lapack_logical LAPACKE_dpo_nancheck( int matrix_order, char uplo,
lapack_int n,
const double *a,
lapack_int lda )
{
return LAPACKE_dtr_nancheck( matrix_order, uplo, 'n', n, a, lda );
}
lapack_int LAPACKE_dtrrfs( int matrix_layout, char uplo, char trans, char diag,
lapack_int n, lapack_int nrhs, const double* a,
lapack_int lda, const double* b, lapack_int ldb,
const double* x, lapack_int ldx, double* ferr,
double* berr )
{
lapack_int info = 0;
lapack_int* iwork = NULL;
double* work = NULL;
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_dtrrfs", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
if( LAPACKE_get_nancheck() ) {
/* Optionally check input matrices for NaNs */
if( LAPACKE_dtr_nancheck( matrix_layout, uplo, diag, n, a, lda ) ) {
return -7;
}
if( LAPACKE_dge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
return -9;
}
if( LAPACKE_dge_nancheck( matrix_layout, n, nrhs, x, ldx ) ) {
return -11;
}
}
#endif
/* Allocate memory for working array(s) */
iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
if( iwork == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_0;
}
work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,3*n) );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_1;
}
/* Call middle-level interface */
info = LAPACKE_dtrrfs_work( matrix_layout, uplo, trans, diag, n, nrhs, a,
lda, b, ldb, x, ldx, ferr, berr, work, iwork );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_1:
LAPACKE_free( iwork );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_dtrrfs", info );
}
return info;
}
lapack_int LAPACKE_dtrtri( int matrix_layout, char uplo, char diag, lapack_int n,
double* a, lapack_int lda )
{
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_dtrtri", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
if( LAPACKE_get_nancheck() ) {
/* Optionally check input matrices for NaNs */
if( LAPACKE_dtr_nancheck( matrix_layout, uplo, diag, n, a, lda ) ) {
return -5;
}
}
#endif
return LAPACKE_dtrtri_work( matrix_layout, uplo, diag, n, a, lda );
}
lapack_int LAPACKE_dtrtrs( int matrix_order, char uplo, char trans, char diag,
lapack_int n, lapack_int nrhs, const double* a,
lapack_int lda, double* b, lapack_int ldb )
{
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_dtrtrs", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_dtr_nancheck( matrix_order, uplo, diag, n, a, lda ) ) {
return -7;
}
if( LAPACKE_dge_nancheck( matrix_order, n, nrhs, b, ldb ) ) {
return -9;
}
#endif
return LAPACKE_dtrtrs_work( matrix_order, uplo, trans, diag, n, nrhs, a,
lda, b, ldb );
}
double LAPACKE_dlantr( int matrix_layout, char norm, char uplo, char diag,
lapack_int m, lapack_int n, const double* a,
lapack_int lda )
{
lapack_int info = 0;
double res = 0.;
double* work = NULL;
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_dlantr", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_dtr_nancheck( matrix_layout, uplo, diag, n, a, lda ) ) {
return -7;
}
#endif
/* Allocate memory for working array(s) */
if( LAPACKE_lsame( norm, 'i' ) || LAPACKE_lsame( norm, '1' ) ||
LAPACKE_lsame( norm, '0' ) ) {
work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,m) );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_0;
}
}
/* Call middle-level interface */
res = LAPACKE_dlantr_work( matrix_layout, norm, uplo, diag, m, n, a, lda,
work );
/* Release memory and exit */
if( LAPACKE_lsame( norm, 'i' ) || LAPACKE_lsame( norm, '1' ) ||
LAPACKE_lsame( norm, '0' ) ) {
LAPACKE_free( work );
}
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_dlantr", info );
}
return res;
}
