lapack_int LAPACKE_sppsv_work( int matrix_order, char uplo, lapack_int n,
lapack_int nrhs, float* ap, float* b,
lapack_int ldb )
{
lapack_int info = 0;
if( matrix_order == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_sppsv( &uplo, &n, &nrhs, ap, b, &ldb, &info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_order == LAPACK_ROW_MAJOR ) {
lapack_int ldb_t = MAX(1,n);
float* b_t = NULL;
float* ap_t = NULL;
/* Check leading dimension(s) */
if( ldb < nrhs ) {
info = -7;
LAPACKE_xerbla( "LAPACKE_sppsv_work", info );
return info;
}
/* Allocate memory for temporary array(s) */
b_t = (float*)LAPACKE_malloc( sizeof(float) * ldb_t * MAX(1,nrhs) );
if( b_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_0;
}
ap_t = (float*)
LAPACKE_malloc( sizeof(float) * ( MAX(1,n) * MAX(2,n+1) ) / 2 );
if( ap_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_1;
}
/* Transpose input matrices */
LAPACKE_sge_trans( matrix_order, n, nrhs, b, ldb, b_t, ldb_t );
LAPACKE_spp_trans( matrix_order, uplo, n, ap, ap_t );
/* Call LAPACK function and adjust info */
LAPACK_sppsv( &uplo, &n, &nrhs, ap_t, b_t, &ldb_t, &info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
LAPACKE_spp_trans( LAPACK_COL_MAJOR, uplo, n, ap_t, ap );
/* Release memory and exit */
LAPACKE_free( ap_t );
exit_level_1:
LAPACKE_free( b_t );
exit_level_0:
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_sppsv_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_sppsv_work", info );
}
return info;
}
lapack_int LAPACKE_stpttr_work( int matrix_layout, char uplo, lapack_int n,
const float* ap, float* a, lapack_int lda )
{
lapack_int info = 0;
if( matrix_layout == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_stpttr( &uplo, &n, ap, a, &lda, &info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_layout == LAPACK_ROW_MAJOR ) {
lapack_int lda_t = MAX(1,n);
float* a_t = NULL;
float* ap_t = NULL;
/* Check leading dimension(s) */
if( lda < n ) {
info = -6;
LAPACKE_xerbla( "LAPACKE_stpttr_work", info );
return info;
}
/* Allocate memory for temporary array(s) */
a_t = (float*)LAPACKE_malloc( sizeof(float) * lda_t * MAX(1,n) );
if( a_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_0;
}
ap_t = (float*)
LAPACKE_malloc( sizeof(float) * ( MAX(1,n) * MAX(2,n+1) ) / 2 );
if( ap_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_1;
}
/* Transpose input matrices */
LAPACKE_spp_trans( matrix_layout, uplo, n, ap, ap_t );
/* Call LAPACK function and adjust info */
LAPACK_stpttr( &uplo, &n, ap_t, a_t, &lda_t, &info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, n, a_t, lda_t, a, lda );
/* Release memory and exit */
LAPACKE_free( ap_t );
exit_level_1:
LAPACKE_free( a_t );
exit_level_0:
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_stpttr_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_stpttr_work", info );
}
return info;
}
lapack_int LAPACKE_spptri_work( int matrix_order, char uplo, lapack_int n,
float* ap )
{
lapack_int info = 0;
if( matrix_order == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_spptri( &uplo, &n, ap, &info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_order == LAPACK_ROW_MAJOR ) {
float* ap_t = NULL;
/* Allocate memory for temporary array(s) */
ap_t = (float*)
LAPACKE_malloc( sizeof(float) * ( MAX(1,n) * MAX(2,n+1) ) / 2 );
if( ap_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_0;
}
/* Transpose input matrices */
LAPACKE_spp_trans( matrix_order, uplo, n, ap, ap_t );
/* Call LAPACK function and adjust info */
LAPACK_spptri( &uplo, &n, ap_t, &info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
LAPACKE_spp_trans( LAPACK_COL_MAJOR, uplo, n, ap_t, ap );
/* Release memory and exit */
LAPACKE_free( ap_t );
exit_level_0:
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_spptri_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_spptri_work", info );
}
return info;
}
int main(void)
{
/* Local scalars */
char uplo, uplo_i;
char trans, trans_i;
char diag, diag_i;
lapack_int n, n_i;
lapack_int nrhs, nrhs_i;
lapack_int ldb, ldb_i;
lapack_int ldb_r;
lapack_int ldx, ldx_i;
lapack_int ldx_r;
lapack_int info, info_i;
lapack_int i;
int failed;
/* Local arrays */
float *ap = NULL, *ap_i = NULL;
float *b = NULL, *b_i = NULL;
float *x = NULL, *x_i = NULL;
float *ferr = NULL, *ferr_i = NULL;
float *berr = NULL, *berr_i = NULL;
float *work = NULL, *work_i = NULL;
lapack_int *iwork = NULL, *iwork_i = NULL;
float *ferr_save = NULL;
float *berr_save = NULL;
float *ap_r = NULL;
float *b_r = NULL;
float *x_r = NULL;
/* Iniitialize the scalar parameters */
init_scalars_stprfs( &uplo, &trans, &diag, &n, &nrhs, &ldb, &ldx );
ldb_r = nrhs+2;
ldx_r = nrhs+2;
uplo_i = uplo;
trans_i = trans;
diag_i = diag;
n_i = n;
nrhs_i = nrhs;
ldb_i = ldb;
ldx_i = ldx;
/* Allocate memory for the LAPACK routine arrays */
ap = (float *)LAPACKE_malloc( ((n*(n+1)/2)) * sizeof(float) );
b = (float *)LAPACKE_malloc( ldb*nrhs * sizeof(float) );
x = (float *)LAPACKE_malloc( ldx*nrhs * sizeof(float) );
ferr = (float *)LAPACKE_malloc( nrhs * sizeof(float) );
berr = (float *)LAPACKE_malloc( nrhs * sizeof(float) );
work = (float *)LAPACKE_malloc( 3*n * sizeof(float) );
iwork = (lapack_int *)LAPACKE_malloc( n * sizeof(lapack_int) );
/* Allocate memory for the C interface function arrays */
ap_i = (float *)LAPACKE_malloc( ((n*(n+1)/2)) * sizeof(float) );
b_i = (float *)LAPACKE_malloc( ldb*nrhs * sizeof(float) );
x_i = (float *)LAPACKE_malloc( ldx*nrhs * sizeof(float) );
ferr_i = (float *)LAPACKE_malloc( nrhs * sizeof(float) );
berr_i = (float *)LAPACKE_malloc( nrhs * sizeof(float) );
work_i = (float *)LAPACKE_malloc( 3*n * sizeof(float) );
iwork_i = (lapack_int *)LAPACKE_malloc( n * sizeof(lapack_int) );
/* Allocate memory for the backup arrays */
ferr_save = (float *)LAPACKE_malloc( nrhs * sizeof(float) );
berr_save = (float *)LAPACKE_malloc( nrhs * sizeof(float) );
/* Allocate memory for the row-major arrays */
ap_r = (float *)LAPACKE_malloc( n*(n+1)/2 * sizeof(float) );
b_r = (float *)LAPACKE_malloc( n*(nrhs+2) * sizeof(float) );
x_r = (float *)LAPACKE_malloc( n*(nrhs+2) * sizeof(float) );
/* Initialize input arrays */
init_ap( (n*(n+1)/2), ap );
init_b( ldb*nrhs, b );
init_x( ldx*nrhs, x );
init_ferr( nrhs, ferr );
init_berr( nrhs, berr );
init_work( 3*n, work );
init_iwork( n, iwork );
/* Backup the ouptut arrays */
for( i = 0; i < nrhs; i++ ) {
ferr_save[i] = ferr[i];
}
for( i = 0; i < nrhs; i++ ) {
berr_save[i] = berr[i];
}
/* Call the LAPACK routine */
stprfs_( &uplo, &trans, &diag, &n, &nrhs, ap, b, &ldb, x, &ldx, ferr, berr,
work, iwork, &info );
/* Initialize input data, call the column-major middle-level
* interface to LAPACK routine and check the results */
for( i = 0; i < (n*(n+1)/2); i++ ) {
ap_i[i] = ap[i];
}
for( i = 0; i < ldb*nrhs; i++ ) {
b_i[i] = b[i];
}
for( i = 0; i < ldx*nrhs; i++ ) {
x_i[i] = x[i];
}
for( i = 0; i < nrhs; i++ ) {
ferr_i[i] = ferr_save[i];
}
for( i = 0; i < nrhs; i++ ) {
berr_i[i] = berr_save[i];
}
for( i = 0; i < 3*n; i++ ) {
work_i[i] = work[i];
}
for( i = 0; i < n; i++ ) {
iwork_i[i] = iwork[i];
}
info_i = LAPACKE_stprfs_work( LAPACK_COL_MAJOR, uplo_i, trans_i, diag_i,
n_i, nrhs_i, ap_i, b_i, ldb_i, x_i, ldx_i,
ferr_i, berr_i, work_i, iwork_i );
failed = compare_stprfs( ferr, ferr_i, berr, berr_i, info, info_i, nrhs );
if( failed == 0 ) {
printf( "PASSED: column-major middle-level interface to stprfs\n" );
} else {
printf( "FAILED: column-major middle-level interface to stprfs\n" );
}
/* Initialize input data, call the column-major high-level
* interface to LAPACK routine and check the results */
for( i = 0; i < (n*(n+1)/2); i++ ) {
ap_i[i] = ap[i];
}
for( i = 0; i < ldb*nrhs; i++ ) {
b_i[i] = b[i];
}
for( i = 0; i < ldx*nrhs; i++ ) {
x_i[i] = x[i];
}
for( i = 0; i < nrhs; i++ ) {
ferr_i[i] = ferr_save[i];
}
for( i = 0; i < nrhs; i++ ) {
berr_i[i] = berr_save[i];
}
for( i = 0; i < 3*n; i++ ) {
work_i[i] = work[i];
}
for( i = 0; i < n; i++ ) {
iwork_i[i] = iwork[i];
}
info_i = LAPACKE_stprfs( LAPACK_COL_MAJOR, uplo_i, trans_i, diag_i, n_i,
nrhs_i, ap_i, b_i, ldb_i, x_i, ldx_i, ferr_i,
berr_i );
failed = compare_stprfs( ferr, ferr_i, berr, berr_i, info, info_i, nrhs );
if( failed == 0 ) {
printf( "PASSED: column-major high-level interface to stprfs\n" );
} else {
printf( "FAILED: column-major high-level interface to stprfs\n" );
}
/* Initialize input data, call the row-major middle-level
* interface to LAPACK routine and check the results */
for( i = 0; i < (n*(n+1)/2); i++ ) {
ap_i[i] = ap[i];
}
for( i = 0; i < ldb*nrhs; i++ ) {
b_i[i] = b[i];
}
for( i = 0; i < ldx*nrhs; i++ ) {
x_i[i] = x[i];
}
for( i = 0; i < nrhs; i++ ) {
ferr_i[i] = ferr_save[i];
}
for( i = 0; i < nrhs; i++ ) {
berr_i[i] = berr_save[i];
}
for( i = 0; i < 3*n; i++ ) {
work_i[i] = work[i];
}
for( i = 0; i < n; i++ ) {
iwork_i[i] = iwork[i];
}
LAPACKE_spp_trans( LAPACK_COL_MAJOR, uplo, n, ap_i, ap_r );
LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, nrhs, b_i, ldb, b_r, nrhs+2 );
LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, nrhs, x_i, ldx, x_r, nrhs+2 );
info_i = LAPACKE_stprfs_work( LAPACK_ROW_MAJOR, uplo_i, trans_i, diag_i,
n_i, nrhs_i, ap_r, b_r, ldb_r, x_r, ldx_r,
ferr_i, berr_i, work_i, iwork_i );
failed = compare_stprfs( ferr, ferr_i, berr, berr_i, info, info_i, nrhs );
if( failed == 0 ) {
printf( "PASSED: row-major middle-level interface to stprfs\n" );
} else {
printf( "FAILED: row-major middle-level interface to stprfs\n" );
}
/* Initialize input data, call the row-major high-level
* interface to LAPACK routine and check the results */
for( i = 0; i < (n*(n+1)/2); i++ ) {
ap_i[i] = ap[i];
}
for( i = 0; i < ldb*nrhs; i++ ) {
b_i[i] = b[i];
}
for( i = 0; i < ldx*nrhs; i++ ) {
x_i[i] = x[i];
}
for( i = 0; i < nrhs; i++ ) {
ferr_i[i] = ferr_save[i];
}
for( i = 0; i < nrhs; i++ ) {
berr_i[i] = berr_save[i];
}
for( i = 0; i < 3*n; i++ ) {
work_i[i] = work[i];
}
for( i = 0; i < n; i++ ) {
iwork_i[i] = iwork[i];
}
/* Init row_major arrays */
LAPACKE_spp_trans( LAPACK_COL_MAJOR, uplo, n, ap_i, ap_r );
LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, nrhs, b_i, ldb, b_r, nrhs+2 );
LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, nrhs, x_i, ldx, x_r, nrhs+2 );
info_i = LAPACKE_stprfs( LAPACK_ROW_MAJOR, uplo_i, trans_i, diag_i, n_i,
nrhs_i, ap_r, b_r, ldb_r, x_r, ldx_r, ferr_i,
berr_i );
failed = compare_stprfs( ferr, ferr_i, berr, berr_i, info, info_i, nrhs );
if( failed == 0 ) {
printf( "PASSED: row-major high-level interface to stprfs\n" );
} else {
printf( "FAILED: row-major high-level interface to stprfs\n" );
}
/* Release memory */
if( ap != NULL ) {
LAPACKE_free( ap );
}
if( ap_i != NULL ) {
LAPACKE_free( ap_i );
}
if( ap_r != NULL ) {
LAPACKE_free( ap_r );
}
if( b != NULL ) {
LAPACKE_free( b );
}
if( b_i != NULL ) {
LAPACKE_free( b_i );
}
if( b_r != NULL ) {
LAPACKE_free( b_r );
}
if( x != NULL ) {
LAPACKE_free( x );
}
if( x_i != NULL ) {
LAPACKE_free( x_i );
}
if( x_r != NULL ) {
LAPACKE_free( x_r );
}
if( ferr != NULL ) {
LAPACKE_free( ferr );
}
if( ferr_i != NULL ) {
LAPACKE_free( ferr_i );
}
if( ferr_save != NULL ) {
LAPACKE_free( ferr_save );
}
if( berr != NULL ) {
LAPACKE_free( berr );
}
if( berr_i != NULL ) {
LAPACKE_free( berr_i );
}
if( berr_save != NULL ) {
LAPACKE_free( berr_save );
}
if( work != NULL ) {
LAPACKE_free( work );
}
if( work_i != NULL ) {
LAPACKE_free( work_i );
}
if( iwork != NULL ) {
LAPACKE_free( iwork );
}
if( iwork_i != NULL ) {
LAPACKE_free( iwork_i );
}
return 0;
}
int main(void)
{
/* Local scalars */
char uplo, uplo_i;
lapack_int n, n_i;
lapack_int nrhs, nrhs_i;
lapack_int ldb, ldb_i;
lapack_int ldb_r;
lapack_int info, info_i;
lapack_int i;
int failed;
/* Local arrays */
float *ap = NULL, *ap_i = NULL;
lapack_int *ipiv = NULL, *ipiv_i = NULL;
float *b = NULL, *b_i = NULL;
float *b_save = NULL;
float *ap_r = NULL;
float *b_r = NULL;
/* Iniitialize the scalar parameters */
init_scalars_ssptrs( &uplo, &n, &nrhs, &ldb );
ldb_r = nrhs+2;
uplo_i = uplo;
n_i = n;
nrhs_i = nrhs;
ldb_i = ldb;
/* Allocate memory for the LAPACK routine arrays */
ap = (float *)LAPACKE_malloc( ((n*(n+1)/2)) * sizeof(float) );
ipiv = (lapack_int *)LAPACKE_malloc( n * sizeof(lapack_int) );
b = (float *)LAPACKE_malloc( ldb*nrhs * sizeof(float) );
/* Allocate memory for the C interface function arrays */
ap_i = (float *)LAPACKE_malloc( ((n*(n+1)/2)) * sizeof(float) );
ipiv_i = (lapack_int *)LAPACKE_malloc( n * sizeof(lapack_int) );
b_i = (float *)LAPACKE_malloc( ldb*nrhs * sizeof(float) );
/* Allocate memory for the backup arrays */
b_save = (float *)LAPACKE_malloc( ldb*nrhs * sizeof(float) );
/* Allocate memory for the row-major arrays */
ap_r = (float *)LAPACKE_malloc( n*(n+1)/2 * sizeof(float) );
b_r = (float *)LAPACKE_malloc( n*(nrhs+2) * sizeof(float) );
/* Initialize input arrays */
init_ap( (n*(n+1)/2), ap );
init_ipiv( n, ipiv );
init_b( ldb*nrhs, b );
/* Backup the ouptut arrays */
for( i = 0; i < ldb*nrhs; i++ ) {
b_save[i] = b[i];
}
/* Call the LAPACK routine */
ssptrs_( &uplo, &n, &nrhs, ap, ipiv, b, &ldb, &info );
/* Initialize input data, call the column-major middle-level
* interface to LAPACK routine and check the results */
for( i = 0; i < (n*(n+1)/2); i++ ) {
ap_i[i] = ap[i];
}
for( i = 0; i < n; i++ ) {
ipiv_i[i] = ipiv[i];
}
for( i = 0; i < ldb*nrhs; i++ ) {
b_i[i] = b_save[i];
}
info_i = LAPACKE_ssptrs_work( LAPACK_COL_MAJOR, uplo_i, n_i, nrhs_i, ap_i,
ipiv_i, b_i, ldb_i );
failed = compare_ssptrs( b, b_i, info, info_i, ldb, nrhs );
if( failed == 0 ) {
printf( "PASSED: column-major middle-level interface to ssptrs\n" );
} else {
printf( "FAILED: column-major middle-level interface to ssptrs\n" );
}
/* Initialize input data, call the column-major high-level
* interface to LAPACK routine and check the results */
for( i = 0; i < (n*(n+1)/2); i++ ) {
ap_i[i] = ap[i];
}
for( i = 0; i < n; i++ ) {
ipiv_i[i] = ipiv[i];
}
for( i = 0; i < ldb*nrhs; i++ ) {
b_i[i] = b_save[i];
}
info_i = LAPACKE_ssptrs( LAPACK_COL_MAJOR, uplo_i, n_i, nrhs_i, ap_i,
ipiv_i, b_i, ldb_i );
failed = compare_ssptrs( b, b_i, info, info_i, ldb, nrhs );
if( failed == 0 ) {
printf( "PASSED: column-major high-level interface to ssptrs\n" );
} else {
printf( "FAILED: column-major high-level interface to ssptrs\n" );
}
/* Initialize input data, call the row-major middle-level
* interface to LAPACK routine and check the results */
for( i = 0; i < (n*(n+1)/2); i++ ) {
ap_i[i] = ap[i];
}
for( i = 0; i < n; i++ ) {
ipiv_i[i] = ipiv[i];
}
for( i = 0; i < ldb*nrhs; i++ ) {
b_i[i] = b_save[i];
}
LAPACKE_spp_trans( LAPACK_COL_MAJOR, uplo, n, ap_i, ap_r );
LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, nrhs, b_i, ldb, b_r, nrhs+2 );
info_i = LAPACKE_ssptrs_work( LAPACK_ROW_MAJOR, uplo_i, n_i, nrhs_i, ap_r,
ipiv_i, b_r, ldb_r );
LAPACKE_sge_trans( LAPACK_ROW_MAJOR, n, nrhs, b_r, nrhs+2, b_i, ldb );
failed = compare_ssptrs( b, b_i, info, info_i, ldb, nrhs );
if( failed == 0 ) {
printf( "PASSED: row-major middle-level interface to ssptrs\n" );
} else {
printf( "FAILED: row-major middle-level interface to ssptrs\n" );
}
/* Initialize input data, call the row-major high-level
* interface to LAPACK routine and check the results */
for( i = 0; i < (n*(n+1)/2); i++ ) {
ap_i[i] = ap[i];
}
for( i = 0; i < n; i++ ) {
ipiv_i[i] = ipiv[i];
}
for( i = 0; i < ldb*nrhs; i++ ) {
b_i[i] = b_save[i];
}
/* Init row_major arrays */
LAPACKE_spp_trans( LAPACK_COL_MAJOR, uplo, n, ap_i, ap_r );
LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, nrhs, b_i, ldb, b_r, nrhs+2 );
info_i = LAPACKE_ssptrs( LAPACK_ROW_MAJOR, uplo_i, n_i, nrhs_i, ap_r,
ipiv_i, b_r, ldb_r );
LAPACKE_sge_trans( LAPACK_ROW_MAJOR, n, nrhs, b_r, nrhs+2, b_i, ldb );
failed = compare_ssptrs( b, b_i, info, info_i, ldb, nrhs );
if( failed == 0 ) {
printf( "PASSED: row-major high-level interface to ssptrs\n" );
} else {
printf( "FAILED: row-major high-level interface to ssptrs\n" );
}
/* Release memory */
if( ap != NULL ) {
LAPACKE_free( ap );
}
if( ap_i != NULL ) {
LAPACKE_free( ap_i );
}
if( ap_r != NULL ) {
LAPACKE_free( ap_r );
}
if( ipiv != NULL ) {
LAPACKE_free( ipiv );
}
if( ipiv_i != NULL ) {
LAPACKE_free( ipiv_i );
}
if( b != NULL ) {
LAPACKE_free( b );
}
if( b_i != NULL ) {
LAPACKE_free( b_i );
}
if( b_r != NULL ) {
LAPACKE_free( b_r );
}
if( b_save != NULL ) {
LAPACKE_free( b_save );
}
return 0;
}
lapack_int LAPACKE_sppsvx_work( int matrix_order, char fact, char uplo,
lapack_int n, lapack_int nrhs, float* ap,
float* afp, char* equed, float* s, float* b,
lapack_int ldb, float* x, lapack_int ldx,
float* rcond, float* ferr, float* berr,
float* work, lapack_int* iwork )
{
lapack_int info = 0;
if( matrix_order == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_sppsvx( &fact, &uplo, &n, &nrhs, ap, afp, equed, s, b, &ldb, x,
&ldx, rcond, ferr, berr, work, iwork, &info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_order == LAPACK_ROW_MAJOR ) {
lapack_int ldb_t = MAX(1,n);
lapack_int ldx_t = MAX(1,n);
float* b_t = NULL;
float* x_t = NULL;
float* ap_t = NULL;
float* afp_t = NULL;
/* Check leading dimension(s) */
if( ldb < nrhs ) {
info = -11;
LAPACKE_xerbla( "LAPACKE_sppsvx_work", info );
return info;
}
if( ldx < nrhs ) {
info = -13;
LAPACKE_xerbla( "LAPACKE_sppsvx_work", info );
return info;
}
/* Allocate memory for temporary array(s) */
b_t = (float*)LAPACKE_malloc( sizeof(float) * ldb_t * MAX(1,nrhs) );
if( b_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_0;
}
x_t = (float*)LAPACKE_malloc( sizeof(float) * ldx_t * MAX(1,nrhs) );
if( x_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_1;
}
ap_t = (float*)
LAPACKE_malloc( sizeof(float) * ( MAX(1,n) * MAX(2,n+1) ) / 2 );
if( ap_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_2;
}
afp_t = (float*)
LAPACKE_malloc( sizeof(float) * ( MAX(1,n) * MAX(2,n+1) ) / 2 );
if( afp_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_3;
}
/* Transpose input matrices */
LAPACKE_sge_trans( matrix_order, n, nrhs, b, ldb, b_t, ldb_t );
LAPACKE_spp_trans( matrix_order, uplo, n, ap, ap_t );
if( LAPACKE_lsame( fact, 'f' ) ) {
LAPACKE_spp_trans( matrix_order, uplo, n, afp, afp_t );
}
/* Call LAPACK function and adjust info */
LAPACK_sppsvx( &fact, &uplo, &n, &nrhs, ap_t, afp_t, equed, s, b_t,
&ldb_t, x_t, &ldx_t, rcond, ferr, berr, work, iwork,
&info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
if( LAPACKE_lsame( fact, 'e' ) && LAPACKE_lsame( *equed, 'y' ) ) {
LAPACKE_spp_trans( LAPACK_COL_MAJOR, uplo, n, ap_t, ap );
}
if( LAPACKE_lsame( fact, 'e' ) || LAPACKE_lsame( fact, 'n' ) ) {
LAPACKE_spp_trans( LAPACK_COL_MAJOR, uplo, n, afp_t, afp );
}
/* Release memory and exit */
LAPACKE_free( afp_t );
exit_level_3:
LAPACKE_free( ap_t );
exit_level_2:
LAPACKE_free( x_t );
exit_level_1:
LAPACKE_free( b_t );
exit_level_0:
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_sppsvx_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_sppsvx_work", info );
}
return info;
}
int main(void)
{
/* Local scalars */
char uplo, uplo_i;
lapack_int n, n_i;
lapack_int info, info_i;
lapack_int i;
int failed;
/* Local arrays */
float *ap = NULL, *ap_i = NULL;
float *ap_save = NULL;
float *ap_r = NULL;
/* Iniitialize the scalar parameters */
init_scalars_spptri( &uplo, &n );
uplo_i = uplo;
n_i = n;
/* Allocate memory for the LAPACK routine arrays */
ap = (float *)LAPACKE_malloc( ((n*(n+1)/2)) * sizeof(float) );
/* Allocate memory for the C interface function arrays */
ap_i = (float *)LAPACKE_malloc( ((n*(n+1)/2)) * sizeof(float) );
/* Allocate memory for the backup arrays */
ap_save = (float *)LAPACKE_malloc( ((n*(n+1)/2)) * sizeof(float) );
/* Allocate memory for the row-major arrays */
ap_r = (float *)LAPACKE_malloc( n*(n+1)/2 * sizeof(float) );
/* Initialize input arrays */
init_ap( (n*(n+1)/2), ap );
/* Backup the ouptut arrays */
for( i = 0; i < (n*(n+1)/2); i++ ) {
ap_save[i] = ap[i];
}
/* Call the LAPACK routine */
spptri_( &uplo, &n, ap, &info );
/* Initialize input data, call the column-major middle-level
* interface to LAPACK routine and check the results */
for( i = 0; i < (n*(n+1)/2); i++ ) {
ap_i[i] = ap_save[i];
}
info_i = LAPACKE_spptri_work( LAPACK_COL_MAJOR, uplo_i, n_i, ap_i );
failed = compare_spptri( ap, ap_i, info, info_i, n );
if( failed == 0 ) {
printf( "PASSED: column-major middle-level interface to spptri\n" );
} else {
printf( "FAILED: column-major middle-level interface to spptri\n" );
}
/* Initialize input data, call the column-major high-level
* interface to LAPACK routine and check the results */
for( i = 0; i < (n*(n+1)/2); i++ ) {
ap_i[i] = ap_save[i];
}
info_i = LAPACKE_spptri( LAPACK_COL_MAJOR, uplo_i, n_i, ap_i );
failed = compare_spptri( ap, ap_i, info, info_i, n );
if( failed == 0 ) {
printf( "PASSED: column-major high-level interface to spptri\n" );
} else {
printf( "FAILED: column-major high-level interface to spptri\n" );
}
/* Initialize input data, call the row-major middle-level
* interface to LAPACK routine and check the results */
for( i = 0; i < (n*(n+1)/2); i++ ) {
ap_i[i] = ap_save[i];
}
LAPACKE_spp_trans( LAPACK_COL_MAJOR, uplo, n, ap_i, ap_r );
info_i = LAPACKE_spptri_work( LAPACK_ROW_MAJOR, uplo_i, n_i, ap_r );
LAPACKE_spp_trans( LAPACK_ROW_MAJOR, uplo, n, ap_r, ap_i );
failed = compare_spptri( ap, ap_i, info, info_i, n );
if( failed == 0 ) {
printf( "PASSED: row-major middle-level interface to spptri\n" );
} else {
printf( "FAILED: row-major middle-level interface to spptri\n" );
}
/* Initialize input data, call the row-major high-level
* interface to LAPACK routine and check the results */
for( i = 0; i < (n*(n+1)/2); i++ ) {
ap_i[i] = ap_save[i];
}
/* Init row_major arrays */
LAPACKE_spp_trans( LAPACK_COL_MAJOR, uplo, n, ap_i, ap_r );
info_i = LAPACKE_spptri( LAPACK_ROW_MAJOR, uplo_i, n_i, ap_r );
LAPACKE_spp_trans( LAPACK_ROW_MAJOR, uplo, n, ap_r, ap_i );
failed = compare_spptri( ap, ap_i, info, info_i, n );
if( failed == 0 ) {
printf( "PASSED: row-major high-level interface to spptri\n" );
} else {
printf( "FAILED: row-major high-level interface to spptri\n" );
}
/* Release memory */
if( ap != NULL ) {
LAPACKE_free( ap );
}
if( ap_i != NULL ) {
LAPACKE_free( ap_i );
}
if( ap_r != NULL ) {
LAPACKE_free( ap_r );
}
if( ap_save != NULL ) {
LAPACKE_free( ap_save );
}
return 0;
}
