lapack_int LAPACKE_dspgst_work( int matrix_order, lapack_int itype, char uplo,
lapack_int n, double* ap, const double* bp )
{
lapack_int info = 0;
if( matrix_order == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_dspgst( &itype, &uplo, &n, ap, bp, &info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_order == LAPACK_ROW_MAJOR ) {
double* ap_t = NULL;
double* bp_t = NULL;
/* Allocate memory for temporary array(s) */
ap_t = (double*)
LAPACKE_malloc( sizeof(double) * ( MAX(1,n) * MAX(2,n+1) ) / 2 );
if( ap_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_0;
}
bp_t = (double*)
LAPACKE_malloc( sizeof(double) * ( MAX(1,n) * MAX(2,n+1) ) / 2 );
if( bp_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_1;
}
/* Transpose input matrices */
LAPACKE_dsp_trans( matrix_order, uplo, n, ap, ap_t );
LAPACKE_dsp_trans( matrix_order, uplo, n, bp, bp_t );
/* Call LAPACK function and adjust info */
LAPACK_dspgst( &itype, &uplo, &n, ap_t, bp_t, &info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
LAPACKE_dsp_trans( LAPACK_COL_MAJOR, uplo, n, ap_t, ap );
/* Release memory and exit */
LAPACKE_free( bp_t );
exit_level_1:
LAPACKE_free( ap_t );
exit_level_0:
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_dspgst_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_dspgst_work", info );
}
return info;
}
lapack_int LAPACKE_dopgtr_work( int matrix_order, char uplo, lapack_int n,
const double* ap, const double* tau, double* q,
lapack_int ldq, double* work )
{
lapack_int info = 0;
lapack_int ldq_t;
double *q_t = NULL, *ap_t = NULL;
if( matrix_order == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_dopgtr( &uplo, &n, ap, tau, q, &ldq, work, &info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_order == LAPACK_ROW_MAJOR ) {
ldq_t = MAX(1,n);
/* Check leading dimension(s) */
if( ldq < n ) {
info = -7;
LAPACKE_xerbla( "LAPACKE_dopgtr_work", info );
return info;
}
/* Allocate memory for temporary array(s) */
q_t = (double*)LAPACKE_malloc( sizeof(double) * ldq_t * MAX(1,n) );
if( q_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_0;
}
ap_t = (double*)
LAPACKE_malloc( sizeof(double) * ( 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_dsp_trans( matrix_order, uplo, n, ap, ap_t );
/* Call LAPACK function and adjust info */
LAPACK_dopgtr( &uplo, &n, ap_t, tau, q_t, &ldq_t, work, &info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
LAPACKE_dge_trans( LAPACK_COL_MAJOR, n, n, q_t, ldq_t, q, ldq );
/* Release memory and exit */
LAPACKE_free( ap_t );
exit_level_1:
LAPACKE_free( q_t );
exit_level_0:
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_dopgtr_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_dopgtr_work", info );
}
return info;
}
lapack_int LAPACKE_dspgv_work( int matrix_order, lapack_int itype, char jobz,
char uplo, lapack_int n, double* ap, double* bp,
double* w, double* z, lapack_int ldz,
double* work )
{
lapack_int info = 0;
if( matrix_order == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_dspgv( &itype, &jobz, &uplo, &n, ap, bp, w, z, &ldz, work,
&info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_order == LAPACK_ROW_MAJOR ) {
lapack_int ldz_t = MAX(1,n);
double* z_t = NULL;
double* ap_t = NULL;
double* bp_t = NULL;
/* Check leading dimension(s) */
if( ldz < n ) {
info = -10;
LAPACKE_xerbla( "LAPACKE_dspgv_work", info );
return info;
}
/* Allocate memory for temporary array(s) */
if( LAPACKE_lsame( jobz, 'v' ) ) {
z_t = (double*)LAPACKE_malloc( sizeof(double) * ldz_t * MAX(1,n) );
if( z_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_0;
}
}
ap_t = (double*)
LAPACKE_malloc( sizeof(double) * ( MAX(1,n) * MAX(2,n+1) ) / 2 );
if( ap_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_1;
}
bp_t = (double*)
LAPACKE_malloc( sizeof(double) * ( MAX(1,n) * MAX(2,n+1) ) / 2 );
if( bp_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_2;
}
/* Transpose input matrices */
LAPACKE_dsp_trans( matrix_order, uplo, n, ap, ap_t );
LAPACKE_dsp_trans( matrix_order, uplo, n, bp, bp_t );
/* Call LAPACK function and adjust info */
LAPACK_dspgv( &itype, &jobz, &uplo, &n, ap_t, bp_t, w, z_t, &ldz_t,
work, &info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
if( LAPACKE_lsame( jobz, 'v' ) ) {
LAPACKE_dge_trans( LAPACK_COL_MAJOR, n, n, z_t, ldz_t, z, ldz );
}
LAPACKE_dsp_trans( LAPACK_COL_MAJOR, uplo, n, ap_t, ap );
LAPACKE_dsp_trans( LAPACK_COL_MAJOR, uplo, n, bp_t, bp );
/* Release memory and exit */
LAPACKE_free( bp_t );
exit_level_2:
LAPACKE_free( ap_t );
exit_level_1:
if( LAPACKE_lsame( jobz, 'v' ) ) {
LAPACKE_free( z_t );
}
exit_level_0:
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_dspgv_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_dspgv_work", info );
}
return info;
}
lapack_int LAPACKE_dopmtr_work( int matrix_order, char side, char uplo,
char trans, lapack_int m, lapack_int n,
const double* ap, const double* tau, double* c,
lapack_int ldc, double* work )
{
lapack_int info = 0;
if( matrix_order == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_dopmtr( &side, &uplo, &trans, &m, &n, ap, tau, c, &ldc, work,
&info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_order == LAPACK_ROW_MAJOR ) {
lapack_int r = LAPACKE_lsame( side, 'l' ) ? m : n;
lapack_int ldc_t = MAX(1,m);
double* c_t = NULL;
double* ap_t = NULL;
/* Check leading dimension(s) */
if( ldc < n ) {
info = -10;
LAPACKE_xerbla( "LAPACKE_dopmtr_work", info );
return info;
}
/* Allocate memory for temporary array(s) */
c_t = (double*)LAPACKE_malloc( sizeof(double) * ldc_t * MAX(1,n) );
if( c_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_0;
}
ap_t = (double*)
LAPACKE_malloc( sizeof(double) * ( MAX(1,r) * MAX(2,r+1) ) / 2 );
if( ap_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_1;
}
/* Transpose input matrices */
LAPACKE_dge_trans( matrix_order, m, n, c, ldc, c_t, ldc_t );
LAPACKE_dsp_trans( matrix_order, uplo, r, ap, ap_t );
/* Call LAPACK function and adjust info */
LAPACK_dopmtr( &side, &uplo, &trans, &m, &n, ap_t, tau, c_t, &ldc_t,
work, &info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
LAPACKE_dge_trans( LAPACK_COL_MAJOR, m, n, c_t, ldc_t, c, ldc );
/* Release memory and exit */
LAPACKE_free( ap_t );
exit_level_1:
LAPACKE_free( c_t );
exit_level_0:
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_dopmtr_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_dopmtr_work", info );
}
return info;
}
lapack_int LAPACKE_dsprfs_work( int matrix_order, char uplo, lapack_int n,
lapack_int nrhs, const double* ap,
const double* afp, const lapack_int* ipiv,
const double* b, lapack_int ldb, double* x,
lapack_int ldx, double* ferr, double* berr,
double* work, lapack_int* iwork )
{
lapack_int info = 0;
if( matrix_order == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_dsprfs( &uplo, &n, &nrhs, ap, afp, ipiv, b, &ldb, x, &ldx, 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);
double* b_t = NULL;
double* x_t = NULL;
double* ap_t = NULL;
double* afp_t = NULL;
/* Check leading dimension(s) */
if( ldb < nrhs ) {
info = -9;
LAPACKE_xerbla( "LAPACKE_dsprfs_work", info );
return info;
}
if( ldx < nrhs ) {
info = -11;
LAPACKE_xerbla( "LAPACKE_dsprfs_work", info );
return info;
}
/* Allocate memory for temporary array(s) */
b_t = (double*)LAPACKE_malloc( sizeof(double) * ldb_t * MAX(1,nrhs) );
if( b_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_0;
}
x_t = (double*)LAPACKE_malloc( sizeof(double) * ldx_t * MAX(1,nrhs) );
if( x_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_1;
}
ap_t = (double*)
LAPACKE_malloc( sizeof(double) * ( MAX(1,n) * MAX(2,n+1) ) / 2 );
if( ap_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_2;
}
afp_t = (double*)
LAPACKE_malloc( sizeof(double) * ( 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_dge_trans( matrix_order, n, nrhs, b, ldb, b_t, ldb_t );
LAPACKE_dge_trans( matrix_order, n, nrhs, x, ldx, x_t, ldx_t );
LAPACKE_dsp_trans( matrix_order, uplo, n, ap, ap_t );
LAPACKE_dsp_trans( matrix_order, uplo, n, afp, afp_t );
/* Call LAPACK function and adjust info */
LAPACK_dsprfs( &uplo, &n, &nrhs, ap_t, afp_t, ipiv, b_t, &ldb_t, x_t,
&ldx_t, ferr, berr, work, iwork, &info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
LAPACKE_dge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
/* 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_dsprfs_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_dsprfs_work", info );
}
return info;
}
