LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_sgbbrd()

lapack_int LAPACKE_sgbbrd ( int  matrix_layout,
char  vect,
lapack_int  m,
lapack_int  n,
lapack_int  ncc,
lapack_int  kl,
lapack_int  ku,
float *  ab,
lapack_int  ldab,
float *  d,
float *  e,
float *  q,
lapack_int  ldq,
float *  pt,
lapack_int  ldpt,
float *  c,
lapack_int  ldc 
)

Definition at line 35 of file lapacke_sgbbrd.c.

40{
41 lapack_int info = 0;
42 float* work = NULL;
43 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
44 LAPACKE_xerbla( "LAPACKE_sgbbrd", -1 );
45 return -1;
46 }
47#ifndef LAPACK_DISABLE_NAN_CHECK
48 if( LAPACKE_get_nancheck() ) {
49 /* Optionally check input matrices for NaNs */
50 if( LAPACKE_sgb_nancheck( matrix_layout, m, n, kl, ku, ab, ldab ) ) {
51 return -8;
52 }
53 if( ncc != 0 ) {
54 if( LAPACKE_sge_nancheck( matrix_layout, m, ncc, c, ldc ) ) {
55 return -16;
56 }
57 }
58 }
59#endif
60 /* Allocate memory for working array(s) */
61 work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,2*MAX(m,n)) );
62 if( work == NULL ) {
64 goto exit_level_0;
65 }
66 /* Call middle-level interface */
67 info = LAPACKE_sgbbrd_work( matrix_layout, vect, m, n, ncc, kl, ku, ab, ldab,
68 d, e, q, ldq, pt, ldpt, c, ldc, work );
69 /* Release memory and exit */
70 LAPACKE_free( work );
71exit_level_0:
72 if( info == LAPACK_WORK_MEMORY_ERROR ) {
73 LAPACKE_xerbla( "LAPACKE_sgbbrd", info );
74 }
75 return info;
76}
#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_sgbbrd_work(int matrix_layout, char vect, lapack_int m, lapack_int n, lapack_int ncc, lapack_int kl, lapack_int ku, float *ab, lapack_int ldab, float *d, float *e, float *q, lapack_int ldq, float *pt, lapack_int ldpt, float *c, lapack_int ldc, float *work)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_sge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const float *a, lapack_int lda)
lapack_logical LAPACKE_sgb_nancheck(int matrix_layout, lapack_int m, lapack_int n, lapack_int kl, lapack_int ku, const float *ab, lapack_int ldab)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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