Attention une mise à jour du serveur va être effectuée le lundi 17 mai entre 13h et 13h30. Cette mise à jour va générer une interruption du service de quelques minutes.

zlauum.c 9.25 KB
Newer Older
1 2
/**
 *
3 4
 * @copyright (c) 2009-2014 The University of Tennessee and The University
 *                          of Tennessee Research Foundation.
5 6
 *                          All rights reserved.
 * @copyright (c) 2012-2014 Inria. All rights reserved.
7
 * @copyright (c) 2012-2014 Bordeaux INP, CNRS (LaBRI UMR 5800), Inria, Univ. Bordeaux. All rights reserved.
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
 *
 **/

/**
 *
 * @file zlauum.c
 *
 *  MORSE computational routines
 *  MORSE is a software package provided by Univ. of Tennessee,
 *  Univ. of California Berkeley and Univ. of Colorado Denver
 *
 * @version 2.5.0
 * @comment This file has been automatically generated
 *          from Plasma 2.5.0 for MORSE 1.0.0
 * @author Mathieu Faverge
 * @author Emmanuel Agullo
 * @author Cedric Castagnede
 * @date 2010-11-15
 * @precisions normal z -> s d c
 *
 **/
29
#include "control/common.h"
30

31 32
/**
 ********************************************************************************
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
 *
 * @ingroup MORSE_Complex64_t
 *
 *  MORSE_zlauum - Computes the product U * U' or L' * L, where the triangular
 *  factor U or L is stored in the upper or lower triangular part of
 *  the array A.
 *
 *  If UPLO = 'U' or 'u' then the upper triangle of the result is stored,
 *  overwriting the factor U in A.
 *  If UPLO = 'L' or 'l' then the lower triangle of the result is stored,
 *  overwriting the factor L in A.
 *
 *******************************************************************************
 *
 * @param[in] uplo
 *          = MorseUpper: Upper triangle of A is stored;
 *          = MorseLower: Lower triangle of A is stored.
 *
 * @param[in] N
 *          The order of the triangular factor U or L.  N >= 0.
 *
 * @param[in,out] A
 *          On entry, the triangular factor U or L.
 *          On exit, if UPLO = 'U', the upper triangle of A is
 *          overwritten with the upper triangle of the product U * U';
 *          if UPLO = 'L', the lower triangle of A is overwritten with
 *          the lower triangle of the product L' * L.
 *
 * @param[in] LDA
 *          The leading dimension of the array A. LDA >= max(1,N).
 *
 *******************************************************************************
 *
 * @return
 *          \retval MORSE_SUCCESS successful exit
 *          \retval <0 if -i, the i-th argument had an illegal value
 *
 *******************************************************************************
 *
 * @sa MORSE_zlauum_Tile
 * @sa MORSE_zlauum_Tile_Async
 * @sa MORSE_clauum
 * @sa MORSE_dlauum
 * @sa MORSE_slauum
 * @sa MORSE_zpotri
 *
 ******************************************************************************/
int MORSE_zlauum(MORSE_enum uplo, int N,
81
                 MORSE_Complex64_t *A, int LDA)
82 83 84 85 86 87 88
{
    int NB;
    int status;
    MORSE_context_t *morse;
    MORSE_sequence_t *sequence = NULL;
    MORSE_request_t request = MORSE_REQUEST_INITIALIZER;
    MORSE_desc_t descA;
89

90 91 92 93 94 95 96 97 98 99 100 101 102 103
    morse = morse_context_self();
    if (morse == NULL) {
        morse_fatal_error("MORSE_zlauum", "MORSE not initialized");
        return MORSE_ERR_NOT_INITIALIZED;
    }
    /* Check input arguments */
    if (uplo != MorseUpper && uplo != MorseLower) {
        morse_error("MORSE_zlauum", "illegal value of uplo");
        return -1;
    }
    if (N < 0) {
        morse_error("MORSE_zlauum", "illegal value of N");
        return -2;
    }
104
    if (LDA < chameleon_max(1, N)) {
105 106 107 108
        morse_error("MORSE_zlauum", "illegal value of LDA");
        return -4;
    }
    /* Quick return */
109
    if (chameleon_max(N, 0) == 0)
110 111 112 113 114 115 116 117 118 119 120 121 122 123
        return MORSE_SUCCESS;

    /* Tune NB depending on M, N & NRHS; Set NBNB */
    status = morse_tune(MORSE_FUNC_ZPOSV, N, N, 0);
    if (status != MORSE_SUCCESS) {
        morse_error("MORSE_zlauum", "morse_tune() failed");
        return status;
    }

    /* Set NT */
    NB   = MORSE_NB;

    morse_sequence_create(morse, &sequence);

124
    /* Submit the matrix conversion */
125 126
    morse_zlap2tile( morse, &descAl, &descAt, MorseUpperLower,
                     A, NB, NB, LDA, N, N, N, sequence, &request );
127 128 129 130

    /* Call the tile interface */
    MORSE_zlauum_Tile_Async(uplo, &descA, sequence, &request);

131
    /* Submit the matrix conversion */
Mathieu Faverge's avatar
Mathieu Faverge committed
132 133 134
    morse_ztile2lap( morse, &descAl, &descAt,
                     MorseUpperLower, sequence, &request );

135
    morse_sequence_wait(morse, sequence);
Mathieu Faverge's avatar
Mathieu Faverge committed
136

Mathieu Faverge's avatar
Mathieu Faverge committed
137 138
    /* Cleanup the temporary data */
    morse_ztile2lap_cleanup( morse, &descAl, &descAt );
139 140 141 142 143 144

    status = sequence->status;
    morse_sequence_destroy(morse, sequence);
    return status;
}

145 146
/**
 ********************************************************************************
147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199
 *
 * @ingroup MORSE_Complex64_t_Tile
 *
 *  MORSE_zlauum_Tile - Computes the product U * U' or L' * L, where
 *  the triangular factor U or L is stored in the upper or lower
 *  triangular part of the array A.
 *  Tile equivalent of MORSE_zlauum().
 *  Operates on matrices stored by tiles.
 *  All matrices are passed through descriptors.
 *  All dimensions are taken from the descriptors.
 *
 *******************************************************************************
 *
 * @param[in] uplo
 *          = MorseUpper: Upper triangle of A is stored;
 *          = MorseLower: Lower triangle of A is stored.
 *
 * @param[in] A
 *          On entry, the triangular factor U or L.
 *          On exit, if UPLO = 'U', the upper triangle of A is
 *          overwritten with the upper triangle of the product U * U';
 *          if UPLO = 'L', the lower triangle of A is overwritten with
 *          the lower triangle of the product L' * L.
 *
 *******************************************************************************
 *
 * @return
 *          \retval MORSE_SUCCESS successful exit
 *
 *******************************************************************************
 *
 * @sa MORSE_zlauum
 * @sa MORSE_zlauum_Tile_Async
 * @sa MORSE_clauum_Tile
 * @sa MORSE_dlauum_Tile
 * @sa MORSE_slauum_Tile
 * @sa MORSE_zpotri_Tile
 *
 ******************************************************************************/
int MORSE_zlauum_Tile(MORSE_enum uplo, MORSE_desc_t *A)
{
    MORSE_context_t *morse;
    MORSE_sequence_t *sequence = NULL;
    MORSE_request_t request = MORSE_REQUEST_INITIALIZER;
    int status;

    morse = morse_context_self();
    if (morse == NULL) {
        morse_fatal_error("MORSE_zlauum_Tile", "MORSE not initialized");
        return MORSE_ERR_NOT_INITIALIZED;
    }
    morse_sequence_create(morse, &sequence);
    MORSE_zlauum_Tile_Async(uplo, A, sequence, &request);
200
    RUNTIME_desc_flush( A, sequence );
Mathieu Faverge's avatar
Mathieu Faverge committed
201

Mathieu Faverge's avatar
Mathieu Faverge committed
202
    morse_sequence_wait(morse, sequence);
203

204 205 206 207 208
    status = sequence->status;
    morse_sequence_destroy(morse, sequence);
    return status;
}

209 210
/**
 ********************************************************************************
211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240
 *
 * @ingroup MORSE_Complex64_t_Tile_Async
 *
 *  MORSE_zlauum_Tile_Async - Computes the product U * U' or L' * L, where the
 *  triangular factor U or L is stored in the upper or lower triangular part of
 *  the array A.
 *  Non-blocking equivalent of MORSE_zlauum_Tile().
 *  May return before the computation is finished.
 *  Allows for pipelining of operations at runtime.
 *
 *******************************************************************************
 *
 * @param[in] sequence
 *          Identifies the sequence of function calls that this call belongs to
 *          (for completion checks and exception handling purposes).
 *
 * @param[out] request
 *          Identifies this function call (for exception handling purposes).
 *
 *******************************************************************************
 *
 * @sa MORSE_zlauum
 * @sa MORSE_zlauum_Tile
 * @sa MORSE_clauum_Tile_Async
 * @sa MORSE_dlauum_Tile_Async
 * @sa MORSE_slauum_Tile_Async
 * @sa MORSE_zpotri_Tile_Async
 *
 ******************************************************************************/
int MORSE_zlauum_Tile_Async(MORSE_enum uplo, MORSE_desc_t *A,
241
                            MORSE_sequence_t *sequence, MORSE_request_t *request)
242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278
{
    MORSE_context_t *morse;

    morse = morse_context_self();
    if (morse == NULL) {
        morse_fatal_error("MORSE_zlauum_Tile", "MORSE not initialized");
        return MORSE_ERR_NOT_INITIALIZED;
    }
    if (sequence == NULL) {
        morse_fatal_error("MORSE_zlauum_Tile", "NULL sequence");
        return MORSE_ERR_UNALLOCATED;
    }
    if (request == NULL) {
        morse_fatal_error("MORSE_zlauum_Tile", "NULL request");
        return MORSE_ERR_UNALLOCATED;
    }
    /* Check sequence status */
    if (sequence->status == MORSE_SUCCESS)
        request->status = MORSE_SUCCESS;
    else
        return morse_request_fail(sequence, request, MORSE_ERR_SEQUENCE_FLUSHED);

    /* Check descriptors for correctness */
    if (morse_desc_check(A) != MORSE_SUCCESS) {
        morse_error("MORSE_zlauum_Tile", "invalid descriptor");
        return morse_request_fail(sequence, request, MORSE_ERR_ILLEGAL_VALUE);
    }
    /* Check input arguments */
    if (A->nb != A->mb) {
        morse_error("MORSE_zlauum_Tile", "only square tiles supported");
        return morse_request_fail(sequence, request, MORSE_ERR_ILLEGAL_VALUE);
    }
    if (uplo != MorseUpper && uplo != MorseLower) {
        morse_error("MORSE_zlauum_Tile", "illegal value of uplo");
        return morse_request_fail(sequence, request, -1);
    }
    /* Quick return */
279 280 281 282
    /*
     if (chameleon_max(N, 0) == 0)
     return MORSE_SUCCESS;
     */
283 284 285 286
    morse_pzlauum(uplo, A, sequence, request);

    return MORSE_SUCCESS;
}