LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_cppcon_work()

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 
)

Definition at line 36 of file lapacke_cppcon_work.c.

40 {
41  lapack_int info = 0;
42  if( matrix_layout == LAPACK_COL_MAJOR ) {
43  /* Call LAPACK function and adjust info */
44  LAPACK_cppcon( &uplo, &n, ap, &anorm, rcond, work, rwork, &info );
45  if( info < 0 ) {
46  info = info - 1;
47  }
48  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
49  lapack_complex_float* ap_t = NULL;
50  /* Allocate memory for temporary array(s) */
51  ap_t = (lapack_complex_float*)
53  ( MAX(1,n) * MAX(2,n+1) ) / 2 );
54  if( ap_t == NULL ) {
56  goto exit_level_0;
57  }
58  /* Transpose input matrices */
59  LAPACKE_cpp_trans( matrix_layout, uplo, n, ap, ap_t );
60  /* Call LAPACK function and adjust info */
61  LAPACK_cppcon( &uplo, &n, ap_t, &anorm, rcond, work, rwork, &info );
62  if( info < 0 ) {
63  info = info - 1;
64  }
65  /* Release memory and exit */
66  LAPACKE_free( ap_t );
67 exit_level_0:
68  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
69  LAPACKE_xerbla( "LAPACKE_cppcon_work", info );
70  }
71  } else {
72  info = -1;
73  LAPACKE_xerbla( "LAPACKE_cppcon_work", info );
74  }
75  return info;
76 }
void LAPACKE_cpp_trans(int matrix_layout, char uplo, lapack_int n, const lapack_complex_float *in, lapack_complex_float *out)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define lapack_complex_float
Definition: lapacke.h:74
void LAPACK_cppcon(char *uplo, lapack_int *n, const lapack_complex_float *ap, float *anorm, float *rcond, lapack_complex_float *work, float *rwork, lapack_int *info)
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:123
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