lapack_int LAPACKE_dposvx( int matrix_layout, char fact, char uplo, lapack_int n,
lapack_int nrhs, double* a, lapack_int lda,
double* af, lapack_int ldaf, char* equed, double* s,
double* b, lapack_int ldb, double* x, lapack_int ldx,
double* rcond, 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_dposvx", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
if( LAPACKE_get_nancheck() ) {
/* Optionally check input matrices for NaNs */
if( LAPACKE_dpo_nancheck( matrix_layout, uplo, n, a, lda ) ) {
return -6;
}
if( LAPACKE_lsame( fact, 'f' ) ) {
if( LAPACKE_dpo_nancheck( matrix_layout, uplo, n, af, ldaf ) ) {
return -8;
}
}
if( LAPACKE_dge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
return -12;
}
if( LAPACKE_lsame( fact, 'f' ) && LAPACKE_lsame( *equed, 'y' ) ) {
if( LAPACKE_d_nancheck( n, s, 1 ) ) {
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_dposvx_work( matrix_layout, fact, uplo, n, nrhs, a, lda, af,
ldaf, equed, s, b, ldb, x, ldx, rcond, 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_dposvx", info );
}
return info;
}
lapack_int LAPACKE_dporfs( int matrix_layout, char uplo, lapack_int n,
lapack_int nrhs, const double* a, lapack_int lda,
const double* af, lapack_int ldaf, const double* b,
lapack_int ldb, 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_dporfs", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_dpo_nancheck( matrix_layout, uplo, n, a, lda ) ) {
return -5;
}
if( LAPACKE_dpo_nancheck( matrix_layout, uplo, n, af, ldaf ) ) {
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_dporfs_work( matrix_layout, uplo, n, nrhs, a, lda, af, ldaf,
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_dporfs", info );
}
return info;
}
lapack_int LAPACKE_dsposv( int matrix_order, char uplo, lapack_int n,
lapack_int nrhs, double* a, lapack_int lda,
double* b, lapack_int ldb, double* x, lapack_int ldx,
lapack_int* iter )
{
lapack_int info = 0;
float* swork = NULL;
double* work = NULL;
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_dsposv", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_dpo_nancheck( matrix_order, uplo, n, a, lda ) ) {
return -5;
}
if( LAPACKE_dge_nancheck( matrix_order, n, nrhs, b, ldb ) ) {
return -7;
}
#endif
/* Allocate memory for working array(s) */
swork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) * MAX(1,n+nrhs) );
if( swork == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_0;
}
work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) * MAX(1,nrhs) );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_1;
}
/* Call middle-level interface */
info = LAPACKE_dsposv_work( matrix_order, uplo, n, nrhs, a, lda, b, ldb, x,
ldx, work, swork, iter );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_1:
LAPACKE_free( swork );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_dsposv", info );
}
return info;
}
lapack_int LAPACKE_dposv( int matrix_order, char uplo, lapack_int n,
lapack_int nrhs, double* a, lapack_int lda, double* b,
lapack_int ldb )
{
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_dposv", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_dpo_nancheck( matrix_order, uplo, n, a, lda ) ) {
return -5;
}
if( LAPACKE_dge_nancheck( matrix_order, n, nrhs, b, ldb ) ) {
return -7;
}
#endif
return LAPACKE_dposv_work( matrix_order, uplo, n, nrhs, a, lda, b, ldb );
}