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Mathieu Faverge authoredMathieu Faverge authored
zlacpy.c 9.35 KiB
/**
*
* @file zlacpy.c
*
* @copyright 2009-2014 The University of Tennessee and The University of
* Tennessee Research Foundation. All rights reserved.
* @copyright 2012-2014 Bordeaux INP, CNRS (LaBRI UMR 5800), Inria,
* Univ. Bordeaux. All rights reserved.
*
***
*
* @brief Chameleon zlacpy wrappers
*
* @version 1.0.0
* @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
*
*/
#include "control/common.h"
/**
********************************************************************************
*
* @ingroup MORSE_Complex64_t
*
* MORSE_zlacpy copies all or part of a two-dimensional matrix A to another
* matrix B
*
*******************************************************************************
*
* @param[in] uplo
* Specifies the part of the matrix A to be copied to B.
* = MorseUpperLower: All the matrix A
* = MorseUpper: Upper triangular part
* = MorseLower: Lower triangular part
*
* @param[in] M
* The number of rows of the matrix A. M >= 0.
*
* @param[in] N
* The number of columns of the matrix A. N >= 0.
*
* @param[in] A
* The M-by-N matrix A. If uplo = MorseUpper, only the upper trapezium
* is accessed; if UPLO = MorseLower, only the lower trapezium is
* accessed.
*
* @param[in] LDA
* The leading dimension of the array A. LDA >= max(1,M).
*
* @param[out] B
* The M-by-N matrix B.
* On exit, B = A in the locations specified by UPLO.
*
* @param[in] LDB
* The leading dimension of the array B. LDB >= max(1,M).
*
*******************************************************************************
*
* @sa MORSE_zlacpy_Tile
* @sa MORSE_zlacpy_Tile_Async
* @sa MORSE_clacpy
* @sa MORSE_dlacpy
* @sa MORSE_slacpy
* */
int MORSE_zlacpy( MORSE_enum uplo, int M, int N,
MORSE_Complex64_t *A, int LDA,
MORSE_Complex64_t *B, int LDB )
{
int NB;
int status;
MORSE_context_t *morse;
MORSE_sequence_t *sequence = NULL;
MORSE_request_t request = MORSE_REQUEST_INITIALIZER;
MORSE_desc_t descAl, descAt;
MORSE_desc_t descBl, descBt;
morse = morse_context_self();
if (morse == NULL) {
morse_fatal_error("MORSE_zlacpy", "MORSE not initialized");
return MORSE_ERR_NOT_INITIALIZED;
}
/* Check input arguments */
if ( (uplo != MorseUpperLower) &&
(uplo != MorseUpper) &&
(uplo != MorseLower) ) {
morse_error("MORSE_zlacpy", "illegal value of uplo");
return -1;
}
if (M < 0) {
morse_error("MORSE_zlacpy", "illegal value of M");
return -2;
}
if (N < 0) {
morse_error("MORSE_zlacpy", "illegal value of N");
return -3;
}
if (LDA < chameleon_max(1, M)) {
morse_error("MORSE_zlacpy", "illegal value of LDA");
return -5;
}
if (LDB < chameleon_max(1, M)) {
morse_error("MORSE_zlacpy", "illegal value of LDB");
return -7;
}
/* Quick return */
if (chameleon_min(N, M) == 0)
return (double)0.0;
/* Tune NB depending on M, N & NRHS; Set NBNB */
status = morse_tune(MORSE_FUNC_ZGEMM, M, N, 0);
if (status != MORSE_SUCCESS) {
morse_error("MORSE_zlacpy", "morse_tune() failed");
return status;
}
/* Set NT */
NB = MORSE_NB;
morse_sequence_create( morse, &sequence );
/* Submit the matrix conversion */
morse_zlap2tile( morse, &descAl, &descAt, MorseDescInput, uplo,
A, NB, NB, LDA, N, M, N, sequence, &request );
morse_zlap2tile( morse, &descBl, &descBt, MorseDescInout, uplo,
B, NB, NB, LDB, N, M, N, sequence, &request );
/* Call the tile interface */
MORSE_zlacpy_Tile_Async( uplo, &descAt, &descBt, sequence, &request );
/* Submit the matrix conversion back */
morse_ztile2lap( morse, &descAl, &descAt,
MorseDescInput, uplo, sequence, &request ); morse_ztile2lap( morse, &descBl, &descBt,
MorseDescInout, uplo, sequence, &request );
morse_sequence_wait( morse, sequence );
/* Cleanup the temporary data */
morse_ztile2lap_cleanup( morse, &descAl, &descAt );
morse_ztile2lap_cleanup( morse, &descBl, &descBt );
morse_sequence_destroy( morse, sequence );
return MORSE_SUCCESS;
}
/**
********************************************************************************
*
* @ingroup MORSE_Complex64_t_Tile
*
* MORSE_zlacpy_Tile - Tile equivalent of MORSE_zlacpy().
* Operates on matrices stored by tiles.
* All matrices are passed through descriptors.
* All dimensions are taken from the descriptors.
*
*******************************************************************************
*
* @param[in] uplo
* Specifies the part of the matrix A to be copied to B.
* = MorseUpperLower: All the matrix A
* = MorseUpper: Upper triangular part
* = MorseLower: Lower triangular part
*
* @param[in] A
* The M-by-N matrix A. If uplo = MorseUpper, only the upper trapezium
* is accessed; if UPLO = MorseLower, only the lower trapezium is
* accessed.
*
* @param[out] B
* The M-by-N matrix B.
* On exit, B = A in the locations specified by UPLO.
*
*******************************************************************************
*
* @return
* \retval MORSE_SUCCESS successful exit
*
*******************************************************************************
*
* @sa MORSE_zlacpy
* @sa MORSE_zlacpy_Tile_Async
* @sa MORSE_clacpy_Tile
* @sa MORSE_dlacpy_Tile
* @sa MORSE_slacpy_Tile
*
*/
int MORSE_zlacpy_Tile( MORSE_enum uplo, MORSE_desc_t *A, MORSE_desc_t *B )
{
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_zlacpy_Tile", "MORSE not initialized");
return MORSE_ERR_NOT_INITIALIZED;
}
morse_sequence_create( morse, &sequence );
MORSE_zlacpy_Tile_Async( uplo, A, B, sequence, &request );
MORSE_Desc_Flush( A, sequence );
MORSE_Desc_Flush( B, sequence );
morse_sequence_wait( morse, sequence );
status = sequence->status;
morse_sequence_destroy( morse, sequence );
return status;
}
/**
********************************************************************************
*
* @ingroup MORSE_Complex64_t_Tile_Async
*
* MORSE_zlacpy_Tile_Async - Non-blocking equivalent of MORSE_zlacpy_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_zlacpy
* @sa MORSE_zlacpy_Tile
* @sa MORSE_clacpy_Tile_Async
* @sa MORSE_dlacpy_Tile_Async
* @sa MORSE_slacpy_Tile_Async
*
*/
int MORSE_zlacpy_Tile_Async( MORSE_enum uplo, MORSE_desc_t *A, MORSE_desc_t *B,
MORSE_sequence_t *sequence, MORSE_request_t *request )
{
MORSE_context_t *morse;
morse = morse_context_self();
if (morse == NULL) {
morse_fatal_error("MORSE_zlacpy_Tile_Async", "MORSE not initialized");
return MORSE_ERR_NOT_INITIALIZED;
}
if (sequence == NULL) {
morse_fatal_error("MORSE_zlacpy_Tile_Async", "NULL sequence");
return MORSE_ERR_UNALLOCATED;
}
if (request == NULL) {
morse_fatal_error("MORSE_zlacpy_Tile_Async", "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_zlacpy_Tile_Async", "invalid first descriptor");
return morse_request_fail(sequence, request, MORSE_ERR_ILLEGAL_VALUE);
}
if (morse_desc_check(B) != MORSE_SUCCESS) {
morse_error("MORSE_zlacpy_Tile_Async", "invalid second descriptor");
return morse_request_fail(sequence, request, MORSE_ERR_ILLEGAL_VALUE); }
/* Check input arguments */
if (A->nb != A->mb) {
morse_error("MORSE_zlacpy_Tile_Async", "only square tiles supported");
return morse_request_fail(sequence, request, MORSE_ERR_ILLEGAL_VALUE);
}
/* Check input arguments */
if ( (uplo != MorseUpperLower) &&
(uplo != MorseUpper) &&
(uplo != MorseLower) ) {
morse_error("MORSE_zlacpy_Tile_Async", "illegal value of uplo");
return -1;
}
/* Quick return */
if (chameleon_min(A->m, A->n) == 0) {
return MORSE_SUCCESS;
}
morse_pzlacpy( uplo, A, B, sequence, request );
return MORSE_SUCCESS;
}