE_xerbla( "LAPACKE_zposvxx_work", info );
00075             return info;
00076         }
00077         if( ldaf < n ) {
00078             info = -9;
00079             LAPACKE_xerbla( "LAPACKE_zposvxx_work", info );
00080             return info;
00081         }
00082         if( ldb < nrhs ) {
00083             info = -13;
00084             LAPACKE_xerbla( "LAPACKE_zposvxx_work", info );
00085             return info;
00086         }
00087         if( ldx < nrhs ) {
00088             info = -15;
00089             LAPACKE_xerbla( "LAPACKE_zposvxx_work", info );
00090             return info;
00091         }
00092         /* Allocate memory for temporary array(s) */
00093         a_t = (lapack_complex_double*)
00094             LAPACKE_malloc( sizeof(lapack_complex_double) * lda_t * MAX(1,n) );
00095         if( a_t == NULL ) {
00096             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00097             goto exit_level_0;
00098         }
00099         af_t = (lapack_complex_double*)
00100             LAPACKE_malloc( sizeof(lapack_complex_double) * ldaf_t * MAX(1,n) );
00101         if( af_t == NULL ) {
00102             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00103             goto exit_level_1;
00104         }
00105         b_t = (lapack_complex_double*)
00106             LAPACKE_malloc( sizeof(lapack_complex_double) *
00107                             ldb_t * MAX(1,nrhs) );
00108         if( b_t == NULL ) {
00109             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00110             goto exit_level_2;
00111         }
00112         x_t = (lapack_complex_double*)
00113             LAPACKE_malloc( sizeof(lapack_complex_double) *
00114                             ldx_t * MAX(1,nrhs) );
00115         if( x_t == NULL ) {
00116             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00117             goto exit_level_3;
00118         }
00119         err_bnds_norm_t = (double*)
00120             LAPACKE_malloc( sizeof(double) * nrhs * MAX(1,n_err_bnds) );
00121         if( err_bnds_norm_t == NULL ) {
00122             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00123             goto exit_level_4;
00124         }
00125         err_bnds_comp_t = (double*)
00126             LAPACKE_malloc( sizeof(double) * nrhs * MAX(1,n_err_bnds) );
00127         if( err_bnds_comp_t == NULL ) {
00128             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00129             goto exit_level_5;
00130         }
00131         /* Transpose input matrices */
00132         LAPACKE_zpo_trans( matrix_order, uplo, n, a, lda, a_t, lda_t );
00133         if( LAPACKE_lsame( fact, 'f' ) ) {
00134             LAPACKE_zpo_trans( matrix_order, uplo, n, af, ldaf, af_t, ldaf_t );
00135         }
00136         LAPACKE_zge_trans( matrix_order, n, nrhs, b, ldb, b_t, ldb_t );
00137         /* Call LAPACK function and adjust info */
00138         LAPACK_zposvxx( &fact, &uplo, &n, &nrhs, a_t, &lda_t, af_t, &ldaf_t,
00139                         equed, s, b_t, &ldb_t, x_t, &ldx_t, rcond, rpvgrw, berr,
00140                         &n_err_bnds, err_bnds_norm_t, err_bnds_comp_t, &nparams,
00141                         params, work, rwork, &info );
00142         if( info < 0 ) {
00143             info = info - 1;
00144         }
00145         /* Transpose output matrices */
00146         if( LAPACKE_lsame( fact, 'e' ) && LAPACKE_lsame( *equed, 'y' ) ) {
00147             LAPACKE_zpo_trans( LAPACK_COL_MAJOR, uplo, n, a_t, lda_t, a, lda );
00148         }
00149         if( LAPACKE_lsame( fact, 'e' ) || LAPACKE_lsame( fact, 'n' ) ) {
00150             LAPACKE_zpo_trans( LAPACK_COL_MAJOR, uplo, n, af_t, ldaf_t, af,
00151                                ldaf );
00152         }
00153         LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
00154         LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
00155         LAPACKE_dge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t,
00156                            nrhs, err_bnds_norm, nrhs );
00157         LAPACKE_dge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
00158                            nrhs, err_bnds_comp, nrhs );
00159         /* Release memory and exit */
00160         LAPACKE_free( err_bnds_comp_t );
00161 exit_level_5:
00162         LAPACKE_free( err_bnds_norm_t );
00163 exit_level_4:
00164         LAPACKE_free( x_t );
00165 exit_level_3:
00166         LAPACKE_free( b_t );
00167 exit_level_2:
00168         LAPACKE_free( af_t );
00169 exit_level_1:
00170         LAPACKE_free( a_t );
00171 exit_level_0:
00172         if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
00173             LAPACKE_xerbla( "LAPACKE_zposvxx_work", info );
00174         }
00175     } else {
00176         info = -1;
00177         LAPACKE_xerbla( "LAPACKE_zposvxx_work", info );
00178     }
00179     return info;
00180 }


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