lapacke_spttrs_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
00019   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 spttrs
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_spttrs_work( int matrix_order, lapack_int n, lapack_int nrhs,
00038                                 const float* d, const float* e, float* b,
00039                                 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_spttrs( &n, &nrhs, d, e, 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         float* b_t = NULL;
00051         /* Check leading dimension(s) */
00052         if( ldb < nrhs ) {
00053             info = -7;
00054             LAPACKE_xerbla( "LAPACKE_spttrs_work", info );
00055             return info;
00056         }
00057         /* Allocate memory for temporary array(s) */
00058         b_t = (float*)LAPACKE_malloc( sizeof(float) * ldb_t * MAX(1,nrhs) );
00059         if( b_t == NULL ) {
00060             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00061             goto exit_level_0;
00062         }
00063         /* Transpose input matrices */
00064         LAPACKE_sge_trans( matrix_order, n, nrhs, b, ldb, b_t, ldb_t );
00065         /* Call LAPACK function and adjust info */
00066         LAPACK_spttrs( &n, &nrhs, d, e, b_t, &ldb_t, &info );
00067         if( info < 0 ) {
00068             info = info - 1;
00069         }
00070         /* Transpose output matrices */
00071         LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
00072         /* Release memory and exit */
00073         LAPACKE_free( b_t );
00074 exit_level_0:
00075         if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
00076             LAPACKE_xerbla( "LAPACKE_spttrs_work", info );
00077         }
00078     } else {
00079         info = -1;
00080         LAPACKE_xerbla( "LAPACKE_spttrs_work", info );
00081     }
00082     return info;
00083 }


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autogenerated on Sat Jun 8 2019 18:55:54