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

Go to the source code of this file.

Functions/Subroutines

lapack_int LAPACKE_cgees (int matrix_order, char jobvs, char sort, LAPACK_C_SELECT1 select, lapack_int n, lapack_complex_float *a, lapack_int lda, lapack_int *sdim, lapack_complex_float *w, lapack_complex_float *vs, lapack_int ldvs)

Function/Subroutine Documentation

lapack_int LAPACKE_cgees ( int  matrix_order,
char  jobvs,
char  sort,
LAPACK_C_SELECT1  select,
lapack_int  n,
lapack_complex_float a,
lapack_int  lda,
lapack_int sdim,
lapack_complex_float w,
lapack_complex_float vs,
lapack_int  ldvs 
)

Definition at line 36 of file lapacke_cgees.c.

{
lapack_int info = 0;
lapack_int lwork = -1;
lapack_logical* bwork = NULL;
float* rwork = NULL;
lapack_complex_float* work = NULL;
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_cgees", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_cge_nancheck( matrix_order, n, n, a, lda ) ) {
return -6;
}
#endif
/* Allocate memory for working array(s) */
if( LAPACKE_lsame( sort, 's' ) ) {
bwork = (lapack_logical*)
LAPACKE_malloc( sizeof(lapack_logical) * MAX(1,n) );
if( bwork == NULL ) {
goto exit_level_0;
}
}
rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) );
if( rwork == NULL ) {
goto exit_level_1;
}
/* Query optimal working array(s) size */
info = LAPACKE_cgees_work( matrix_order, jobvs, sort, select, n, a, lda,
sdim, w, vs, ldvs, &work_query, lwork, rwork,
bwork );
if( info != 0 ) {
goto exit_level_2;
}
lwork = LAPACK_C2INT( work_query );
/* Allocate memory for work arrays */
if( work == NULL ) {
goto exit_level_2;
}
/* Call middle-level interface */
info = LAPACKE_cgees_work( matrix_order, jobvs, sort, select, n, a, lda,
sdim, w, vs, ldvs, work, lwork, rwork, bwork );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_2:
LAPACKE_free( rwork );
exit_level_1:
if( LAPACKE_lsame( sort, 's' ) ) {
LAPACKE_free( bwork );
}
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_cgees", info );
}
return info;
}

Here is the call graph for this function: