LAPACK  3.5.0
LAPACK: Linear Algebra PACKage
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lapacke_ctrsen.c File Reference
#include "lapacke_utils.h"
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Functions/Subroutines

lapack_int LAPACKE_ctrsen (int matrix_order, char job, char compq, const lapack_logical *select, lapack_int n, lapack_complex_float *t, lapack_int ldt, lapack_complex_float *q, lapack_int ldq, lapack_complex_float *w, lapack_int *m, float *s, float *sep)

Function/Subroutine Documentation

lapack_int LAPACKE_ctrsen ( int  matrix_order,
char  job,
char  compq,
const lapack_logical select,
lapack_int  n,
lapack_complex_float t,
lapack_int  ldt,
lapack_complex_float q,
lapack_int  ldq,
lapack_complex_float w,
lapack_int m,
float *  s,
float *  sep 
)

Definition at line 36 of file lapacke_ctrsen.c.

{
lapack_int info = 0;
lapack_int lwork = -1;
lapack_complex_float* work = NULL;
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_ctrsen", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_lsame( compq, 'v' ) ) {
if( LAPACKE_cge_nancheck( matrix_order, n, n, q, ldq ) ) {
return -8;
}
}
if( LAPACKE_cge_nancheck( matrix_order, n, n, t, ldt ) ) {
return -6;
}
#endif
/* Query optimal working array(s) size */
info = LAPACKE_ctrsen_work( matrix_order, job, compq, select, n, t, ldt, q,
ldq, w, m, s, sep, &work_query, lwork );
if( info != 0 ) {
goto exit_level_0;
}
lwork = LAPACK_C2INT( work_query );
/* Allocate memory for work arrays */
if( work == NULL ) {
goto exit_level_0;
}
/* Call middle-level interface */
info = LAPACKE_ctrsen_work( matrix_order, job, compq, select, n, t, ldt, q,
ldq, w, m, s, sep, work, lwork );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_ctrsen", info );
}
return info;
}

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