lapack_int LAPACKE_zgttrs( int matrix_layout, char trans, lapack_int n,
lapack_int nrhs, const lapack_complex_double* dl,
const lapack_complex_double* d,
const lapack_complex_double* du,
const lapack_complex_double* du2,
const lapack_int* ipiv, lapack_complex_double* b,
lapack_int ldb )
{
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zgttrs", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_zge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
return -10;
}
if( LAPACKE_z_nancheck( n, d, 1 ) ) {
return -6;
}
if( LAPACKE_z_nancheck( n-1, dl, 1 ) ) {
return -5;
}
if( LAPACKE_z_nancheck( n-1, du, 1 ) ) {
return -7;
}
if( LAPACKE_z_nancheck( n-2, du2, 1 ) ) {
return -8;
}
#endif
return LAPACKE_zgttrs_work( matrix_layout, trans, n, nrhs, dl, d, du, du2,
ipiv, b, ldb );
}
lapack_int LAPACKE_zlaset( int matrix_layout, char uplo, lapack_int m,
lapack_int n, lapack_complex_double alpha,
lapack_complex_double beta, lapack_complex_double* a,
lapack_int lda )
{
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zlaset", -1 );
return -1;
}
/*****************************************************************************
* Note: we do not check NaNs in A since the goal of this subroutine is to
* initialized A. It is OK if A has NaNs in input.
*****************************************************************************/
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_z_nancheck( 1, &alpha, 1 ) ) {
return -5;
}
if( LAPACKE_z_nancheck( 1, &beta, 1 ) ) {
return -6;
}
#endif
return LAPACKE_zlaset_work( matrix_layout, uplo, m, n, alpha, beta, a, lda );
}
lapack_int LAPACKE_zlarfx( int matrix_layout, char side, lapack_int m,
lapack_int n, const lapack_complex_double* v,
lapack_complex_double tau, lapack_complex_double* c,
lapack_int ldc, lapack_complex_double* work )
{
lapack_int lv;
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zlarfx", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
if( LAPACKE_get_nancheck() ) {
/* Optionally check input matrices for NaNs */
if( LAPACKE_zge_nancheck( matrix_layout, m, n, c, ldc ) ) {
return -7;
}
if( LAPACKE_z_nancheck( 1, &tau, 1 ) ) {
return -6;
}
lv = (LAPACKE_lsame( side, 'l' ) ? m : n);
if( LAPACKE_z_nancheck( lv, v, 1 ) ) {
return -5;
}
}
#endif
return LAPACKE_zlarfx_work( matrix_layout, side, m, n, v, tau, c, ldc,
work );
}
lapack_int LAPACKE_zgtsv( int matrix_order, lapack_int n, lapack_int nrhs,
lapack_complex_double* dl, lapack_complex_double* d,
lapack_complex_double* du, lapack_complex_double* b,
lapack_int ldb )
{
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zgtsv", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_zge_nancheck( matrix_order, n, nrhs, b, ldb ) ) {
return -7;
}
if( LAPACKE_z_nancheck( n, d, 1 ) ) {
return -5;
}
if( LAPACKE_z_nancheck( n-1, dl, 1 ) ) {
return -4;
}
if( LAPACKE_z_nancheck( n-1, du, 1 ) ) {
return -6;
}
#endif
return LAPACKE_zgtsv_work( matrix_order, n, nrhs, dl, d, du, b, ldb );
}
lapack_int LAPACKE_zgglse( int matrix_order, lapack_int m, lapack_int n,
lapack_int p, lapack_complex_double* a,
lapack_int lda, lapack_complex_double* b,
lapack_int ldb, lapack_complex_double* c,
lapack_complex_double* d, lapack_complex_double* x )
{
lapack_int info = 0;
lapack_int lwork = -1;
lapack_complex_double* work = NULL;
lapack_complex_double work_query;
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zgglse", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_zge_nancheck( matrix_order, m, n, a, lda ) ) {
return -5;
}
if( LAPACKE_zge_nancheck( matrix_order, p, n, b, ldb ) ) {
return -7;
}
if( LAPACKE_z_nancheck( m, c, 1 ) ) {
return -9;
}
if( LAPACKE_z_nancheck( p, d, 1 ) ) {
return -10;
}
#endif
/* Query optimal working array(s) size */
info = LAPACKE_zgglse_work( matrix_order, m, n, p, a, lda, b, ldb, c, d, x,
&work_query, lwork );
if( info != 0 ) {
goto exit_level_0;
}
lwork = LAPACK_Z2INT( work_query );
/* Allocate memory for work arrays */
work = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) * lwork );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_0;
}
/* Call middle-level interface */
info = LAPACKE_zgglse_work( matrix_order, m, n, p, a, lda, b, ldb, c, d, x,
work, lwork );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_zgglse", info );
}
return info;
}
lapack_int LAPACKE_zlarft( int matrix_layout, char direct, char storev,
lapack_int n, lapack_int k,
const lapack_complex_double* v, lapack_int ldv,
const lapack_complex_double* tau,
lapack_complex_double* t, lapack_int ldt )
{
lapack_int ncols_v, nrows_v;
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zlarft", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
ncols_v = LAPACKE_lsame( storev, 'c' ) ? k :
( LAPACKE_lsame( storev, 'r' ) ? n : 1);
nrows_v = LAPACKE_lsame( storev, 'c' ) ? n :
( LAPACKE_lsame( storev, 'r' ) ? k : 1);
if( LAPACKE_z_nancheck( k, tau, 1 ) ) {
return -8;
}
if( LAPACKE_zge_nancheck( matrix_layout, nrows_v, ncols_v, v, ldv ) ) {
return -6;
}
#endif
return LAPACKE_zlarft_work( matrix_layout, direct, storev, n, k, v, ldv, tau,
t, ldt );
}
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;
}
lapack_int LAPACKE_ztfsm( int matrix_layout, char transr, char side, char uplo,
char trans, char diag, lapack_int m, lapack_int n,
lapack_complex_double alpha,
const lapack_complex_double* a,
lapack_complex_double* b, lapack_int ldb )
{
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_ztfsm", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
if( LAPACKE_get_nancheck() ) {
/* Optionally check input matrices for NaNs */
if( IS_Z_NONZERO(alpha) ) {
if( LAPACKE_ztf_nancheck( matrix_layout, transr, uplo, diag, n, a ) ) {
return -10;
}
}
if( LAPACKE_z_nancheck( 1, &alpha, 1 ) ) {
return -9;
}
if( IS_Z_NONZERO(alpha) ) {
if( LAPACKE_zge_nancheck( matrix_layout, m, n, b, ldb ) ) {
return -11;
}
}
}
#endif
return LAPACKE_ztfsm_work( matrix_layout, transr, side, uplo, trans, diag, m,
n, alpha, a, b, ldb );
}
lapack_int LAPACKE_zptcon( lapack_int n, const double* d,
const lapack_complex_double* e, double anorm,
double* rcond )
{
lapack_int info = 0;
double* work = NULL;
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_d_nancheck( 1, &anorm, 1 ) ) {
return -4;
}
if( LAPACKE_d_nancheck( n, d, 1 ) ) {
return -2;
}
if( LAPACKE_z_nancheck( n-1, e, 1 ) ) {
return -3;
}
#endif
/* Allocate memory for working array(s) */
work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_0;
}
/* Call middle-level interface */
info = LAPACKE_zptcon_work( n, d, e, anorm, rcond, work );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_zptcon", info );
}
return info;
}
lapack_logical LAPACKE_ztp_nancheck( int matrix_order, char uplo, char diag,
lapack_int n,
const lapack_complex_double *ap )
{
lapack_int i, len;
lapack_logical colmaj, upper, unit;
if( ap == NULL ) return (lapack_logical) 0;
colmaj = ( matrix_order == LAPACK_COL_MAJOR );
upper = LAPACKE_lsame( uplo, 'u' );
unit = LAPACKE_lsame( diag, 'u' );
if( ( !colmaj && ( matrix_order != LAPACK_ROW_MAJOR ) ) ||
( !upper && !LAPACKE_lsame( uplo, 'l' ) ) ||
( !unit && !LAPACKE_lsame( diag, 'n' ) ) ) {
/* Just exit if any of input parameters are wrong */
return (lapack_logical) 0;
}
if( unit ) {
/* Unit case, diagonal should be excluded from the check for NaN. */
/* Since col_major upper and row_major lower are equal,
* and col_major lower and row_major upper are equals too -
* using one code for equal cases. XOR( colmaj, upper )
*/
if( ( colmaj || upper ) && !( colmaj && upper ) ) {
for( i = 1; i < n; i++ )
if( LAPACKE_z_nancheck( i, &ap[ ((size_t)i+1)*i/2 ], 1 ) )
return (lapack_logical) 1;
} else {
for( i = 0; i < n-1; i++ )
if( LAPACKE_z_nancheck( n-i-1,
&ap[ (size_t)i+1 + i*((size_t)2*n-i+1)/2 ], 1 ) )
return (lapack_logical) 1;
}
return (lapack_logical) 0;
} else {
/* Non-unit case - just check whole array for NaNs. */
len = n*(n+1)/2;
return LAPACKE_z_nancheck( len, ap, 1 );
}
}
lapack_int LAPACKE_zupmtr( int matrix_order, char side, char uplo, char trans,
lapack_int m, lapack_int n,
const lapack_complex_double* ap,
const lapack_complex_double* tau,
lapack_complex_double* c, lapack_int ldc )
{
lapack_int info = 0;
/* Additional scalars declarations for work arrays */
lapack_int lwork;
lapack_complex_double* work = NULL;
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zupmtr", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
lapack_int r = LAPACKE_lsame( side, 'l' ) ? m : n;
if( LAPACKE_zpp_nancheck( r, ap ) ) {
return -7;
}
if( LAPACKE_zge_nancheck( matrix_order, m, n, c, ldc ) ) {
return -9;
}
if( LAPACKE_z_nancheck( m-1, tau, 1 ) ) {
return -8;
}
#endif
/* Additional scalars initializations for work arrays */
if( LAPACKE_lsame( side, 'l' ) ) {
lwork = MAX(1,n);
} else if( LAPACKE_lsame( side, 'r' ) ) {
lwork = MAX(1,m);
} else {
lwork = 1; /* Any value */
}
/* Allocate memory for working array(s) */
work = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) * lwork );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_0;
}
/* Call middle-level interface */
info = LAPACKE_zupmtr_work( matrix_order, side, uplo, trans, m, n, ap, tau,
c, ldc, work );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_zupmtr", info );
}
return info;
}
lapack_int LAPACKE_zunmtr( int matrix_layout, char side, char uplo, char trans,
lapack_int m, lapack_int n,
const lapack_complex_double* a, lapack_int lda,
const lapack_complex_double* tau,
lapack_complex_double* c, lapack_int ldc )
{
lapack_int info = 0;
lapack_int lwork = -1;
lapack_complex_double* work = NULL;
lapack_complex_double work_query;
lapack_int r;
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zunmtr", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
r = LAPACKE_lsame( side, 'l' ) ? m : n;
if( LAPACKE_zge_nancheck( matrix_layout, r, r, a, lda ) ) {
return -7;
}
if( LAPACKE_zge_nancheck( matrix_layout, m, n, c, ldc ) ) {
return -10;
}
if( LAPACKE_z_nancheck( m-1, tau, 1 ) ) {
return -9;
}
#endif
/* Query optimal working array(s) size */
info = LAPACKE_zunmtr_work( matrix_layout, side, uplo, trans, m, n, a, lda,
tau, c, ldc, &work_query, lwork );
if( info != 0 ) {
goto exit_level_0;
}
lwork = LAPACK_Z2INT( work_query );
/* Allocate memory for work arrays */
work = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) * lwork );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_0;
}
/* Call middle-level interface */
info = LAPACKE_zunmtr_work( matrix_layout, side, uplo, trans, m, n, a, lda,
tau, c, ldc, work, lwork );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_zunmtr", info );
}
return info;
}
lapack_logical LAPACKE_zhs_nancheck( int matrix_order, lapack_int n,
const lapack_complex_double *a,
lapack_int lda )
{
lapack_logical subdiag_nans;
if( a == NULL ) return (lapack_logical) 0;
/* Check subdiagonal first */
if( matrix_order == LAPACK_COL_MAJOR ) {
subdiag_nans = LAPACKE_z_nancheck( n-1, &a[1], lda+1 );
} else if ( matrix_order == LAPACK_ROW_MAJOR ) {
subdiag_nans = LAPACKE_z_nancheck( n-1, &a[lda], lda+1 );
} else {
return (lapack_logical) 0;
}
/* Check upper triangular if subdiagonal has no NaNs. */
return subdiag_nans || LAPACKE_ztr_nancheck( matrix_order, 'u', 'n',
n, a, lda);
}
lapack_int LAPACKE_zsyr( int matrix_order, char uplo, lapack_int n,
lapack_complex_double alpha,
const lapack_complex_double* x, lapack_int incx,
lapack_complex_double* a, lapack_int lda )
{
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zsyr", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_zsy_nancheck( matrix_order, uplo, n, a, lda ) ) {
return -7;
}
if( LAPACKE_z_nancheck( 1, &alpha, 1 ) ) {
return -4;
}
if( LAPACKE_z_nancheck( n, x, 1 ) ) {
return -5;
}
#endif
return LAPACKE_zsyr_work( matrix_order, uplo, n, alpha, x, incx, a,
lda );
}
lapack_int LAPACKE_zlarfx( int matrix_order, char side, lapack_int m,
lapack_int n, const lapack_complex_double* v,
lapack_complex_double tau, lapack_complex_double* c,
lapack_int ldc, lapack_complex_double* work )
{
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zlarfx", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_zge_nancheck( matrix_order, m, n, c, ldc ) ) {
return -7;
}
if( LAPACKE_z_nancheck( 1, &tau, 1 ) ) {
return -6;
}
if( LAPACKE_z_nancheck( m, v, 1 ) ) {
return -5;
}
#endif
return LAPACKE_zlarfx_work( matrix_order, side, m, n, v, tau, c, ldc,
work );
}
lapack_int LAPACKE_zungrq( int matrix_layout, lapack_int m, lapack_int n,
lapack_int k, lapack_complex_double* a,
lapack_int lda, const lapack_complex_double* tau )
{
lapack_int info = 0;
lapack_int lwork = -1;
lapack_complex_double* work = NULL;
lapack_complex_double work_query;
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zungrq", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
if( LAPACKE_get_nancheck() ) {
/* Optionally check input matrices for NaNs */
if( LAPACKE_zge_nancheck( matrix_layout, m, n, a, lda ) ) {
return -5;
}
if( LAPACKE_z_nancheck( k, tau, 1 ) ) {
return -7;
}
}
#endif
/* Query optimal working array(s) size */
info = LAPACKE_zungrq_work( matrix_layout, m, n, k, a, lda, tau, &work_query,
lwork );
if( info != 0 ) {
goto exit_level_0;
}
lwork = LAPACK_Z2INT( work_query );
/* Allocate memory for work arrays */
work = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) * lwork );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_0;
}
/* Call middle-level interface */
info = LAPACKE_zungrq_work( matrix_layout, m, n, k, a, lda, tau, work,
lwork );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_zungrq", info );
}
return info;
}
lapack_int LAPACKE_zsytri_3( int matrix_layout, char uplo, lapack_int n,
lapack_complex_double* a, lapack_int lda,
const lapack_complex_double* e, const lapack_int* ipiv )
{
lapack_int info = 0;
lapack_int lwork = -1;
lapack_complex_double* work = NULL;
lapack_complex_double work_query;
lapack_int e_start = LAPACKE_lsame( uplo, 'U' ) ? 1 : 0;
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zsytri_3", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
if( LAPACKE_get_nancheck() ) {
/* Optionally check input matrices for NaNs */
if( LAPACKE_zsy_nancheck( matrix_layout, uplo, n, a, lda ) ) {
return -4;
}
if( LAPACKE_z_nancheck( n-1, e + e_start, 1 ) ) {
return -6;
}
}
#endif
/* Query optimal working array(s) size */
info = LAPACKE_zsytri_3_work( matrix_layout, uplo, n, a, lda, e, ipiv,
&work_query, lwork );
if( info != 0 ) {
goto exit_level_0;
}
lwork = LAPACK_Z2INT( work_query );
/* Allocate memory for working array(s) */
work = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) * lwork );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_0;
}
/* Call middle-level interface */
info = LAPACKE_zsytri_3_work( matrix_layout, uplo, n, a, lda, e, ipiv, work, lwork );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_zsytri_3", info );
}
return info;
}
lapack_int LAPACKE_zpttrs( int matrix_order, char uplo, lapack_int n,
lapack_int nrhs, const double* d,
const lapack_complex_double* e,
lapack_complex_double* b, lapack_int ldb )
{
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zpttrs", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_zge_nancheck( matrix_order, n, nrhs, b, ldb ) ) {
return -7;
}
if( LAPACKE_d_nancheck( n, d, 1 ) ) {
return -5;
}
if( LAPACKE_z_nancheck( n-1, e, 1 ) ) {
return -6;
}
#endif
return LAPACKE_zpttrs_work( matrix_order, uplo, n, nrhs, d, e, b, ldb );
}
lapack_logical LAPACKE_zhp_nancheck( lapack_int n,
const lapack_complex_double *ap )
{
lapack_int len = n*(n+1)/2;
return LAPACKE_z_nancheck( len, ap, 1 );
}
lapack_int LAPACKE_zgtrfs( int matrix_layout, char trans, lapack_int n,
lapack_int nrhs, const lapack_complex_double* dl,
const lapack_complex_double* d,
const lapack_complex_double* du,
const lapack_complex_double* dlf,
const lapack_complex_double* df,
const lapack_complex_double* duf,
const lapack_complex_double* du2,
const lapack_int* ipiv,
const lapack_complex_double* b, lapack_int ldb,
lapack_complex_double* x, lapack_int ldx,
double* ferr, double* berr )
{
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_zgtrfs", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_zge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
return -13;
}
if( LAPACKE_z_nancheck( n, d, 1 ) ) {
return -6;
}
if( LAPACKE_z_nancheck( n, df, 1 ) ) {
return -9;
}
if( LAPACKE_z_nancheck( n-1, dl, 1 ) ) {
return -5;
}
if( LAPACKE_z_nancheck( n-1, dlf, 1 ) ) {
return -8;
}
if( LAPACKE_z_nancheck( n-1, du, 1 ) ) {
return -7;
}
if( LAPACKE_z_nancheck( n-2, du2, 1 ) ) {
return -11;
}
if( LAPACKE_z_nancheck( n-1, duf, 1 ) ) {
return -10;
}
if( LAPACKE_zge_nancheck( matrix_layout, n, nrhs, x, ldx ) ) {
return -15;
}
#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(1,2*n) );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_1;
}
/* Call middle-level interface */
info = LAPACKE_zgtrfs_work( matrix_layout, trans, n, nrhs, dl, d, du, dlf,
df, duf, du2, ipiv, b, ldb, x, ldx, ferr, berr,
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_zgtrfs", info );
}
return info;
}
