LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_csycon_3()

lapack_int LAPACKE_csycon_3 ( int  matrix_layout,
char  uplo,
lapack_int  n,
const lapack_complex_float a,
lapack_int  lda,
const lapack_complex_float e,
const lapack_int ipiv,
float  anorm,
float *  rcond 
)

Definition at line 36 of file lapacke_csycon_3.c.

40 {
41  lapack_int info = 0;
42  lapack_complex_float* work = NULL;
43  lapack_int e_start = LAPACKE_lsame( uplo, 'U' ) ? 1 : 0;
44  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
45  LAPACKE_xerbla( "LAPACKE_csycon_3", -1 );
46  return -1;
47  }
48 #ifndef LAPACK_DISABLE_NAN_CHECK
49  if( LAPACKE_get_nancheck() ) {
50  /* Optionally check input matrices for NaNs */
51  if( LAPACKE_csy_nancheck( matrix_layout, uplo, n, a, lda ) ) {
52  return -4;
53  }
54  if( LAPACKE_c_nancheck( n-1, e + e_start, 1 ) ) {
55  return -6;
56  }
57  if( LAPACKE_s_nancheck( 1, &anorm, 1 ) ) {
58  return -8;
59  }
60  }
61 #endif
62  /* Allocate memory for working array(s) */
63  work = (lapack_complex_float*)
64  LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,2*n) );
65  if( work == NULL ) {
67  goto exit_level_0;
68  }
69  /* Call middle-level interface */
70  info = LAPACKE_csycon_3_work( matrix_layout, uplo, n, a, lda, e, ipiv, anorm,
71  rcond, work );
72  /* Release memory and exit */
73  LAPACKE_free( work );
74 exit_level_0:
75  if( info == LAPACK_WORK_MEMORY_ERROR ) {
76  LAPACKE_xerbla( "LAPACKE_csycon_3", info );
77  }
78  return info;
79 }
lapack_int LAPACKE_csycon_3_work(int matrix_layout, char uplo, lapack_int n, const lapack_complex_float *a, lapack_int lda, const lapack_complex_float *e, const lapack_int *ipiv, float anorm, float *rcond, lapack_complex_float *work)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define lapack_complex_float
Definition: lapacke.h:74
lapack_logical LAPACKE_s_nancheck(lapack_int n, const float *x, lapack_int incx)
lapack_logical LAPACKE_csy_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: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
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:36
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
int LAPACKE_get_nancheck()
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