LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_chsein()

lapack_int LAPACKE_chsein ( int  matrix_layout,
char  job,
char  eigsrc,
char  initv,
const lapack_logical select,
lapack_int  n,
const lapack_complex_float h,
lapack_int  ldh,
lapack_complex_float w,
lapack_complex_float vl,
lapack_int  ldvl,
lapack_complex_float vr,
lapack_int  ldvr,
lapack_int  mm,
lapack_int m,
lapack_int ifaill,
lapack_int ifailr 
)

Definition at line 35 of file lapacke_chsein.c.

42{
43 lapack_int info = 0;
44 float* rwork = NULL;
45 lapack_complex_float* work = NULL;
46 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
47 LAPACKE_xerbla( "LAPACKE_chsein", -1 );
48 return -1;
49 }
50#ifndef LAPACK_DISABLE_NAN_CHECK
51 if( LAPACKE_get_nancheck() ) {
52 /* Optionally check input matrices for NaNs */
53 if( LAPACKE_cge_nancheck( matrix_layout, n, n, h, ldh ) ) {
54 return -7;
55 }
56 if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'l' ) ) {
57 if( LAPACKE_cge_nancheck( matrix_layout, n, mm, vl, ldvl ) ) {
58 return -10;
59 }
60 }
61 if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'r' ) ) {
62 if( LAPACKE_cge_nancheck( matrix_layout, n, mm, vr, ldvr ) ) {
63 return -12;
64 }
65 }
66 if( LAPACKE_c_nancheck( n, w, 1 ) ) {
67 return -9;
68 }
69 }
70#endif
71 /* Allocate memory for working array(s) */
72 rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) );
73 if( rwork == NULL ) {
75 goto exit_level_0;
76 }
77 work = (lapack_complex_float*)
78 LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,n) * MAX(1,n) );
79 if( work == NULL ) {
81 goto exit_level_1;
82 }
83 /* Call middle-level interface */
84 info = LAPACKE_chsein_work( matrix_layout, job, eigsrc, initv, select, n, h,
85 ldh, w, vl, ldvl, vr, ldvr, mm, m, work, rwork,
86 ifaill, ifailr );
87 /* Release memory and exit */
88 LAPACKE_free( work );
89exit_level_1:
90 LAPACKE_free( rwork );
91exit_level_0:
92 if( info == LAPACK_WORK_MEMORY_ERROR ) {
93 LAPACKE_xerbla( "LAPACKE_chsein", info );
94 }
95 return info;
96}
#define lapack_int
Definition: lapack.h:87
#define lapack_complex_float
Definition: lapack.h:46
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
lapack_int LAPACKE_chsein_work(int matrix_layout, char job, char eigsrc, char initv, const lapack_logical *select, lapack_int n, const lapack_complex_float *h, lapack_int ldh, lapack_complex_float *w, lapack_complex_float *vl, lapack_int ldvl, lapack_complex_float *vr, lapack_int ldvr, lapack_int mm, lapack_int *m, lapack_complex_float *work, float *rwork, lapack_int *ifaill, lapack_int *ifailr)
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:35
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_c_nancheck(lapack_int n, const lapack_complex_float *x, lapack_int incx)
#define MAX(x, y)
Definition: lapacke_utils.h:46
lapack_logical LAPACKE_cge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *a, lapack_int lda)
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