LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_stbcon_work()

lapack_int LAPACKE_stbcon_work ( int  matrix_layout,
char  norm,
char  uplo,
char  diag,
lapack_int  n,
lapack_int  kd,
const float *  ab,
lapack_int  ldab,
float *  rcond,
float *  work,
lapack_int iwork 
)

Definition at line 35 of file lapacke_stbcon_work.c.

39{
40 lapack_int info = 0;
41 if( matrix_layout == LAPACK_COL_MAJOR ) {
42 /* Call LAPACK function and adjust info */
43 LAPACK_stbcon( &norm, &uplo, &diag, &n, &kd, ab, &ldab, rcond, work,
44 iwork, &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 float* ab_t = NULL;
51 /* Check leading dimension(s) */
52 if( ldab < n ) {
53 info = -8;
54 LAPACKE_xerbla( "LAPACKE_stbcon_work", info );
55 return info;
56 }
57 /* Allocate memory for temporary array(s) */
58 ab_t = (float*)LAPACKE_malloc( sizeof(float) * ldab_t * MAX(1,n) );
59 if( ab_t == NULL ) {
61 goto exit_level_0;
62 }
63 /* Transpose input matrices */
64 LAPACKE_stb_trans( matrix_layout, uplo, diag, n, kd, ab, ldab, ab_t,
65 ldab_t );
66 /* Call LAPACK function and adjust info */
67 LAPACK_stbcon( &norm, &uplo, &diag, &n, &kd, ab_t, &ldab_t, rcond, work,
68 iwork, &info );
69 if( info < 0 ) {
70 info = info - 1;
71 }
72 /* Release memory and exit */
73 LAPACKE_free( ab_t );
74exit_level_0:
75 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
76 LAPACKE_xerbla( "LAPACKE_stbcon_work", info );
77 }
78 } else {
79 info = -1;
80 LAPACKE_xerbla( "LAPACKE_stbcon_work", info );
81 }
82 return info;
83}
#define lapack_int
Definition: lapack.h:87
#define LAPACK_stbcon(...)
Definition: lapack.h:19609
#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_stb_trans(int matrix_layout, char uplo, char diag, lapack_int n, lapack_int kd, const float *in, lapack_int ldin, float *out, lapack_int ldout)
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