LAPACK  3.5.0
LAPACK: Linear Algebra PACKage
 All Classes Files Functions Variables Typedefs Macros
lapacke_cbbcsd_work.c File Reference
#include "lapacke_utils.h"
Include dependency graph for lapacke_cbbcsd_work.c:

Go to the source code of this file.

Functions/Subroutines

lapack_int LAPACKE_cbbcsd_work (int matrix_order, char jobu1, char jobu2, char jobv1t, char jobv2t, char trans, lapack_int m, lapack_int p, lapack_int q, float *theta, float *phi, lapack_complex_float *u1, lapack_int ldu1, lapack_complex_float *u2, lapack_int ldu2, lapack_complex_float *v1t, lapack_int ldv1t, lapack_complex_float *v2t, lapack_int ldv2t, float *b11d, float *b11e, float *b12d, float *b12e, float *b21d, float *b21e, float *b22d, float *b22e, float *rwork, lapack_int lrwork)

Function/Subroutine Documentation

lapack_int LAPACKE_cbbcsd_work ( int  matrix_order,
char  jobu1,
char  jobu2,
char  jobv1t,
char  jobv2t,
char  trans,
lapack_int  m,
lapack_int  p,
lapack_int  q,
float *  theta,
float *  phi,
lapack_complex_float u1,
lapack_int  ldu1,
lapack_complex_float u2,
lapack_int  ldu2,
lapack_complex_float v1t,
lapack_int  ldv1t,
lapack_complex_float v2t,
lapack_int  ldv2t,
float *  b11d,
float *  b11e,
float *  b12d,
float *  b12e,
float *  b21d,
float *  b21e,
float *  b22d,
float *  b22e,
float *  rwork,
lapack_int  lrwork 
)

Definition at line 36 of file lapacke_cbbcsd_work.c.

{
lapack_int info = 0;
if( matrix_order == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_cbbcsd( &jobu1, &jobu2, &jobv1t, &jobv2t, &trans, &m, &p, &q,
theta, phi, u1, &ldu1, u2, &ldu2, v1t, &ldv1t, v2t,
&ldv2t, b11d, b11e, b12d, b12e, b21d, b21e, b22d, b22e,
rwork, &lrwork, &info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_order == LAPACK_ROW_MAJOR ) {
lapack_int nrows_u1 = ( LAPACKE_lsame( jobu1, 'y' ) ? p : 1);
lapack_int nrows_u2 = ( LAPACKE_lsame( jobu2, 'y' ) ? m-p : 1);
lapack_int nrows_v1t = ( LAPACKE_lsame( jobv1t, 'y' ) ? q : 1);
lapack_int nrows_v2t = ( LAPACKE_lsame( jobv2t, 'y' ) ? m-q : 1);
lapack_int ldu1_t = MAX(1,nrows_u1);
lapack_int ldu2_t = MAX(1,nrows_u2);
lapack_int ldv1t_t = MAX(1,nrows_v1t);
lapack_int ldv2t_t = MAX(1,nrows_v2t);
lapack_complex_float* u1_t = NULL;
lapack_complex_float* u2_t = NULL;
lapack_complex_float* v1t_t = NULL;
lapack_complex_float* v2t_t = NULL;
/* Check leading dimension(s) */
if( ldu1 < p ) {
info = -13;
LAPACKE_xerbla( "LAPACKE_cbbcsd_work", info );
return info;
}
if( ldu2 < m-p ) {
info = -15;
LAPACKE_xerbla( "LAPACKE_cbbcsd_work", info );
return info;
}
if( ldv1t < q ) {
info = -17;
LAPACKE_xerbla( "LAPACKE_cbbcsd_work", info );
return info;
}
if( ldv2t < m-q ) {
info = -19;
LAPACKE_xerbla( "LAPACKE_cbbcsd_work", info );
return info;
}
/* Query optimal working array(s) size if requested */
if( lrwork == -1 ) {
LAPACK_cbbcsd( &jobu1, &jobu2, &jobv1t, &jobv2t, &trans, &m, &p, &q,
theta, phi, u1, &ldu1_t, u2, &ldu2_t, v1t, &ldv1t_t,
v2t, &ldv2t_t, b11d, b11e, b12d, b12e, b21d, b21e,
b22d, b22e, rwork, &lrwork, &info );
return (info < 0) ? (info - 1) : info;
}
/* Allocate memory for temporary array(s) */
if( LAPACKE_lsame( jobu1, 'y' ) ) {
ldu1_t * MAX(1,p) );
if( u1_t == NULL ) {
goto exit_level_0;
}
}
if( LAPACKE_lsame( jobu2, 'y' ) ) {
ldu2_t * MAX(1,m-p) );
if( u2_t == NULL ) {
goto exit_level_1;
}
}
if( LAPACKE_lsame( jobv1t, 'y' ) ) {
ldv1t_t * MAX(1,q) );
if( v1t_t == NULL ) {
goto exit_level_2;
}
}
if( LAPACKE_lsame( jobv2t, 'y' ) ) {
ldv2t_t * MAX(1,m-q) );
if( v2t_t == NULL ) {
goto exit_level_3;
}
}
/* Transpose input matrices */
if( LAPACKE_lsame( jobu1, 'y' ) ) {
LAPACKE_cge_trans( matrix_order, nrows_u1, p, u1, ldu1, u1_t,
ldu1_t );
}
if( LAPACKE_lsame( jobu2, 'y' ) ) {
LAPACKE_cge_trans( matrix_order, nrows_u2, m-p, u2, ldu2, u2_t,
ldu2_t );
}
if( LAPACKE_lsame( jobv1t, 'y' ) ) {
LAPACKE_cge_trans( matrix_order, nrows_v1t, q, v1t, ldv1t, v1t_t,
ldv1t_t );
}
if( LAPACKE_lsame( jobv2t, 'y' ) ) {
LAPACKE_cge_trans( matrix_order, nrows_v2t, m-q, v2t, ldv2t, v2t_t,
ldv2t_t );
}
/* Call LAPACK function and adjust info */
LAPACK_cbbcsd( &jobu1, &jobu2, &jobv1t, &jobv2t, &trans, &m, &p, &q,
theta, phi, u1_t, &ldu1_t, u2_t, &ldu2_t, v1t_t,
&ldv1t_t, v2t_t, &ldv2t_t, b11d, b11e, b12d, b12e, b21d,
b21e, b22d, b22e, rwork, &lrwork, &info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
if( LAPACKE_lsame( jobu1, 'y' ) ) {
LAPACKE_cge_trans( LAPACK_COL_MAJOR, nrows_u1, p, u1_t, ldu1_t, u1,
ldu1 );
}
if( LAPACKE_lsame( jobu2, 'y' ) ) {
LAPACKE_cge_trans( LAPACK_COL_MAJOR, nrows_u2, m-p, u2_t, ldu2_t,
u2, ldu2 );
}
if( LAPACKE_lsame( jobv1t, 'y' ) ) {
LAPACKE_cge_trans( LAPACK_COL_MAJOR, nrows_v1t, q, v1t_t, ldv1t_t,
v1t, ldv1t );
}
if( LAPACKE_lsame( jobv2t, 'y' ) ) {
LAPACKE_cge_trans( LAPACK_COL_MAJOR, nrows_v2t, m-q, v2t_t, ldv2t_t,
v2t, ldv2t );
}
/* Release memory and exit */
if( LAPACKE_lsame( jobv2t, 'y' ) ) {
LAPACKE_free( v2t_t );
}
exit_level_3:
if( LAPACKE_lsame( jobv1t, 'y' ) ) {
LAPACKE_free( v1t_t );
}
exit_level_2:
if( LAPACKE_lsame( jobu2, 'y' ) ) {
LAPACKE_free( u2_t );
}
exit_level_1:
if( LAPACKE_lsame( jobu1, 'y' ) ) {
LAPACKE_free( u1_t );
}
exit_level_0:
LAPACKE_xerbla( "LAPACKE_cbbcsd_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_cbbcsd_work", info );
}
return info;
}

Here is the call graph for this function:

Here is the caller graph for this function: