OpenRadioss 2025.1.11
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lapacke_sstebz.c File Reference
#include "lapacke_utils.h"

Go to the source code of this file.

Functions

lapack_int LAPACKE_sstebz (char range, char order, lapack_int n, float vl, float vu, lapack_int il, lapack_int iu, float abstol, const float *d, const float *e, lapack_int *m, lapack_int *nsplit, float *w, lapack_int *iblock, lapack_int *isplit)

Function Documentation

◆ LAPACKE_sstebz()

lapack_int LAPACKE_sstebz ( char range,
char order,
lapack_int n,
float vl,
float vu,
lapack_int il,
lapack_int iu,
float abstol,
const float * d,
const float * e,
lapack_int * m,
lapack_int * nsplit,
float * w,
lapack_int * iblock,
lapack_int * isplit )

Definition at line 35 of file lapacke_sstebz.c.

40{
41 lapack_int info = 0;
42 lapack_int* iwork = NULL;
43 float* work = NULL;
44#ifndef LAPACK_DISABLE_NAN_CHECK
45 if( LAPACKE_get_nancheck() ) {
46 /* Optionally check input matrices for NaNs */
47 if( LAPACKE_s_nancheck( 1, &abstol, 1 ) ) {
48 return -8;
49 }
50 if( LAPACKE_s_nancheck( n, d, 1 ) ) {
51 return -9;
52 }
53 if( LAPACKE_s_nancheck( n-1, e, 1 ) ) {
54 return -10;
55 }
56 if( LAPACKE_lsame( range, 'v' ) ) {
57 if( LAPACKE_s_nancheck( 1, &vl, 1 ) ) {
58 return -4;
59 }
60 }
61 if( LAPACKE_lsame( range, 'v' ) ) {
62 if( LAPACKE_s_nancheck( 1, &vu, 1 ) ) {
63 return -5;
64 }
65 }
66 }
67#endif
68 /* Allocate memory for working array(s) */
69 iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,3*n) );
70 if( iwork == NULL ) {
72 goto exit_level_0;
73 }
74 work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,4*n) );
75 if( work == NULL ) {
77 goto exit_level_1;
78 }
79 /* Call middle-level interface */
80 info = LAPACKE_sstebz_work( range, order, n, vl, vu, il, iu, abstol, d, e,
81 m, nsplit, w, iblock, isplit, work, iwork );
82 /* Release memory and exit */
83 LAPACKE_free( work );
84exit_level_1:
85 LAPACKE_free( iwork );
86exit_level_0:
87 if( info == LAPACK_WORK_MEMORY_ERROR ) {
88 LAPACKE_xerbla( "LAPACKE_sstebz", info );
89 }
90 return info;
91}
#define lapack_int
Definition lapack.h:83
#define LAPACK_WORK_MEMORY_ERROR
Definition lapacke.h:55
lapack_int LAPACKE_sstebz_work(char range, char order, lapack_int n, float vl, float vu, lapack_int il, lapack_int iu, float abstol, const float *d, const float *e, lapack_int *m, lapack_int *nsplit, float *w, lapack_int *iblock, lapack_int *isplit, float *work, lapack_int *iwork)
#define LAPACKE_free(p)
Definition lapacke.h:46
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition lapacke.h:43
lapack_logical LAPACKE_lsame(char ca, char cb)
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_s_nancheck(lapack_int n, const float *x, lapack_int incx)
#define MAX(x, y)
n