lapack_int LAPACKE_cpbcon_work( int matrix_layout, char uplo, lapack_int n,
lapack_int kd, const lapack_complex_float* ab,
lapack_int ldab, float anorm, float* rcond,
lapack_complex_float* work, float* rwork )
{
lapack_int info = 0;
if( matrix_layout == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_cpbcon( &uplo, &n, &kd, ab, &ldab, &anorm, rcond, work, rwork,
&info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_layout == LAPACK_ROW_MAJOR ) {
lapack_int ldab_t = MAX(1,kd+1);
lapack_complex_float* ab_t = NULL;
/* Check leading dimension(s) */
if( ldab < n ) {
info = -6;
LAPACKE_xerbla( "LAPACKE_cpbcon_work", info );
return info;
}
/* Allocate memory for temporary array(s) */
ab_t = (lapack_complex_float*)
LAPACKE_malloc( sizeof(lapack_complex_float) * ldab_t * MAX(1,n) );
if( ab_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_0;
}
/* Transpose input matrices */
LAPACKE_cpb_trans( matrix_layout, uplo, n, kd, ab, ldab, ab_t, ldab_t );
/* Call LAPACK function and adjust info */
LAPACK_cpbcon( &uplo, &n, &kd, ab_t, &ldab_t, &anorm, rcond, work,
rwork, &info );
if( info < 0 ) {
info = info - 1;
}
/* Release memory and exit */
LAPACKE_free( ab_t );
exit_level_0:
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_cpbcon_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_cpbcon_work", info );
}
return info;
}
lapack_int LAPACKE_cpbtrs_work( int matrix_order, char uplo, lapack_int n,
lapack_int kd, lapack_int nrhs,
const lapack_complex_float* ab, lapack_int ldab,
lapack_complex_float* b, lapack_int ldb )
{
lapack_int info = 0;
if( matrix_order == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_cpbtrs( &uplo, &n, &kd, &nrhs, ab, &ldab, b, &ldb, &info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_order == LAPACK_ROW_MAJOR ) {
lapack_int ldab_t = MAX(1,kd+1);
lapack_int ldb_t = MAX(1,n);
lapack_complex_float* ab_t = NULL;
lapack_complex_float* b_t = NULL;
/* Check leading dimension(s) */
if( ldab < n ) {
info = -7;
LAPACKE_xerbla( "LAPACKE_cpbtrs_work", info );
return info;
}
if( ldb < nrhs ) {
info = -9;
LAPACKE_xerbla( "LAPACKE_cpbtrs_work", info );
return info;
}
/* Allocate memory for temporary array(s) */
ab_t = (lapack_complex_float*)
LAPACKE_malloc( sizeof(lapack_complex_float) * ldab_t * MAX(1,n) );
if( ab_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_0;
}
b_t = (lapack_complex_float*)
LAPACKE_malloc( sizeof(lapack_complex_float) *
ldb_t * MAX(1,nrhs) );
if( b_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_1;
}
/* Transpose input matrices */
LAPACKE_cpb_trans( matrix_order, uplo, n, kd, ab, ldab, ab_t, ldab_t );
LAPACKE_cge_trans( matrix_order, n, nrhs, b, ldb, b_t, ldb_t );
/* Call LAPACK function and adjust info */
LAPACK_cpbtrs( &uplo, &n, &kd, &nrhs, ab_t, &ldab_t, b_t, &ldb_t,
&info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
/* Release memory and exit */
LAPACKE_free( b_t );
exit_level_1:
LAPACKE_free( ab_t );
exit_level_0:
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_cpbtrs_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_cpbtrs_work", info );
}
return info;
}
