LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_cpstrf()

lapack_int LAPACKE_cpstrf ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_complex_float a,
lapack_int  lda,
lapack_int piv,
lapack_int rank,
float  tol 
)

Definition at line 36 of file lapacke_cpstrf.c.

39 {
40  lapack_int info = 0;
41  float* work = NULL;
42  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
43  LAPACKE_xerbla( "LAPACKE_cpstrf", -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, &tol, 1 ) ) {
53  return -8;
54  }
55  }
56 #endif
57  /* Allocate memory for working array(s) */
58  work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,2*n) );
59  if( work == NULL ) {
61  goto exit_level_0;
62  }
63  /* Call middle-level interface */
64  info = LAPACKE_cpstrf_work( matrix_layout, uplo, n, a, lda, piv, rank, tol,
65  work );
66  /* Release memory and exit */
67  LAPACKE_free( work );
68 exit_level_0:
69  if( info == LAPACK_WORK_MEMORY_ERROR ) {
70  LAPACKE_xerbla( "LAPACKE_cpstrf", info );
71  }
72  return info;
73 }
#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
lapack_logical LAPACKE_s_nancheck(lapack_int n, const float *x, lapack_int incx)
lapack_int LAPACKE_cpstrf_work(int matrix_layout, char uplo, lapack_int n, lapack_complex_float *a, lapack_int lda, lapack_int *piv, lapack_int *rank, float tol, float *work)
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
lapack_logical LAPACKE_cpo_nancheck(int matrix_layout, char uplo, lapack_int n, const lapack_complex_float *a, lapack_int lda)
#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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