lapack_int LAPACKE_chbgst( int matrix_order, char vect, char uplo, lapack_int n,
lapack_int ka, lapack_int kb,
lapack_complex_float* ab, lapack_int ldab,
const lapack_complex_float* bb, lapack_int ldbb,
lapack_complex_float* x, lapack_int ldx )
{
lapack_int info = 0;
float* rwork = NULL;
lapack_complex_float* work = NULL;
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_chbgst", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_chb_nancheck( matrix_order, uplo, n, ka, ab, ldab ) ) {
return -7;
}
if( LAPACKE_chb_nancheck( matrix_order, uplo, n, kb, bb, ldbb ) ) {
return -9;
}
#endif
/* Allocate memory for working array(s) */
rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) );
if( rwork == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_0;
}
work = (lapack_complex_float*)
LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,n) );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_1;
}
/* Call middle-level interface */
info = LAPACKE_chbgst_work( matrix_order, vect, uplo, n, ka, kb, ab, ldab,
bb, ldbb, x, ldx, work, rwork );
/* 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_chbgst", info );
}
return info;
}
lapack_int LAPACKE_chbev_2stage( int matrix_layout, char jobz, char uplo, lapack_int n,
lapack_int kd, lapack_complex_float* ab,
lapack_int ldab, float* w, lapack_complex_float* z,
lapack_int ldz )
{
lapack_int info = 0;
lapack_int lwork = -1;
float* rwork = NULL;
lapack_complex_float* work = NULL;
lapack_complex_float work_query;
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_chbev_2stage", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
if( LAPACKE_get_nancheck() ) {
/* Optionally check input matrices for NaNs */
if( LAPACKE_chb_nancheck( matrix_layout, uplo, n, kd, ab, ldab ) ) {
return -6;
}
}
#endif
/* Query optimal working array(s) size */
info = LAPACKE_chbev_2stage_work( matrix_layout, jobz, uplo, n, kd, ab, ldab, w, z,
ldz, &work_query, lwork, rwork );
if( info != 0 ) {
goto exit_level_0;
}
lwork = LAPACK_C2INT( work_query );
/* Allocate memory for working array(s) */
rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,3*n-2) );
if( rwork == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_0;
}
work = (lapack_complex_float*)
LAPACKE_malloc( sizeof(lapack_complex_float) * lwork );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_1;
}
/* Call middle-level interface */
info = LAPACKE_chbev_2stage_work( matrix_layout, jobz, uplo, n, kd, ab, ldab, w, z,
ldz, work, lwork, rwork );
/* 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_chbev_2stage", info );
}
return info;
}
lapack_int LAPACKE_chbtrd( int matrix_layout, char vect, char uplo, lapack_int n,
lapack_int kd, lapack_complex_float* ab,
lapack_int ldab, float* d, float* e,
lapack_complex_float* q, lapack_int ldq )
{
lapack_int info = 0;
lapack_complex_float* work = NULL;
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_chbtrd", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
if( LAPACKE_get_nancheck() ) {
/* Optionally check input matrices for NaNs */
if( LAPACKE_chb_nancheck( matrix_layout, uplo, n, kd, ab, ldab ) ) {
return -6;
}
if( LAPACKE_lsame( vect, 'u' ) ) {
if( LAPACKE_cge_nancheck( matrix_layout, n, n, q, ldq ) ) {
return -10;
}
}
}
#endif
/* Allocate memory for working array(s) */
work = (lapack_complex_float*)
LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,n) );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_0;
}
/* Call middle-level interface */
info = LAPACKE_chbtrd_work( matrix_layout, vect, uplo, n, kd, ab, ldab, d, e,
q, ldq, work );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_chbtrd", info );
}
return info;
}
lapack_int LAPACKE_chbgvx( int matrix_layout, char jobz, char range, char uplo,
lapack_int n, lapack_int ka, lapack_int kb,
lapack_complex_float* ab, lapack_int ldab,
lapack_complex_float* bb, lapack_int ldbb,
lapack_complex_float* q, lapack_int ldq, float vl,
float vu, lapack_int il, lapack_int iu, float abstol,
lapack_int* m, float* w, lapack_complex_float* z,
lapack_int ldz, lapack_int* ifail )
{
lapack_int info = 0;
lapack_int* iwork = NULL;
float* rwork = NULL;
lapack_complex_float* work = NULL;
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_chbgvx", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_chb_nancheck( matrix_layout, uplo, n, ka, ab, ldab ) ) {
return -8;
}
if( LAPACKE_s_nancheck( 1, &abstol, 1 ) ) {
return -18;
}
if( LAPACKE_chb_nancheck( matrix_layout, uplo, n, kb, bb, ldbb ) ) {
return -10;
}
if( LAPACKE_lsame( range, 'v' ) ) {
if( LAPACKE_s_nancheck( 1, &vl, 1 ) ) {
return -14;
}
}
if( LAPACKE_lsame( range, 'v' ) ) {
if( LAPACKE_s_nancheck( 1, &vu, 1 ) ) {
return -15;
}
}
#endif
/* Allocate memory for working array(s) */
iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,5*n) );
if( iwork == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_0;
}
rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,7*n) );
if( rwork == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_1;
}
work = (lapack_complex_float*)
LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,n) );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_2;
}
/* Call middle-level interface */
info = LAPACKE_chbgvx_work( matrix_layout, jobz, range, uplo, n, ka, kb, ab,
ldab, bb, ldbb, q, ldq, vl, vu, il, iu, abstol,
m, w, z, ldz, work, rwork, iwork, ifail );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_2:
LAPACKE_free( rwork );
exit_level_1:
LAPACKE_free( iwork );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_chbgvx", info );
}
return info;
}
lapack_int LAPACKE_chbgvd( int matrix_order, char jobz, char uplo, lapack_int n,
lapack_int ka, lapack_int kb,
lapack_complex_float* ab, lapack_int ldab,
lapack_complex_float* bb, lapack_int ldbb, float* w,
lapack_complex_float* z, lapack_int ldz )
{
lapack_int info = 0;
lapack_int liwork = -1;
lapack_int lrwork = -1;
lapack_int lwork = -1;
lapack_int* iwork = NULL;
float* rwork = NULL;
lapack_complex_float* work = NULL;
lapack_int iwork_query;
float rwork_query;
lapack_complex_float work_query;
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_chbgvd", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_chb_nancheck( matrix_order, uplo, n, ka, ab, ldab ) ) {
return -7;
}
if( LAPACKE_chb_nancheck( matrix_order, uplo, n, kb, bb, ldbb ) ) {
return -9;
}
#endif
/* Query optimal working array(s) size */
info = LAPACKE_chbgvd_work( matrix_order, jobz, uplo, n, ka, kb, ab, ldab,
bb, ldbb, w, z, ldz, &work_query, lwork,
&rwork_query, lrwork, &iwork_query, liwork );
if( info != 0 ) {
goto exit_level_0;
}
liwork = (lapack_int)iwork_query;
lrwork = (lapack_int)rwork_query;
lwork = LAPACK_C2INT( work_query );
/* Allocate memory for work arrays */
iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * liwork );
if( iwork == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_0;
}
rwork = (float*)LAPACKE_malloc( sizeof(float) * lrwork );
if( rwork == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_1;
}
work = (lapack_complex_float*)
LAPACKE_malloc( sizeof(lapack_complex_float) * lwork );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_2;
}
/* Call middle-level interface */
info = LAPACKE_chbgvd_work( matrix_order, jobz, uplo, n, ka, kb, ab, ldab,
bb, ldbb, w, z, ldz, work, lwork, rwork, lrwork,
iwork, liwork );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_2:
LAPACKE_free( rwork );
exit_level_1:
LAPACKE_free( iwork );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_chbgvd", info );
}
return info;
}
