|
| 1 | +/***************************************************************************** |
| 2 | + Copyright (c) 2014, Intel Corp. |
| 3 | + All rights reserved. |
| 4 | +
|
| 5 | + Redistribution and use in source and binary forms, with or without |
| 6 | + modification, are permitted provided that the following conditions are met: |
| 7 | +
|
| 8 | + * Redistributions of source code must retain the above copyright notice, |
| 9 | + this list of conditions and the following disclaimer. |
| 10 | + * Redistributions in binary form must reproduce the above copyright |
| 11 | + notice, this list of conditions and the following disclaimer in the |
| 12 | + documentation and/or other materials provided with the distribution. |
| 13 | + * Neither the name of Intel Corporation nor the names of its contributors |
| 14 | + may be used to endorse or promote products derived from this software |
| 15 | + without specific prior written permission. |
| 16 | +
|
| 17 | + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 18 | + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 19 | + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 20 | + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| 21 | + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 22 | + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 23 | + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 24 | + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 25 | + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 26 | + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| 27 | + THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | +***************************************************************************** |
| 29 | +* Contents: Native high-level C interface to LAPACK function chesv_aa_2stage |
| 30 | +* Author: Intel Corporation |
| 31 | +* Generated December 2016 |
| 32 | +*****************************************************************************/ |
| 33 | + |
| 34 | +#include "lapacke_utils.h" |
| 35 | + |
| 36 | +lapack_int LAPACKE_chesv_aa_2stage( int matrix_layout, char uplo, lapack_int n, |
| 37 | + lapack_int nrhs, lapack_complex_float* a, |
| 38 | + lapack_int lda, lapack_complex_float* tb, |
| 39 | + lapack_int ltb, lapack_int* ipiv, lapack_int* ipiv2, |
| 40 | + lapack_complex_float* b, lapack_int ldb ) |
| 41 | +{ |
| 42 | + lapack_int info = 0; |
| 43 | + lapack_int lwork = -1; |
| 44 | + lapack_complex_float* work = NULL; |
| 45 | + lapack_complex_float work_query; |
| 46 | + if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) { |
| 47 | + LAPACKE_xerbla( "LAPACKE_chesv_aa_2stage", -1 ); |
| 48 | + return -1; |
| 49 | + } |
| 50 | +#ifndef LAPACK_DISABLE_NAN_CHECK |
| 51 | + if( LAPACKE_get_nancheck() ) { |
| 52 | + /* Optionally check input matrices for NaNs */ |
| 53 | + if( LAPACKE_che_nancheck( matrix_layout, uplo, n, a, lda ) ) { |
| 54 | + return -5; |
| 55 | + } |
| 56 | + if( LAPACKE_cge_nancheck( matrix_layout, 4*n, 1, tb, ltb ) ) { |
| 57 | + return -7; |
| 58 | + } |
| 59 | + if( LAPACKE_cge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) { |
| 60 | + return -11; |
| 61 | + } |
| 62 | + } |
| 63 | +#endif |
| 64 | + /* Query optimal working array(s) size */ |
| 65 | + info = LAPACKE_chesv_aa_2stage_work( matrix_layout, uplo, n, nrhs, |
| 66 | + a, lda, tb, ltb, ipiv, ipiv2, b, |
| 67 | + ldb, &work_query, lwork ); |
| 68 | + if( info != 0 ) { |
| 69 | + goto exit_level_0; |
| 70 | + } |
| 71 | + lwork = LAPACK_C2INT( work_query ); |
| 72 | + /* Allocate memory for work arrays */ |
| 73 | + work = (lapack_complex_float*) |
| 74 | + LAPACKE_malloc( sizeof(lapack_complex_float) * lwork ); |
| 75 | + if( work == NULL ) { |
| 76 | + info = LAPACK_WORK_MEMORY_ERROR; |
| 77 | + goto exit_level_0; |
| 78 | + } |
| 79 | + /* Call middle-level interface */ |
| 80 | + info = LAPACKE_chesv_aa_2stage_work( matrix_layout, uplo, n, nrhs, |
| 81 | + a, lda, tb, ltb, ipiv, ipiv2, b, |
| 82 | + ldb, work, lwork ); |
| 83 | + /* Release memory and exit */ |
| 84 | + LAPACKE_free( work ); |
| 85 | +exit_level_0: |
| 86 | + if( info == LAPACK_WORK_MEMORY_ERROR ) { |
| 87 | + LAPACKE_xerbla( "LAPACKE_chesv_aa_2stage", info ); |
| 88 | + } |
| 89 | + return info; |
| 90 | +} |
0 commit comments