lapacke_zppsvx_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"
00018   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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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 zppsvx
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_zppsvx_work( int matrix_order, char fact, char uplo,
00038                                 lapack_int n, lapack_int nrhs,
00039                                 lapack_complex_double* ap,
00040                                 lapack_complex_double* afp, char* equed,
00041                                 double* s, lapack_complex_double* b,
00042                                 lapack_int ldb, lapack_complex_double* x,
00043                                 lapack_int ldx, double* rcond, double* ferr,
00044                                 double* berr, lapack_complex_double* work,
00045                                 double* rwork )
00046 {
00047     lapack_int info = 0;
00048     if( matrix_order == LAPACK_COL_MAJOR ) {
00049         /* Call LAPACK function and adjust info */
00050         LAPACK_zppsvx( &fact, &uplo, &n, &nrhs, ap, afp, equed, s, b, &ldb, x,
00051                        &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 ldb_t = MAX(1,n);
00057         lapack_int ldx_t = MAX(1,n);
00058         lapack_complex_double* b_t = NULL;
00059         lapack_complex_double* x_t = NULL;
00060         lapack_complex_double* ap_t = NULL;
00061         lapack_complex_double* afp_t = NULL;
00062         /* Check leading dimension(s) */
00063         if( ldb < nrhs ) {
00064             info = -11;
00065             LAPACKE_xerbla( "LAPACKE_zppsvx_work", info );
00066             return info;
00067         }
00068         if( ldx < nrhs ) {
00069             info = -13;
00070             LAPACKE_xerbla( "LAPACKE_zppsvx_work", info );
00071             return info;
00072         }
00073         /* Allocate memory for temporary array(s) */
00074         b_t = (lapack_complex_double*)
00075             LAPACKE_malloc( sizeof(lapack_complex_double) *
00076                             ldb_t * MAX(1,nrhs) );
00077         if( b_t == NULL ) {
00078             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00079             goto exit_level_0;
00080         }
00081         x_t = (lapack_complex_double*)
00082             LAPACKE_malloc( sizeof(lapack_complex_double) *
00083                             ldx_t * MAX(1,nrhs) );
00084         if( x_t == NULL ) {
00085             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00086             goto exit_level_1;
00087         }
00088         ap_t = (lapack_complex_double*)
00089             LAPACKE_malloc( sizeof(lapack_complex_double) *
00090                             ( MAX(1,n) * MAX(2,n+1) ) / 2 );
00091         if( ap_t == NULL ) {
00092             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00093             goto exit_level_2;
00094         }
00095         afp_t = (lapack_complex_double*)
00096             LAPACKE_malloc( sizeof(lapack_complex_double) *
00097                             ( MAX(1,n) * MAX(2,n+1) ) / 2 );
00098         if( afp_t == NULL ) {
00099             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00100             goto exit_level_3;
00101         }
00102         /* Transpose input matrices */
00103         LAPACKE_zge_trans( matrix_order, n, nrhs, b, ldb, b_t, ldb_t );
00104         LAPACKE_zpp_trans( matrix_order, uplo, n, ap, ap_t );
00105         if( LAPACKE_lsame( fact, 'f' ) ) {
00106             LAPACKE_zpp_trans( matrix_order, uplo, n, afp, afp_t );
00107         }
00108         /* Call LAPACK function and adjust info */
00109         LAPACK_zppsvx( &fact, &uplo, &n, &nrhs, ap_t, afp_t, equed, s, b_t,
00110                        &ldb_t, x_t, &ldx_t, rcond, ferr, berr, work, rwork,
00111                        &info );
00112         if( info < 0 ) {
00113             info = info - 1;
00114         }
00115         /* Transpose output matrices */
00116         LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
00117         LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
00118         if( LAPACKE_lsame( fact, 'e' ) && LAPACKE_lsame( *equed, 'y' ) ) {
00119             LAPACKE_zpp_trans( LAPACK_COL_MAJOR, uplo, n, ap_t, ap );
00120         }
00121         if( LAPACKE_lsame( fact, 'e' ) || LAPACKE_lsame( fact, 'n' ) ) {
00122             LAPACKE_zpp_trans( LAPACK_COL_MAJOR, uplo, n, afp_t, afp );
00123         }
00124         /* Release memory and exit */
00125         LAPACKE_free( afp_t );
00126 exit_level_3:
00127         LAPACKE_free( ap_t );
00128 exit_level_2:
00129         LAPACKE_free( x_t );
00130 exit_level_1:
00131         LAPACKE_free( b_t );
00132 exit_level_0:
00133         if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
00134             LAPACKE_xerbla( "LAPACKE_zppsvx_work", info );
00135         }
00136     } else {
00137         info = -1;
00138         LAPACKE_xerbla( "LAPACKE_zppsvx_work", info );
00139     }
00140     return info;
00141 }


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autogenerated on Sat Jun 8 2019 18:55:55