lapack_int LAPACKE_zhsein( int matrix_layout, char job, char eigsrc, char initv,
const lapack_logical* select, lapack_int n,
const lapack_complex_double* h, lapack_int ldh,
lapack_complex_double* w, lapack_complex_double* vl,
lapack_int ldvl, lapack_complex_double* vr,
lapack_int ldvr, lapack_int mm, lapack_int* m,
lapack_int* ifaill, lapack_int* ifailr )
{
lapack_int info = 0;
double* rwork = NULL;
lapack_complex_double* work = NULL;
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zhsein", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_zge_nancheck( matrix_layout, n, n, h, ldh ) ) {
return -7;
}
if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'l' ) ) {
if( LAPACKE_zge_nancheck( matrix_layout, n, mm, vl, ldvl ) ) {
return -10;
}
}
if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'r' ) ) {
if( LAPACKE_zge_nancheck( matrix_layout, n, mm, vr, ldvr ) ) {
return -12;
}
}
if( LAPACKE_z_nancheck( n, w, 1 ) ) {
return -9;
}
#endif
/* Allocate memory for working array(s) */
rwork = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
if( rwork == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_0;
}
work = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,n) * MAX(1,n) );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_1;
}
/* Call middle-level interface */
info = LAPACKE_zhsein_work( matrix_layout, job, eigsrc, initv, select, n, h,
ldh, w, vl, ldvl, vr, ldvr, mm, m, work, rwork,
ifaill, ifailr );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_1:
LAPACKE_free( rwork );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_zhsein", info );
}
return info;
}
int main(void)
{
/* Local scalars */
char job, job_i;
char eigsrc, eigsrc_i;
char initv, initv_i;
lapack_int n, n_i;
lapack_int ldh, ldh_i;
lapack_int ldh_r;
lapack_int ldvl, ldvl_i;
lapack_int ldvl_r;
lapack_int ldvr, ldvr_i;
lapack_int ldvr_r;
lapack_int mm, mm_i;
lapack_int m, m_i;
lapack_int info, info_i;
lapack_int i;
int failed;
/* Local arrays */
lapack_int *select = NULL, *select_i = NULL;
lapack_complex_double *h = NULL, *h_i = NULL;
lapack_complex_double *w = NULL, *w_i = NULL;
lapack_complex_double *vl = NULL, *vl_i = NULL;
lapack_complex_double *vr = NULL, *vr_i = NULL;
lapack_complex_double *work = NULL, *work_i = NULL;
double *rwork = NULL, *rwork_i = NULL;
lapack_int *ifaill = NULL, *ifaill_i = NULL;
lapack_int *ifailr = NULL, *ifailr_i = NULL;
lapack_complex_double *w_save = NULL;
lapack_complex_double *vl_save = NULL;
lapack_complex_double *vr_save = NULL;
lapack_int *ifaill_save = NULL;
lapack_int *ifailr_save = NULL;
lapack_complex_double *h_r = NULL;
lapack_complex_double *vl_r = NULL;
lapack_complex_double *vr_r = NULL;
/* Iniitialize the scalar parameters */
init_scalars_zhsein( &job, &eigsrc, &initv, &n, &ldh, &ldvl, &ldvr, &mm );
ldh_r = n+2;
ldvl_r = mm+2;
ldvr_r = mm+2;
job_i = job;
eigsrc_i = eigsrc;
initv_i = initv;
n_i = n;
ldh_i = ldh;
ldvl_i = ldvl;
ldvr_i = ldvr;
mm_i = mm;
/* Allocate memory for the LAPACK routine arrays */
select = (lapack_int *)LAPACKE_malloc( n * sizeof(lapack_int) );
h = (lapack_complex_double *)
LAPACKE_malloc( ldh*n * sizeof(lapack_complex_double) );
w = (lapack_complex_double *)
LAPACKE_malloc( n * sizeof(lapack_complex_double) );
vl = (lapack_complex_double *)
LAPACKE_malloc( ldvl*mm * sizeof(lapack_complex_double) );
vr = (lapack_complex_double *)
LAPACKE_malloc( ldvr*mm * sizeof(lapack_complex_double) );
work = (lapack_complex_double *)
LAPACKE_malloc( n*n * sizeof(lapack_complex_double) );
rwork = (double *)LAPACKE_malloc( n * sizeof(double) );
ifaill = (lapack_int *)LAPACKE_malloc( mm * sizeof(lapack_int) );
ifailr = (lapack_int *)LAPACKE_malloc( mm * sizeof(lapack_int) );
/* Allocate memory for the C interface function arrays */
select_i = (lapack_int *)LAPACKE_malloc( n * sizeof(lapack_int) );
h_i = (lapack_complex_double *)
LAPACKE_malloc( ldh*n * sizeof(lapack_complex_double) );
w_i = (lapack_complex_double *)
LAPACKE_malloc( n * sizeof(lapack_complex_double) );
vl_i = (lapack_complex_double *)
LAPACKE_malloc( ldvl*mm * sizeof(lapack_complex_double) );
vr_i = (lapack_complex_double *)
LAPACKE_malloc( ldvr*mm * sizeof(lapack_complex_double) );
work_i = (lapack_complex_double *)
LAPACKE_malloc( n*n * sizeof(lapack_complex_double) );
rwork_i = (double *)LAPACKE_malloc( n * sizeof(double) );
ifaill_i = (lapack_int *)LAPACKE_malloc( mm * sizeof(lapack_int) );
ifailr_i = (lapack_int *)LAPACKE_malloc( mm * sizeof(lapack_int) );
/* Allocate memory for the backup arrays */
w_save = (lapack_complex_double *)
LAPACKE_malloc( n * sizeof(lapack_complex_double) );
vl_save = (lapack_complex_double *)
LAPACKE_malloc( ldvl*mm * sizeof(lapack_complex_double) );
vr_save = (lapack_complex_double *)
LAPACKE_malloc( ldvr*mm * sizeof(lapack_complex_double) );
ifaill_save = (lapack_int *)LAPACKE_malloc( mm * sizeof(lapack_int) );
ifailr_save = (lapack_int *)LAPACKE_malloc( mm * sizeof(lapack_int) );
/* Allocate memory for the row-major arrays */
h_r = (lapack_complex_double *)
LAPACKE_malloc( n*(n+2) * sizeof(lapack_complex_double) );
vl_r = (lapack_complex_double *)
LAPACKE_malloc( n*(mm+2) * sizeof(lapack_complex_double) );
vr_r = (lapack_complex_double *)
LAPACKE_malloc( n*(mm+2) * sizeof(lapack_complex_double) );
/* Initialize input arrays */
init_select( n, select );
init_h( ldh*n, h );
init_w( n, w );
init_vl( ldvl*mm, vl );
init_vr( ldvr*mm, vr );
init_work( n*n, work );
init_rwork( n, rwork );
init_ifaill( mm, ifaill );
init_ifailr( mm, ifailr );
/* Backup the ouptut arrays */
for( i = 0; i < n; i++ ) {
w_save[i] = w[i];
}
for( i = 0; i < ldvl*mm; i++ ) {
vl_save[i] = vl[i];
}
for( i = 0; i < ldvr*mm; i++ ) {
vr_save[i] = vr[i];
}
for( i = 0; i < mm; i++ ) {
ifaill_save[i] = ifaill[i];
}
for( i = 0; i < mm; i++ ) {
ifailr_save[i] = ifailr[i];
}
/* Call the LAPACK routine */
zhsein_( &job, &eigsrc, &initv, select, &n, h, &ldh, w, vl, &ldvl, vr,
&ldvr, &mm, &m, work, rwork, ifaill, ifailr, &info );
/* Initialize input data, call the column-major middle-level
* interface to LAPACK routine and check the results */
for( i = 0; i < n; i++ ) {
select_i[i] = select[i];
}
for( i = 0; i < ldh*n; i++ ) {
h_i[i] = h[i];
}
for( i = 0; i < n; i++ ) {
w_i[i] = w_save[i];
}
for( i = 0; i < ldvl*mm; i++ ) {
vl_i[i] = vl_save[i];
}
for( i = 0; i < ldvr*mm; i++ ) {
vr_i[i] = vr_save[i];
}
for( i = 0; i < n*n; i++ ) {
work_i[i] = work[i];
}
for( i = 0; i < n; i++ ) {
rwork_i[i] = rwork[i];
}
for( i = 0; i < mm; i++ ) {
ifaill_i[i] = ifaill_save[i];
}
for( i = 0; i < mm; i++ ) {
ifailr_i[i] = ifailr_save[i];
}
info_i = LAPACKE_zhsein_work( LAPACK_COL_MAJOR, job_i, eigsrc_i, initv_i,
select_i, n_i, h_i, ldh_i, w_i, vl_i, ldvl_i,
vr_i, ldvr_i, mm_i, &m_i, work_i, rwork_i,
ifaill_i, ifailr_i );
failed = compare_zhsein( w, w_i, vl, vl_i, vr, vr_i, m, m_i, ifaill,
ifaill_i, ifailr, ifailr_i, info, info_i, job,
ldvl, ldvr, mm, n );
if( failed == 0 ) {
printf( "PASSED: column-major middle-level interface to zhsein\n" );
} else {
printf( "FAILED: column-major middle-level interface to zhsein\n" );
}
/* Initialize input data, call the column-major high-level
* interface to LAPACK routine and check the results */
for( i = 0; i < n; i++ ) {
select_i[i] = select[i];
}
for( i = 0; i < ldh*n; i++ ) {
h_i[i] = h[i];
}
for( i = 0; i < n; i++ ) {
w_i[i] = w_save[i];
}
for( i = 0; i < ldvl*mm; i++ ) {
vl_i[i] = vl_save[i];
}
for( i = 0; i < ldvr*mm; i++ ) {
vr_i[i] = vr_save[i];
}
for( i = 0; i < n*n; i++ ) {
work_i[i] = work[i];
}
for( i = 0; i < n; i++ ) {
rwork_i[i] = rwork[i];
}
for( i = 0; i < mm; i++ ) {
ifaill_i[i] = ifaill_save[i];
}
for( i = 0; i < mm; i++ ) {
ifailr_i[i] = ifailr_save[i];
}
info_i = LAPACKE_zhsein( LAPACK_COL_MAJOR, job_i, eigsrc_i, initv_i,
select_i, n_i, h_i, ldh_i, w_i, vl_i, ldvl_i, vr_i,
ldvr_i, mm_i, &m_i, ifaill_i, ifailr_i );
failed = compare_zhsein( w, w_i, vl, vl_i, vr, vr_i, m, m_i, ifaill,
ifaill_i, ifailr, ifailr_i, info, info_i, job,
ldvl, ldvr, mm, n );
if( failed == 0 ) {
printf( "PASSED: column-major high-level interface to zhsein\n" );
} else {
printf( "FAILED: column-major high-level interface to zhsein\n" );
}
/* Initialize input data, call the row-major middle-level
* interface to LAPACK routine and check the results */
for( i = 0; i < n; i++ ) {
select_i[i] = select[i];
}
for( i = 0; i < ldh*n; i++ ) {
h_i[i] = h[i];
}
for( i = 0; i < n; i++ ) {
w_i[i] = w_save[i];
}
for( i = 0; i < ldvl*mm; i++ ) {
vl_i[i] = vl_save[i];
}
for( i = 0; i < ldvr*mm; i++ ) {
vr_i[i] = vr_save[i];
}
for( i = 0; i < n*n; i++ ) {
work_i[i] = work[i];
}
for( i = 0; i < n; i++ ) {
rwork_i[i] = rwork[i];
}
for( i = 0; i < mm; i++ ) {
ifaill_i[i] = ifaill_save[i];
}
for( i = 0; i < mm; i++ ) {
ifailr_i[i] = ifailr_save[i];
}
LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, n, h_i, ldh, h_r, n+2 );
if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'l' ) ) {
LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, mm, vl_i, ldvl, vl_r, mm+2 );
}
if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'r' ) ) {
LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, mm, vr_i, ldvr, vr_r, mm+2 );
}
info_i = LAPACKE_zhsein_work( LAPACK_ROW_MAJOR, job_i, eigsrc_i, initv_i,
select_i, n_i, h_r, ldh_r, w_i, vl_r, ldvl_r,
vr_r, ldvr_r, mm_i, &m_i, work_i, rwork_i,
ifaill_i, ifailr_i );
if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'l' ) ) {
LAPACKE_zge_trans( LAPACK_ROW_MAJOR, n, mm, vl_r, mm+2, vl_i, ldvl );
}
if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'r' ) ) {
LAPACKE_zge_trans( LAPACK_ROW_MAJOR, n, mm, vr_r, mm+2, vr_i, ldvr );
}
failed = compare_zhsein( w, w_i, vl, vl_i, vr, vr_i, m, m_i, ifaill,
ifaill_i, ifailr, ifailr_i, info, info_i, job,
ldvl, ldvr, mm, n );
if( failed == 0 ) {
printf( "PASSED: row-major middle-level interface to zhsein\n" );
} else {
printf( "FAILED: row-major middle-level interface to zhsein\n" );
}
/* Initialize input data, call the row-major high-level
* interface to LAPACK routine and check the results */
for( i = 0; i < n; i++ ) {
select_i[i] = select[i];
}
for( i = 0; i < ldh*n; i++ ) {
h_i[i] = h[i];
}
for( i = 0; i < n; i++ ) {
w_i[i] = w_save[i];
}
for( i = 0; i < ldvl*mm; i++ ) {
vl_i[i] = vl_save[i];
}
for( i = 0; i < ldvr*mm; i++ ) {
vr_i[i] = vr_save[i];
}
for( i = 0; i < n*n; i++ ) {
work_i[i] = work[i];
}
for( i = 0; i < n; i++ ) {
rwork_i[i] = rwork[i];
}
for( i = 0; i < mm; i++ ) {
ifaill_i[i] = ifaill_save[i];
}
for( i = 0; i < mm; i++ ) {
ifailr_i[i] = ifailr_save[i];
}
/* Init row_major arrays */
LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, n, h_i, ldh, h_r, n+2 );
if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'l' ) ) {
LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, mm, vl_i, ldvl, vl_r, mm+2 );
}
if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'r' ) ) {
LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, mm, vr_i, ldvr, vr_r, mm+2 );
}
info_i = LAPACKE_zhsein( LAPACK_ROW_MAJOR, job_i, eigsrc_i, initv_i,
select_i, n_i, h_r, ldh_r, w_i, vl_r, ldvl_r, vr_r,
ldvr_r, mm_i, &m_i, ifaill_i, ifailr_i );
if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'l' ) ) {
LAPACKE_zge_trans( LAPACK_ROW_MAJOR, n, mm, vl_r, mm+2, vl_i, ldvl );
}
if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'r' ) ) {
LAPACKE_zge_trans( LAPACK_ROW_MAJOR, n, mm, vr_r, mm+2, vr_i, ldvr );
}
failed = compare_zhsein( w, w_i, vl, vl_i, vr, vr_i, m, m_i, ifaill,
ifaill_i, ifailr, ifailr_i, info, info_i, job,
ldvl, ldvr, mm, n );
if( failed == 0 ) {
printf( "PASSED: row-major high-level interface to zhsein\n" );
} else {
printf( "FAILED: row-major high-level interface to zhsein\n" );
}
/* Release memory */
if( select != NULL ) {
LAPACKE_free( select );
}
if( select_i != NULL ) {
LAPACKE_free( select_i );
}
if( h != NULL ) {
LAPACKE_free( h );
}
if( h_i != NULL ) {
LAPACKE_free( h_i );
}
if( h_r != NULL ) {
LAPACKE_free( h_r );
}
if( w != NULL ) {
LAPACKE_free( w );
}
if( w_i != NULL ) {
LAPACKE_free( w_i );
}
if( w_save != NULL ) {
LAPACKE_free( w_save );
}
if( vl != NULL ) {
LAPACKE_free( vl );
}
if( vl_i != NULL ) {
LAPACKE_free( vl_i );
}
if( vl_r != NULL ) {
LAPACKE_free( vl_r );
}
if( vl_save != NULL ) {
LAPACKE_free( vl_save );
}
if( vr != NULL ) {
LAPACKE_free( vr );
}
if( vr_i != NULL ) {
LAPACKE_free( vr_i );
}
if( vr_r != NULL ) {
LAPACKE_free( vr_r );
}
if( vr_save != NULL ) {
LAPACKE_free( vr_save );
}
if( work != NULL ) {
LAPACKE_free( work );
}
if( work_i != NULL ) {
LAPACKE_free( work_i );
}
if( rwork != NULL ) {
LAPACKE_free( rwork );
}
if( rwork_i != NULL ) {
LAPACKE_free( rwork_i );
}
if( ifaill != NULL ) {
LAPACKE_free( ifaill );
}
if( ifaill_i != NULL ) {
LAPACKE_free( ifaill_i );
}
if( ifaill_save != NULL ) {
LAPACKE_free( ifaill_save );
}
if( ifailr != NULL ) {
LAPACKE_free( ifailr );
}
if( ifailr_i != NULL ) {
LAPACKE_free( ifailr_i );
}
if( ifailr_save != NULL ) {
LAPACKE_free( ifailr_save );
}
return 0;
}
