LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_dpbcon_work()

lapack_int LAPACKE_dpbcon_work ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_int  kd,
const double *  ab,
lapack_int  ldab,
double  anorm,
double *  rcond,
double *  work,
lapack_int iwork 
)

Definition at line 35 of file lapacke_dpbcon_work.c.

39{
40 lapack_int info = 0;
41 if( matrix_layout == LAPACK_COL_MAJOR ) {
42 /* Call LAPACK function and adjust info */
43 LAPACK_dpbcon( &uplo, &n, &kd, ab, &ldab, &anorm, rcond, work, iwork,
44 &info );
45 if( info < 0 ) {
46 info = info - 1;
47 }
48 } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
49 lapack_int ldab_t = MAX(1,kd+1);
50 double* ab_t = NULL;
51 /* Check leading dimension(s) */
52 if( ldab < n ) {
53 info = -6;
54 LAPACKE_xerbla( "LAPACKE_dpbcon_work", info );
55 return info;
56 }
57 /* Allocate memory for temporary array(s) */
58 ab_t = (double*)LAPACKE_malloc( sizeof(double) * ldab_t * MAX(1,n) );
59 if( ab_t == NULL ) {
61 goto exit_level_0;
62 }
63 /* Transpose input matrices */
64 LAPACKE_dpb_trans( matrix_layout, uplo, n, kd, ab, ldab, ab_t, ldab_t );
65 /* Call LAPACK function and adjust info */
66 LAPACK_dpbcon( &uplo, &n, &kd, ab_t, &ldab_t, &anorm, rcond, work,
67 iwork, &info );
68 if( info < 0 ) {
69 info = info - 1;
70 }
71 /* Release memory and exit */
72 LAPACKE_free( ab_t );
73exit_level_0:
74 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
75 LAPACKE_xerbla( "LAPACKE_dpbcon_work", info );
76 }
77 } else {
78 info = -1;
79 LAPACKE_xerbla( "LAPACKE_dpbcon_work", info );
80 }
81 return info;
82}
#define LAPACK_dpbcon(...)
Definition: lapack.h:11855
#define lapack_int
Definition: lapack.h:87
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:56
void LAPACKE_xerbla(const char *name, lapack_int info)
#define MAX(x, y)
Definition: lapacke_utils.h:46
void LAPACKE_dpb_trans(int matrix_layout, char uplo, lapack_int n, lapack_int kd, const double *in, lapack_int ldin, double *out, lapack_int ldout)
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