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

Go to the source code of this file.

Functions/Subroutines

lapack_int LAPACKE_strsen (int matrix_order, char job, char compq, const lapack_logical *select, lapack_int n, float *t, lapack_int ldt, float *q, lapack_int ldq, float *wr, float *wi, lapack_int *m, float *s, float *sep)

Function/Subroutine Documentation

lapack_int LAPACKE_strsen ( int  matrix_order,
char  job,
char  compq,
const lapack_logical select,
lapack_int  n,
float *  t,
lapack_int  ldt,
float *  q,
lapack_int  ldq,
float *  wr,
float *  wi,
lapack_int m,
float *  s,
float *  sep 
)

Definition at line 36 of file lapacke_strsen.c.

{
lapack_int info = 0;
lapack_int liwork = -1;
lapack_int lwork = -1;
lapack_int* iwork = NULL;
float* work = NULL;
lapack_int iwork_query;
float work_query;
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_strsen", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_lsame( compq, 'v' ) ) {
if( LAPACKE_sge_nancheck( matrix_order, n, n, q, ldq ) ) {
return -8;
}
}
if( LAPACKE_sge_nancheck( matrix_order, n, n, t, ldt ) ) {
return -6;
}
#endif
/* Query optimal working array(s) size */
info = LAPACKE_strsen_work( matrix_order, job, compq, select, n, t, ldt, q,
ldq, wr, wi, m, s, sep, &work_query, lwork,
&iwork_query, liwork );
if( info != 0 ) {
goto exit_level_0;
}
liwork = (lapack_int)iwork_query;
lwork = (lapack_int)work_query;
/* Allocate memory for work arrays */
if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'v' ) ) {
iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * liwork );
if( iwork == NULL ) {
goto exit_level_0;
}
}
work = (float*)LAPACKE_malloc( sizeof(float) * lwork );
if( work == NULL ) {
goto exit_level_1;
}
/* Call middle-level interface */
info = LAPACKE_strsen_work( matrix_order, job, compq, select, n, t, ldt, q,
ldq, wr, wi, m, s, sep, work, lwork, iwork,
liwork );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_1:
if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'v' ) ) {
LAPACKE_free( iwork );
}
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_strsen", info );
}
return info;
}

Here is the call graph for this function: