lapack_int LAPACKE_zhbgst( int matrix_layout, char vect, char uplo, lapack_int n,
lapack_int ka, lapack_int kb,
lapack_complex_double* ab, lapack_int ldab,
const lapack_complex_double* bb, lapack_int ldbb,
lapack_complex_double* x, lapack_int ldx )
{
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_zhbgst", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_zhb_nancheck( matrix_layout, uplo, n, ka, ab, ldab ) ) {
return -7;
}
if( LAPACKE_zhb_nancheck( matrix_layout, uplo, n, kb, bb, ldbb ) ) {
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) );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_1;
}
/* Call middle-level interface */
info = LAPACKE_zhbgst_work( matrix_layout, 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_zhbgst", info );
}
return info;
}
lapack_int LAPACKE_zhbtrd( int matrix_layout, char vect, char uplo, lapack_int n,
lapack_int kd, lapack_complex_double* ab,
lapack_int ldab, double* d, double* e,
lapack_complex_double* q, lapack_int ldq )
{
lapack_int info = 0;
lapack_complex_double* work = NULL;
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zhbtrd", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_zhb_nancheck( matrix_layout, uplo, n, kd, ab, ldab ) ) {
return -6;
}
if( LAPACKE_lsame( vect, 'u' ) || LAPACKE_lsame( vect, 'v' ) ) {
if( LAPACKE_zge_nancheck( matrix_layout, n, n, q, ldq ) ) {
return -10;
}
}
#endif
/* Allocate memory for working array(s) */
work = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,n) );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_0;
}
/* Call middle-level interface */
info = LAPACKE_zhbtrd_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_zhbtrd", info );
}
return info;
}
lapack_int LAPACKE_zlascl( int matrix_layout, char type, lapack_int kl,
lapack_int ku, double cfrom, double cto,
lapack_int m, lapack_int n, lapack_complex_double* a,
lapack_int lda )
{
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zlascl", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
if( LAPACKE_get_nancheck() ) {
/* Optionally check input matrices for NaNs */
switch (type) {
case 'G':
if( LAPACKE_zge_nancheck( matrix_layout, m, n, a, lda ) ) {
return -9;
}
break;
case 'L':
// TYPE = 'L' - lower triangle of general matrix
if( matrix_layout == LAPACK_COL_MAJOR &&
LAPACKE_zgb_nancheck( matrix_layout, m, n, m-1, 0, a, lda+1 ) ) {
return -9;
}
if( matrix_layout == LAPACK_ROW_MAJOR &&
LAPACKE_zgb_nancheck( LAPACK_COL_MAJOR, n, m, 0, m-1, a-m+1, lda+1 ) ) {
return -9;
}
break;
case 'U':
// TYPE = 'U' - upper triangle of general matrix
if( matrix_layout == LAPACK_COL_MAJOR &&
LAPACKE_zgb_nancheck( matrix_layout, m, n, 0, n-1, a-n+1, lda+1 ) ) {
return -9;
}
if( matrix_layout == LAPACK_ROW_MAJOR &&
LAPACKE_zgb_nancheck( LAPACK_COL_MAJOR, n, m, n-1, 0, a, lda+1 ) ) {
return -9;
}
break;
case 'H':
// TYPE = 'H' - part of upper Hessenberg matrix in general matrix
if( matrix_layout == LAPACK_COL_MAJOR &&
LAPACKE_zgb_nancheck( matrix_layout, m, n, 1, n-1, a-n+1, lda+1 ) ) {
return -9;
}
if( matrix_layout == LAPACK_ROW_MAJOR &&
LAPACKE_zgb_nancheck( LAPACK_COL_MAJOR, n, m, n-1, 1, a-1, lda+1 ) ) {
return -9;
}
case 'B':
// TYPE = 'B' - lower part of symmetric band matrix (assume m==n)
if( LAPACKE_zhb_nancheck( matrix_layout, 'L', n, kl, a, lda ) ) {
return -9;
}
break;
case 'Q':
// TYPE = 'Q' - upper part of symmetric band matrix (assume m==n)
if( LAPACKE_zhb_nancheck( matrix_layout, 'U', n, ku, a, lda ) ) {
return -9;
}
break;
case 'Z':
// TYPE = 'Z' - band matrix laid out for ?GBTRF
if( matrix_layout == LAPACK_COL_MAJOR &&
LAPACKE_zgb_nancheck( matrix_layout, m, n, kl, ku, a+kl, lda ) ) {
return -9;
}
if( matrix_layout == LAPACK_ROW_MAJOR &&
LAPACKE_zgb_nancheck( matrix_layout, m, n, kl, ku, a+lda*kl, lda ) ) {
return -9;
}
break;
}
}
#endif
return LAPACKE_zlascl_work( matrix_layout, type, kl, ku, cfrom, cto, m, n, a, lda );
}
lapack_int LAPACKE_zhbgvx( int matrix_order, char jobz, char range, char uplo,
lapack_int n, lapack_int ka, lapack_int kb,
lapack_complex_double* ab, lapack_int ldab,
lapack_complex_double* bb, lapack_int ldbb,
lapack_complex_double* q, lapack_int ldq, double vl,
double vu, lapack_int il, lapack_int iu,
double abstol, lapack_int* m, double* w,
lapack_complex_double* z, lapack_int ldz,
lapack_int* ifail )
{
lapack_int info = 0;
lapack_int* iwork = NULL;
double* rwork = NULL;
lapack_complex_double* work = NULL;
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zhbgvx", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_zhb_nancheck( matrix_order, uplo, n, ka, ab, ldab ) ) {
return -8;
}
if( LAPACKE_d_nancheck( 1, &abstol, 1 ) ) {
return -18;
}
if( LAPACKE_zhb_nancheck( matrix_order, uplo, n, kb, bb, ldbb ) ) {
return -10;
}
if( LAPACKE_lsame( range, 'v' ) ) {
if( LAPACKE_d_nancheck( 1, &vl, 1 ) ) {
return -14;
}
}
if( LAPACKE_lsame( range, 'v' ) ) {
if( LAPACKE_d_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 = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,7*n) );
if( rwork == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_1;
}
work = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,n) );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_2;
}
/* Call middle-level interface */
info = LAPACKE_zhbgvx_work( matrix_order, 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_zhbgvx", info );
}
return info;
}
lapack_int LAPACKE_zhbevd_2stage( int matrix_layout, char jobz, char uplo, lapack_int n,
lapack_int kd, lapack_complex_double* ab,
lapack_int ldab, double* w, lapack_complex_double* z,
lapack_int ldz )
{
lapack_int info = 0;
lapack_int liwork = -1;
lapack_int lrwork = -1;
lapack_int lwork = -1;
lapack_int* iwork = NULL;
double* rwork = NULL;
lapack_complex_double* work = NULL;
lapack_int iwork_query;
double rwork_query;
lapack_complex_double work_query;
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zhbevd_2stage", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_zhb_nancheck( matrix_layout, uplo, n, kd, ab, ldab ) ) {
return -6;
}
#endif
/* Query optimal working array(s) size */
info = LAPACKE_zhbevd_2stage_work( matrix_layout, jobz, uplo, n, kd, ab, ldab, 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_Z2INT( 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 = (double*)LAPACKE_malloc( sizeof(double) * lrwork );
if( rwork == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_1;
}
work = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) * lwork );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_2;
}
/* Call middle-level interface */
info = LAPACKE_zhbevd_2stage_work( matrix_layout, jobz, uplo, n, kd, ab, ldab, 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_zhbevd_2stage", info );
}
return info;
}
lapack_int LAPACKE_zhbevx_2stage( int matrix_layout, char jobz, char range, char uplo,
lapack_int n, lapack_int kd,
lapack_complex_double* ab, lapack_int ldab,
lapack_complex_double* q, lapack_int ldq, double vl,
double vu, lapack_int il, lapack_int iu,
double abstol, lapack_int* m, double* w,
lapack_complex_double* z, lapack_int ldz,
lapack_int* ifail )
{
lapack_int info = 0;
lapack_int lwork = -1;
lapack_int* iwork = NULL;
double* rwork = NULL;
lapack_complex_double* work = NULL;
lapack_complex_double work_query;
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zhbevx_2stage", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
if( LAPACKE_get_nancheck() ) {
/* Optionally check input matrices for NaNs */
if( LAPACKE_zhb_nancheck( matrix_layout, uplo, n, kd, ab, ldab ) ) {
return -7;
}
if( LAPACKE_d_nancheck( 1, &abstol, 1 ) ) {
return -15;
}
if( LAPACKE_lsame( range, 'v' ) ) {
if( LAPACKE_d_nancheck( 1, &vl, 1 ) ) {
return -11;
}
}
if( LAPACKE_lsame( range, 'v' ) ) {
if( LAPACKE_d_nancheck( 1, &vu, 1 ) ) {
return -12;
}
}
}
#endif
/* Query optimal working array(s) size */
info = LAPACKE_zhbevx_2stage_work( matrix_layout, jobz, range, uplo, n, kd, ab,
ldab, q, ldq, vl, vu, il, iu, abstol, m, w, z,
ldz, &work_query, lwork, rwork, iwork, ifail );
if( info != 0 ) {
goto exit_level_0;
}
lwork = LAPACK_Z2INT( work_query );
/* 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 = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,7*n) );
if( rwork == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_1;
}
work = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) * lwork );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_2;
}
/* Call middle-level interface */
info = LAPACKE_zhbevx_2stage_work( matrix_layout, jobz, range, uplo, n, kd, ab,
ldab, q, ldq, vl, vu, il, iu, abstol, m, w, z,
ldz, work, lwork, 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_zhbevx_2stage", info );
}
return info;
}
lapack_int LAPACKE_zlascl( int matrix_layout, char type, lapack_int kl,
lapack_int ku, double cfrom, double cto,
lapack_int m, lapack_int n, lapack_complex_double* a,
lapack_int lda )
{
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zlascl", -1 );
return -1;
}
#ifndef LAPACK_zISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
switch (type) {
case 'G':
if( LAPACKE_zge_nancheck( matrix_layout, lda, n, a, lda ) ) {
return -9;
}
break;
case 'L':
// TYPE = 'L' - lower triangular matrix.
if( LAPACKE_ztr_nancheck( matrix_layout, 'L', 'N', n, a, lda ) ) {
return -9;
}
break;
case 'U':
// TYPE = 'U' - upper triangular matrix
if( LAPACKE_ztr_nancheck( matrix_layout, 'U', 'N', n, a, lda ) ) {
return -9;
}
break;
case 'H':
// TYPE = 'H' - upper Hessenberg matrix
if( LAPACKE_zhs_nancheck( matrix_layout, n, a, lda ) ) {
return -9;
}
break;
case 'B':
// TYPE = 'B' - A is a symmetric band matrix with lower bandwidth KL
// and upper bandwidth KU and with the only the lower
// half stored.
if( LAPACKE_zhb_nancheck( matrix_layout, 'L', n, kl, a, lda ) ) {
return -9;
}
break;
case 'Q':
// TYPE = 'Q' - A is a symmetric band matrix with lower bandwidth KL
// and upper bandwidth KU and with the only the upper
// half stored.
if( LAPACKE_zhb_nancheck( matrix_layout, 'U', n, ku, a, lda ) ) {
return -9;
}
break;
case 'Z':
// TYPE = 'Z' - A is a band matrix with lower bandwidth KL and upper
// bandwidth KU. See DGBTRF for storage details.
if( LAPACKE_zgb_nancheck( matrix_layout, n, n, kl, kl+ku, a, lda ) ) {
return -6;
}
break;
}
#endif
return LAPACKE_zlascl_work( matrix_layout, type, kl, ku, cfrom, cto, m, n, a, lda );
}
