LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_cppcon()

lapack_int LAPACKE_cppcon ( int  matrix_layout,
char  uplo,
lapack_int  n,
const lapack_complex_float ap,
float  anorm,
float *  rcond 
)

Definition at line 36 of file lapacke_cppcon.c.

39 {
40  lapack_int info = 0;
41  float* rwork = NULL;
42  lapack_complex_float* work = NULL;
43  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
44  LAPACKE_xerbla( "LAPACKE_cppcon", -1 );
45  return -1;
46  }
47 #ifndef LAPACK_DISABLE_NAN_CHECK
48  /* Optionally check input matrices for NaNs */
49  if( LAPACKE_s_nancheck( 1, &anorm, 1 ) ) {
50  return -5;
51  }
52  if( LAPACKE_cpp_nancheck( n, ap ) ) {
53  return -4;
54  }
55 #endif
56  /* Allocate memory for working array(s) */
57  rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) );
58  if( rwork == NULL ) {
60  goto exit_level_0;
61  }
62  work = (lapack_complex_float*)
63  LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,2*n) );
64  if( work == NULL ) {
66  goto exit_level_1;
67  }
68  /* Call middle-level interface */
69  info = LAPACKE_cppcon_work( matrix_layout, uplo, n, ap, anorm, rcond, work,
70  rwork );
71  /* Release memory and exit */
72  LAPACKE_free( work );
73 exit_level_1:
74  LAPACKE_free( rwork );
75 exit_level_0:
76  if( info == LAPACK_WORK_MEMORY_ERROR ) {
77  LAPACKE_xerbla( "LAPACKE_cppcon", info );
78  }
79  return info;
80 }
#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)
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
lapack_int LAPACKE_cppcon_work(int matrix_layout, char uplo, lapack_int n, const lapack_complex_float *ap, float anorm, float *rcond, lapack_complex_float *work, float *rwork)
lapack_logical LAPACKE_cpp_nancheck(lapack_int n, const lapack_complex_float *ap)
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
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