lapack_int LAPACKE_zgbtrf_work( int matrix_order, lapack_int m, lapack_int n,
lapack_int kl, lapack_int ku,
lapack_complex_double* ab, lapack_int ldab,
lapack_int* ipiv )
{
lapack_int info = 0;
if( matrix_order == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_zgbtrf( &m, &n, &kl, &ku, ab, &ldab, ipiv, &info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_order == LAPACK_ROW_MAJOR ) {
lapack_int ldab_t = MAX(1,2*kl+ku+1);
lapack_complex_double* ab_t = NULL;
/* Check leading dimension(s) */
if( ldab < n ) {
info = -7;
LAPACKE_xerbla( "LAPACKE_zgbtrf_work", info );
return info;
}
/* Allocate memory for temporary array(s) */
ab_t = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) * ldab_t * MAX(1,n) );
if( ab_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_0;
}
/* Transpose input matrices */
LAPACKE_zgb_trans( matrix_order, m, n, kl, kl+ku, ab, ldab, ab_t,
ldab_t );
/* Call LAPACK function and adjust info */
LAPACK_zgbtrf( &m, &n, &kl, &ku, ab_t, &ldab_t, ipiv, &info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
LAPACKE_zgb_trans( LAPACK_COL_MAJOR, m, n, kl, kl+ku, ab_t, ldab_t, ab,
ldab );
/* Release memory and exit */
LAPACKE_free( ab_t );
exit_level_0:
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_zgbtrf_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_zgbtrf_work", info );
}
return info;
}
void LAPACKE_ztb_trans( int matrix_layout, char uplo, char diag,
lapack_int n, lapack_int kd,
const lapack_complex_double *in, lapack_int ldin,
lapack_complex_double *out, lapack_int ldout )
{
lapack_logical colmaj, upper, unit;
if( in == NULL || out == NULL ) return;
colmaj = ( matrix_layout == LAPACK_COL_MAJOR );
upper = LAPACKE_lsame( uplo, 'u' );
unit = LAPACKE_lsame( diag, 'u' );
if( ( !colmaj && ( matrix_layout != LAPACK_ROW_MAJOR ) ) ||
( !upper && !LAPACKE_lsame( uplo, 'l' ) ) ||
( !unit && !LAPACKE_lsame( diag, 'n' ) ) ) {
/* Just exit if any of input parameters are wrong */
return;
}
if( unit ) {
/* Unit case, diagonal excluded from transposition */
if( colmaj ) {
if( upper ) {
LAPACKE_zgb_trans( matrix_layout, n-1, n-1, 0, kd-1,
&in[ldin], ldin, &out[1], ldout );
} else {
LAPACKE_zgb_trans( matrix_layout, n-1, n-1, kd-1, 0,
&in[1], ldin, &out[ldout], ldout );
}
} else {
if( upper ) {
LAPACKE_zgb_trans( matrix_layout, n-1, n-1, 0, kd-1,
&in[1], ldin, &out[ldout], ldout );
} else {
LAPACKE_zgb_trans( matrix_layout, n-1, n-1, kd-1, 0,
&in[ldin], ldin, &out[1], ldout );
}
}
} else {
/* Non-unit case */
if( upper ) {
LAPACKE_zgb_trans( matrix_layout, n, n, 0, kd, in, ldin, out,
ldout );
} else {
LAPACKE_zgb_trans( matrix_layout, n, n, kd, 0, in, ldin, out,
ldout );
}
}
}
lapack_int LAPACKE_zgbsvxx_work( int matrix_order, char fact, char trans,
lapack_int n, lapack_int kl, lapack_int ku,
lapack_int nrhs, lapack_complex_double* ab,
lapack_int ldab, lapack_complex_double* afb,
lapack_int ldafb, lapack_int* ipiv,
char* equed, double* r, double* c,
lapack_complex_double* b, lapack_int ldb,
lapack_complex_double* x, lapack_int ldx,
double* rcond, double* rpvgrw, double* berr,
lapack_int n_err_bnds, double* err_bnds_norm,
double* err_bnds_comp, lapack_int nparams,
double* params, lapack_complex_double* work,
double* rwork )
{
lapack_int info = 0;
if( matrix_order == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_zgbsvxx( &fact, &trans, &n, &kl, &ku, &nrhs, ab, &ldab, afb,
&ldafb, ipiv, equed, r, c, b, &ldb, x, &ldx, rcond,
rpvgrw, berr, &n_err_bnds, err_bnds_norm, err_bnds_comp,
&nparams, params, work, rwork, &info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_order == LAPACK_ROW_MAJOR ) {
lapack_int ldab_t = MAX(1,kl+ku+1);
lapack_int ldafb_t = MAX(1,2*kl+ku+1);
lapack_int ldb_t = MAX(1,n);
lapack_int ldx_t = MAX(1,n);
lapack_complex_double* ab_t = NULL;
lapack_complex_double* afb_t = NULL;
lapack_complex_double* b_t = NULL;
lapack_complex_double* x_t = NULL;
double* err_bnds_norm_t = NULL;
double* err_bnds_comp_t = NULL;
/* Check leading dimension(s) */
if( ldab < n ) {
info = -9;
LAPACKE_xerbla( "LAPACKE_zgbsvxx_work", info );
return info;
}
if( ldafb < n ) {
info = -11;
LAPACKE_xerbla( "LAPACKE_zgbsvxx_work", info );
return info;
}
if( ldb < nrhs ) {
info = -17;
LAPACKE_xerbla( "LAPACKE_zgbsvxx_work", info );
return info;
}
if( ldx < nrhs ) {
info = -19;
LAPACKE_xerbla( "LAPACKE_zgbsvxx_work", info );
return info;
}
/* Allocate memory for temporary array(s) */
ab_t = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) * ldab_t * MAX(1,n) );
if( ab_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_0;
}
afb_t = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) *
ldafb_t * MAX(1,n) );
if( afb_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_1;
}
b_t = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) *
ldb_t * MAX(1,nrhs) );
if( b_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_2;
}
x_t = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) *
ldx_t * MAX(1,nrhs) );
if( x_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_3;
}
err_bnds_norm_t = (double*)
LAPACKE_malloc( sizeof(double) * nrhs * MAX(1,n_err_bnds) );
if( err_bnds_norm_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_4;
}
err_bnds_comp_t = (double*)
LAPACKE_malloc( sizeof(double) * nrhs * MAX(1,n_err_bnds) );
if( err_bnds_comp_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_5;
}
/* Transpose input matrices */
LAPACKE_zgb_trans( matrix_order, n, n, kl, ku, ab, ldab, ab_t, ldab_t );
if( LAPACKE_lsame( fact, 'f' ) ) {
LAPACKE_zgb_trans( matrix_order, n, n, kl, kl+ku, afb, ldafb, afb_t,
ldafb_t );
}
LAPACKE_zge_trans( matrix_order, n, nrhs, b, ldb, b_t, ldb_t );
/* Call LAPACK function and adjust info */
LAPACK_zgbsvxx( &fact, &trans, &n, &kl, &ku, &nrhs, ab_t, &ldab_t,
afb_t, &ldafb_t, ipiv, equed, r, c, b_t, &ldb_t, x_t,
&ldx_t, rcond, rpvgrw, berr, &n_err_bnds,
err_bnds_norm_t, err_bnds_comp_t, &nparams, params,
work, rwork, &info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
if( LAPACKE_lsame( fact, 'e' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
LAPACKE_lsame( *equed, 'c' ) || LAPACKE_lsame( *equed, 'r' ) ) ) {
LAPACKE_zgb_trans( LAPACK_COL_MAJOR, n, n, kl, ku, ab_t, ldab_t, ab,
ldab );
}
if( LAPACKE_lsame( fact, 'e' ) || LAPACKE_lsame( fact, 'n' ) ) {
LAPACKE_zgb_trans( LAPACK_COL_MAJOR, n, n, kl, kl+ku, afb_t,
ldafb_t, afb, ldafb );
}
if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
LAPACKE_lsame( *equed, 'c' ) || LAPACKE_lsame( *equed, 'r' ) ) ) {
LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
}
LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
LAPACKE_dge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t,
nrhs, err_bnds_norm, nrhs );
LAPACKE_dge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
nrhs, err_bnds_comp, nrhs );
/* Release memory and exit */
LAPACKE_free( err_bnds_comp_t );
exit_level_5:
LAPACKE_free( err_bnds_norm_t );
exit_level_4:
LAPACKE_free( x_t );
exit_level_3:
LAPACKE_free( b_t );
exit_level_2:
LAPACKE_free( afb_t );
exit_level_1:
LAPACKE_free( ab_t );
exit_level_0:
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_zgbsvxx_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_zgbsvxx_work", info );
}
return info;
}
lapack_int LAPACKE_zgbbrd_work( int matrix_layout, char vect, lapack_int m,
lapack_int n, lapack_int ncc, lapack_int kl,
lapack_int ku, lapack_complex_double* ab,
lapack_int ldab, double* d, double* e,
lapack_complex_double* q, lapack_int ldq,
lapack_complex_double* pt, lapack_int ldpt,
lapack_complex_double* c, lapack_int ldc,
lapack_complex_double* work, double* rwork )
{
lapack_int info = 0;
if( matrix_layout == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_zgbbrd( &vect, &m, &n, &ncc, &kl, &ku, ab, &ldab, d, e, q, &ldq,
pt, &ldpt, c, &ldc, work, rwork, &info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_layout == LAPACK_ROW_MAJOR ) {
lapack_int ldab_t = MAX(1,kl+ku+1);
lapack_int ldc_t = MAX(1,m);
lapack_int ldpt_t = MAX(1,n);
lapack_int ldq_t = MAX(1,m);
lapack_complex_double* ab_t = NULL;
lapack_complex_double* q_t = NULL;
lapack_complex_double* pt_t = NULL;
lapack_complex_double* c_t = NULL;
/* Check leading dimension(s) */
if( ldab < n ) {
info = -9;
LAPACKE_xerbla( "LAPACKE_zgbbrd_work", info );
return info;
}
if( ldc < ncc ) {
info = -17;
LAPACKE_xerbla( "LAPACKE_zgbbrd_work", info );
return info;
}
if( ldpt < n ) {
info = -15;
LAPACKE_xerbla( "LAPACKE_zgbbrd_work", info );
return info;
}
if( ldq < m ) {
info = -13;
LAPACKE_xerbla( "LAPACKE_zgbbrd_work", info );
return info;
}
/* Allocate memory for temporary array(s) */
ab_t = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) * ldab_t * MAX(1,n) );
if( ab_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_0;
}
if( LAPACKE_lsame( vect, 'b' ) || LAPACKE_lsame( vect, 'q' ) ) {
q_t = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) *
ldq_t * MAX(1,m) );
if( q_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_1;
}
}
if( LAPACKE_lsame( vect, 'b' ) || LAPACKE_lsame( vect, 'p' ) ) {
pt_t = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) *
ldpt_t * MAX(1,n) );
if( pt_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_2;
}
}
if( ncc != 0 ) {
c_t = (lapack_complex_double*)
LAPACKE_malloc( sizeof(lapack_complex_double) *
ldc_t * MAX(1,ncc) );
if( c_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_3;
}
}
/* Transpose input matrices */
LAPACKE_zgb_trans( matrix_layout, m, n, kl, ku, ab, ldab, ab_t, ldab_t );
if( ncc != 0 ) {
LAPACKE_zge_trans( matrix_layout, m, ncc, c, ldc, c_t, ldc_t );
}
/* Call LAPACK function and adjust info */
LAPACK_zgbbrd( &vect, &m, &n, &ncc, &kl, &ku, ab_t, &ldab_t, d, e, q_t,
&ldq_t, pt_t, &ldpt_t, c_t, &ldc_t, work, rwork, &info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
LAPACKE_zgb_trans( LAPACK_COL_MAJOR, m, n, kl, ku, ab_t, ldab_t, ab,
ldab );
if( LAPACKE_lsame( vect, 'b' ) || LAPACKE_lsame( vect, 'q' ) ) {
LAPACKE_zge_trans( LAPACK_COL_MAJOR, m, m, q_t, ldq_t, q, ldq );
}
if( LAPACKE_lsame( vect, 'b' ) || LAPACKE_lsame( vect, 'p' ) ) {
LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, n, pt_t, ldpt_t, pt, ldpt );
}
if( ncc != 0 ) {
LAPACKE_zge_trans( LAPACK_COL_MAJOR, m, ncc, c_t, ldc_t, c, ldc );
}
/* Release memory and exit */
if( ncc != 0 ) {
LAPACKE_free( c_t );
}
exit_level_3:
if( LAPACKE_lsame( vect, 'b' ) || LAPACKE_lsame( vect, 'p' ) ) {
LAPACKE_free( pt_t );
}
exit_level_2:
if( LAPACKE_lsame( vect, 'b' ) || LAPACKE_lsame( vect, 'q' ) ) {
LAPACKE_free( q_t );
}
exit_level_1:
LAPACKE_free( ab_t );
exit_level_0:
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_zgbbrd_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_zgbbrd_work", info );
}
return info;
}
