lapack_int LAPACKE_dtptrs_work( int matrix_order, char uplo, char trans,
char diag, lapack_int n, lapack_int nrhs,
const double* ap, double* b, lapack_int ldb )
{
lapack_int info = 0;
if( matrix_order == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_dtptrs( &uplo, &trans, &diag, &n, &nrhs, ap, b, &ldb, &info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_order == LAPACK_ROW_MAJOR ) {
lapack_int ldb_t = MAX(1,n);
double* b_t = NULL;
double* ap_t = NULL;
/* Check leading dimension(s) */
if( ldb < nrhs ) {
info = -9;
LAPACKE_xerbla( "LAPACKE_dtptrs_work", info );
return info;
}
/* Allocate memory for temporary array(s) */
b_t = (double*)LAPACKE_malloc( sizeof(double) * ldb_t * MAX(1,nrhs) );
if( b_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_0;
}
ap_t = (double*)
LAPACKE_malloc( sizeof(double) * ( MAX(1,n) * MAX(2,n+1) ) / 2 );
if( ap_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_1;
}
/* Transpose input matrices */
LAPACKE_dge_trans( matrix_order, n, nrhs, b, ldb, b_t, ldb_t );
LAPACKE_dtp_trans( matrix_order, uplo, diag, n, ap, ap_t );
/* Call LAPACK function and adjust info */
LAPACK_dtptrs( &uplo, &trans, &diag, &n, &nrhs, ap_t, b_t, &ldb_t,
&info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
LAPACKE_dge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
/* Release memory and exit */
LAPACKE_free( ap_t );
exit_level_1:
LAPACKE_free( b_t );
exit_level_0:
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_dtptrs_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_dtptrs_work", info );
}
return info;
}
lapack_int LAPACKE_dtptri_work( int matrix_order, char uplo, char diag,
lapack_int n, double* ap )
{
lapack_int info = 0;
if( matrix_order == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_dtptri( &uplo, &diag, &n, ap, &info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_order == LAPACK_ROW_MAJOR ) {
double* ap_t = NULL;
/* Allocate memory for temporary array(s) */
ap_t = (double*)
LAPACKE_malloc( sizeof(double) * ( MAX(1,n) * MAX(2,n+1) ) / 2 );
if( ap_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_0;
}
/* Transpose input matrices */
LAPACKE_dtp_trans( matrix_order, uplo, diag, n, ap, ap_t );
/* Call LAPACK function and adjust info */
LAPACK_dtptri( &uplo, &diag, &n, ap_t, &info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
LAPACKE_dtp_trans( LAPACK_COL_MAJOR, uplo, diag, n, ap_t, ap );
/* Release memory and exit */
LAPACKE_free( ap_t );
exit_level_0:
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_dtptri_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_dtptri_work", info );
}
return info;
}
void LAPACKE_dsp_trans( int matrix_order, char uplo, lapack_int n,
const double *in,
double *out )
{
LAPACKE_dtp_trans( matrix_order, uplo, 'n', n, in, out );
}
