LAPACK  3.10.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_cpotrf_work()

lapack_int LAPACKE_cpotrf_work ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_complex_float a,
lapack_int  lda 
)

Definition at line 35 of file lapacke_cpotrf_work.c.

37 {
38  lapack_int info = 0;
39  if( matrix_layout == LAPACK_COL_MAJOR ) {
40  /* Call LAPACK function and adjust info */
41  LAPACK_cpotrf( &uplo, &n, a, &lda, &info );
42  if( info < 0 ) {
43  info = info - 1;
44  }
45  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
46  lapack_int lda_t = MAX(1,n);
47  lapack_complex_float* a_t = NULL;
48  /* Check leading dimension(s) */
49  if( lda < n ) {
50  info = -5;
51  LAPACKE_xerbla( "LAPACKE_cpotrf_work", info );
52  return info;
53  }
54  /* Allocate memory for temporary array(s) */
55  a_t = (lapack_complex_float*)
56  LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,n) );
57  if( a_t == NULL ) {
59  goto exit_level_0;
60  }
61  /* Transpose input matrices */
62  LAPACKE_cpo_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
63  /* Call LAPACK function and adjust info */
64  LAPACK_cpotrf( &uplo, &n, a_t, &lda_t, &info );
65  if( info < 0 ) {
66  info = info - 1;
67  }
68  /* Transpose output matrices */
69  LAPACKE_cpo_trans( LAPACK_COL_MAJOR, uplo, n, a_t, lda_t, a, lda );
70  /* Release memory and exit */
71  LAPACKE_free( a_t );
72 exit_level_0:
73  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
74  LAPACKE_xerbla( "LAPACKE_cpotrf_work", info );
75  }
76  } else {
77  info = -1;
78  LAPACKE_xerbla( "LAPACKE_cpotrf_work", info );
79  }
80  return info;
81 }
#define lapack_int
Definition: lapack.h:83
#define LAPACK_cpotrf(...)
Definition: lapack.h:13372
#define lapack_complex_float
Definition: lapack.h:45
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:56
void LAPACKE_xerbla(const char *name, lapack_int info)
#define MAX(x, y)
Definition: lapacke_utils.h:46
void LAPACKE_cpo_trans(int matrix_layout, char uplo, lapack_int n, const lapack_complex_float *in, lapack_int ldin, lapack_complex_float *out, lapack_int ldout)
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