lapack_int LAPACKE_ztrttf_work( int matrix_order, char transr, char uplo,
lapack_int n, const lapack_complex_double* a,
lapack_int lda, lapack_complex_double* arf )
{
lapack_int info = 0;
if( matrix_order == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_ztrttf( &transr, &uplo, &n, a, &lda, arf, &info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_order == LAPACK_ROW_MAJOR ) {
lapack_int lda_t = MAX(1,n);
lapack_complex_double* a_t = NULL;
lapack_complex_double* arf_t = NULL;
/* Check leading dimension(s) */
if( lda < n ) {
info = -6;
LAPACKE_xerbla( "LAPACKE_ztrttf_work", info );
return info;
}
/* Allocate memory for temporary array(s) */
a_t = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) * lda_t * MAX(1,n) );
if( a_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_0;
}
arf_t = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) *
( MAX(1,n) * MAX(2,n+1) ) / 2 );
if( arf_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_1;
}
/* Transpose input matrices */
LAPACKE_zge_trans( matrix_order, n, n, a, lda, a_t, lda_t );
/* Call LAPACK function and adjust info */
LAPACK_ztrttf( &transr, &uplo, &n, a_t, &lda_t, arf_t, &info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
LAPACKE_zpf_trans( LAPACK_COL_MAJOR, transr, uplo, n, arf_t, arf );
/* Release memory and exit */
LAPACKE_free( arf_t );
exit_level_1:
LAPACKE_free( a_t );
exit_level_0:
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_ztrttf_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_ztrttf_work", info );
}
return info;
}
lapack_int LAPACKE_zpftri_work( int matrix_layout, char transr, char uplo,
lapack_int n, lapack_complex_double* a )
{
lapack_int info = 0;
if( matrix_layout == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_zpftri( &transr, &uplo, &n, a, &info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_layout == LAPACK_ROW_MAJOR ) {
lapack_complex_double* a_t = NULL;
/* Allocate memory for temporary array(s) */
a_t = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) *
( MAX(1,n) * MAX(2,n+1) ) / 2 );
if( a_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_0;
}
/* Transpose input matrices */
LAPACKE_zpf_trans( matrix_layout, transr, uplo, n, a, a_t );
/* Call LAPACK function and adjust info */
LAPACK_zpftri( &transr, &uplo, &n, a_t, &info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
LAPACKE_zpf_trans( LAPACK_COL_MAJOR, transr, uplo, n, a_t, a );
/* Release memory and exit */
LAPACKE_free( a_t );
exit_level_0:
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_zpftri_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_zpftri_work", info );
}
return info;
}
