LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_sptcon()

lapack_int LAPACKE_sptcon ( lapack_int  n,
const float *  d,
const float *  e,
float  anorm,
float *  rcond 
)

Definition at line 36 of file lapacke_sptcon.c.

38 {
39  lapack_int info = 0;
40  float* work = NULL;
41 #ifndef LAPACK_DISABLE_NAN_CHECK
42  if( LAPACKE_get_nancheck() ) {
43  /* Optionally check input matrices for NaNs */
44  if( LAPACKE_s_nancheck( 1, &anorm, 1 ) ) {
45  return -4;
46  }
47  if( LAPACKE_s_nancheck( n, d, 1 ) ) {
48  return -2;
49  }
50  if( LAPACKE_s_nancheck( n-1, e, 1 ) ) {
51  return -3;
52  }
53  }
54 #endif
55  /* Allocate memory for working array(s) */
56  work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) );
57  if( work == NULL ) {
59  goto exit_level_0;
60  }
61  /* Call middle-level interface */
62  info = LAPACKE_sptcon_work( n, d, e, anorm, rcond, work );
63  /* Release memory and exit */
64  LAPACKE_free( work );
65 exit_level_0:
66  if( info == LAPACK_WORK_MEMORY_ERROR ) {
67  LAPACKE_xerbla( "LAPACKE_sptcon", info );
68  }
69  return info;
70 }
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
#define LAPACKE_free(p)
Definition: lapacke.h:113
lapack_logical LAPACKE_s_nancheck(lapack_int n, const float *x, lapack_int incx)
lapack_int LAPACKE_sptcon_work(lapack_int n, const float *d, const float *e, float anorm, float *rcond, float *work)
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
int LAPACKE_get_nancheck()
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