lapacke_zspsv_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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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
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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 zspsv
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_zspsv_work( int matrix_order, char uplo, lapack_int n,
00038                                lapack_int nrhs, lapack_complex_double* ap,
00039                                lapack_int* ipiv, lapack_complex_double* b,
00040                                lapack_int ldb )
00041 {
00042     lapack_int info = 0;
00043     if( matrix_order == LAPACK_COL_MAJOR ) {
00044         /* Call LAPACK function and adjust info */
00045         LAPACK_zspsv( &uplo, &n, &nrhs, ap, ipiv, b, &ldb, &info );
00046         if( info < 0 ) {
00047             info = info - 1;
00048         }
00049     } else if( matrix_order == LAPACK_ROW_MAJOR ) {
00050         lapack_int ldb_t = MAX(1,n);
00051         lapack_complex_double* b_t = NULL;
00052         lapack_complex_double* ap_t = NULL;
00053         /* Check leading dimension(s) */
00054         if( ldb < nrhs ) {
00055             info = -8;
00056             LAPACKE_xerbla( "LAPACKE_zspsv_work", info );
00057             return info;
00058         }
00059         /* Allocate memory for temporary array(s) */
00060         b_t = (lapack_complex_double*)
00061             LAPACKE_malloc( sizeof(lapack_complex_double) *
00062                             ldb_t * MAX(1,nrhs) );
00063         if( b_t == NULL ) {
00064             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00065             goto exit_level_0;
00066         }
00067         ap_t = (lapack_complex_double*)
00068             LAPACKE_malloc( sizeof(lapack_complex_double) *
00069                             ( MAX(1,n) * MAX(2,n+1) ) / 2 );
00070         if( ap_t == NULL ) {
00071             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00072             goto exit_level_1;
00073         }
00074         /* Transpose input matrices */
00075         LAPACKE_zge_trans( matrix_order, n, nrhs, b, ldb, b_t, ldb_t );
00076         LAPACKE_zsp_trans( matrix_order, uplo, n, ap, ap_t );
00077         /* Call LAPACK function and adjust info */
00078         LAPACK_zspsv( &uplo, &n, &nrhs, ap_t, ipiv, b_t, &ldb_t, &info );
00079         if( info < 0 ) {
00080             info = info - 1;
00081         }
00082         /* Transpose output matrices */
00083         LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
00084         LAPACKE_zsp_trans( LAPACK_COL_MAJOR, uplo, n, ap_t, ap );
00085         /* Release memory and exit */
00086         LAPACKE_free( ap_t );
00087 exit_level_1:
00088         LAPACKE_free( b_t );
00089 exit_level_0:
00090         if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
00091             LAPACKE_xerbla( "LAPACKE_zspsv_work", info );
00092         }
00093     } else {
00094         info = -1;
00095         LAPACKE_xerbla( "LAPACKE_zspsv_work", info );
00096     }
00097     return info;
00098 }


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autogenerated on Sat Jun 8 2019 18:55:55