LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_cptcon()

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

Definition at line 36 of file lapacke_cptcon.c.

39 {
40  lapack_int info = 0;
41  float* work = NULL;
42 #ifndef LAPACK_DISABLE_NAN_CHECK
43  if( LAPACKE_get_nancheck() ) {
44  /* Optionally check input matrices for NaNs */
45  if( LAPACKE_s_nancheck( 1, &anorm, 1 ) ) {
46  return -4;
47  }
48  if( LAPACKE_s_nancheck( n, d, 1 ) ) {
49  return -2;
50  }
51  if( LAPACKE_c_nancheck( n-1, e, 1 ) ) {
52  return -3;
53  }
54  }
55 #endif
56  /* Allocate memory for working array(s) */
57  work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) );
58  if( work == NULL ) {
60  goto exit_level_0;
61  }
62  /* Call middle-level interface */
63  info = LAPACKE_cptcon_work( n, d, e, anorm, rcond, work );
64  /* Release memory and exit */
65  LAPACKE_free( work );
66 exit_level_0:
67  if( info == LAPACK_WORK_MEMORY_ERROR ) {
68  LAPACKE_xerbla( "LAPACKE_cptcon", info );
69  }
70  return info;
71 }
lapack_int LAPACKE_cptcon_work(lapack_int n, const float *d, const lapack_complex_float *e, float anorm, float *rcond, float *work)
#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)
#define MAX(x, y)
Definition: lapacke_utils.h:47
lapack_logical LAPACKE_c_nancheck(lapack_int n, const lapack_complex_float *x, lapack_int incx)
#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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