LAPACK  3.10.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_cpocon()

lapack_int LAPACKE_cpocon ( int  matrix_layout,
char  uplo,
lapack_int  n,
const lapack_complex_float a,
lapack_int  lda,
float  anorm,
float *  rcond 
)

Definition at line 35 of file lapacke_cpocon.c.

38 {
39  lapack_int info = 0;
40  float* rwork = NULL;
41  lapack_complex_float* work = NULL;
42  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
43  LAPACKE_xerbla( "LAPACKE_cpocon", -1 );
44  return -1;
45  }
46 #ifndef LAPACK_DISABLE_NAN_CHECK
47  if( LAPACKE_get_nancheck() ) {
48  /* Optionally check input matrices for NaNs */
49  if( LAPACKE_cpo_nancheck( matrix_layout, uplo, n, a, lda ) ) {
50  return -4;
51  }
52  if( LAPACKE_s_nancheck( 1, &anorm, 1 ) ) {
53  return -6;
54  }
55  }
56 #endif
57  /* Allocate memory for working array(s) */
58  rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) );
59  if( rwork == NULL ) {
61  goto exit_level_0;
62  }
63  work = (lapack_complex_float*)
64  LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,2*n) );
65  if( work == NULL ) {
67  goto exit_level_1;
68  }
69  /* Call middle-level interface */
70  info = LAPACKE_cpocon_work( matrix_layout, uplo, n, a, lda, anorm, rcond,
71  work, rwork );
72  /* Release memory and exit */
73  LAPACKE_free( work );
74 exit_level_1:
75  LAPACKE_free( rwork );
76 exit_level_0:
77  if( info == LAPACK_WORK_MEMORY_ERROR ) {
78  LAPACKE_xerbla( "LAPACKE_cpocon", info );
79  }
80  return info;
81 }
#define lapack_int
Definition: lapack.h:83
#define lapack_complex_float
Definition: lapack.h:45
#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
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
lapack_int LAPACKE_cpocon_work(int matrix_layout, char uplo, lapack_int n, const lapack_complex_float *a, lapack_int lda, float anorm, float *rcond, lapack_complex_float *work, float *rwork)
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_s_nancheck(lapack_int n, const float *x, lapack_int incx)
lapack_logical LAPACKE_cpo_nancheck(int matrix_layout, char uplo, lapack_int n, const lapack_complex_float *a, lapack_int lda)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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