LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
Loading...
Searching...
No Matches

◆ LAPACKE_zggbal()

lapack_int LAPACKE_zggbal ( int  matrix_layout,
char  job,
lapack_int  n,
lapack_complex_double a,
lapack_int  lda,
lapack_complex_double b,
lapack_int  ldb,
lapack_int ilo,
lapack_int ihi,
double *  lscale,
double *  rscale 
)

Definition at line 35 of file lapacke_zggbal.c.

40{
41 lapack_int info = 0;
42 /* Additional scalars declarations for work arrays */
43 lapack_int lwork;
44 double* work = NULL;
45 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
46 LAPACKE_xerbla( "LAPACKE_zggbal", -1 );
47 return -1;
48 }
49#ifndef LAPACK_DISABLE_NAN_CHECK
50 if( LAPACKE_get_nancheck() ) {
51 /* Optionally check input matrices for NaNs */
52 if( LAPACKE_lsame( job, 'p' ) || LAPACKE_lsame( job, 's' ) ||
53 LAPACKE_lsame( job, 'b' ) ) {
54 if( LAPACKE_zge_nancheck( matrix_layout, n, n, a, lda ) ) {
55 return -4;
56 }
57 }
58 if( LAPACKE_lsame( job, 'p' ) || LAPACKE_lsame( job, 's' ) ||
59 LAPACKE_lsame( job, 'b' ) ) {
60 if( LAPACKE_zge_nancheck( matrix_layout, n, n, b, ldb ) ) {
61 return -6;
62 }
63 }
64 }
65#endif
66 /* Additional scalars initializations for work arrays */
67 if( LAPACKE_lsame( job, 's' ) || LAPACKE_lsame( job, 'b' ) ) {
68 lwork = MAX(1,6*n);
69 } else {
70 lwork = 1;
71 }
72 /* Allocate memory for working array(s) */
73 work = (double*)LAPACKE_malloc( sizeof(double) * lwork );
74 if( work == NULL ) {
76 goto exit_level_0;
77 }
78 /* Call middle-level interface */
79 info = LAPACKE_zggbal_work( matrix_layout, job, n, a, lda, b, ldb, ilo, ihi,
80 lscale, rscale, work );
81 /* Release memory and exit */
82 LAPACKE_free( work );
83exit_level_0:
84 if( info == LAPACK_WORK_MEMORY_ERROR ) {
85 LAPACKE_xerbla( "LAPACKE_zggbal", info );
86 }
87 return info;
88}
#define lapack_int
Definition: lapack.h:87
#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
lapack_int LAPACKE_zggbal_work(int matrix_layout, char job, lapack_int n, lapack_complex_double *a, lapack_int lda, lapack_complex_double *b, lapack_int ldb, lapack_int *ilo, lapack_int *ihi, double *lscale, double *rscale, double *work)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
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_zge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda)
#define MAX(x, y)
Definition: lapacke_utils.h:46
Here is the call graph for this function: