lapacke_dspsv_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 
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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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00028 ******************************************************************************
00029 * Contents: Native middle-level C interface to LAPACK function dspsv
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_dspsv_work( int matrix_order, char uplo, lapack_int n,
00038                                lapack_int nrhs, double* ap, lapack_int* ipiv,
00039                                double* b, lapack_int ldb )
00040 {
00041     lapack_int info = 0;
00042     if( matrix_order == LAPACK_COL_MAJOR ) {
00043         /* Call LAPACK function and adjust info */
00044         LAPACK_dspsv( &uplo, &n, &nrhs, ap, ipiv, b, &ldb, &info );
00045         if( info < 0 ) {
00046             info = info - 1;
00047         }
00048     } else if( matrix_order == LAPACK_ROW_MAJOR ) {
00049         lapack_int ldb_t = MAX(1,n);
00050         double* b_t = NULL;
00051         double* ap_t = NULL;
00052         /* Check leading dimension(s) */
00053         if( ldb < nrhs ) {
00054             info = -8;
00055             LAPACKE_xerbla( "LAPACKE_dspsv_work", info );
00056             return info;
00057         }
00058         /* Allocate memory for temporary array(s) */
00059         b_t = (double*)LAPACKE_malloc( sizeof(double) * ldb_t * MAX(1,nrhs) );
00060         if( b_t == NULL ) {
00061             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00062             goto exit_level_0;
00063         }
00064         ap_t = (double*)
00065             LAPACKE_malloc( sizeof(double) * ( MAX(1,n) * MAX(2,n+1) ) / 2 );
00066         if( ap_t == NULL ) {
00067             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00068             goto exit_level_1;
00069         }
00070         /* Transpose input matrices */
00071         LAPACKE_dge_trans( matrix_order, n, nrhs, b, ldb, b_t, ldb_t );
00072         LAPACKE_dsp_trans( matrix_order, uplo, n, ap, ap_t );
00073         /* Call LAPACK function and adjust info */
00074         LAPACK_dspsv( &uplo, &n, &nrhs, ap_t, ipiv, b_t, &ldb_t, &info );
00075         if( info < 0 ) {
00076             info = info - 1;
00077         }
00078         /* Transpose output matrices */
00079         LAPACKE_dge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
00080         LAPACKE_dsp_trans( LAPACK_COL_MAJOR, uplo, n, ap_t, ap );
00081         /* Release memory and exit */
00082         LAPACKE_free( ap_t );
00083 exit_level_1:
00084         LAPACKE_free( b_t );
00085 exit_level_0:
00086         if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
00087             LAPACKE_xerbla( "LAPACKE_dspsv_work", info );
00088         }
00089     } else {
00090         info = -1;
00091         LAPACKE_xerbla( "LAPACKE_dspsv_work", info );
00092     }
00093     return info;
00094 }


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autogenerated on Sat Jun 8 2019 18:55:53