LAPACK  3.10.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_cptsv_work()

lapack_int LAPACKE_cptsv_work ( int  matrix_layout,
lapack_int  n,
lapack_int  nrhs,
float *  d,
lapack_complex_float e,
lapack_complex_float b,
lapack_int  ldb 
)

Definition at line 35 of file lapacke_cptsv_work.c.

38 {
39  lapack_int info = 0;
40  if( matrix_layout == LAPACK_COL_MAJOR ) {
41  /* Call LAPACK function and adjust info */
42  LAPACK_cptsv( &n, &nrhs, d, e, b, &ldb, &info );
43  if( info < 0 ) {
44  info = info - 1;
45  }
46  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
47  lapack_int ldb_t = MAX(1,n);
48  lapack_complex_float* b_t = NULL;
49  /* Check leading dimension(s) */
50  if( ldb < nrhs ) {
51  info = -7;
52  LAPACKE_xerbla( "LAPACKE_cptsv_work", info );
53  return info;
54  }
55  /* Allocate memory for temporary array(s) */
56  b_t = (lapack_complex_float*)
58  ldb_t * MAX(1,nrhs) );
59  if( b_t == NULL ) {
61  goto exit_level_0;
62  }
63  /* Transpose input matrices */
64  LAPACKE_cge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
65  /* Call LAPACK function and adjust info */
66  LAPACK_cptsv( &n, &nrhs, d, e, b_t, &ldb_t, &info );
67  if( info < 0 ) {
68  info = info - 1;
69  }
70  /* Transpose output matrices */
71  LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
72  /* Release memory and exit */
73  LAPACKE_free( b_t );
74 exit_level_0:
75  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
76  LAPACKE_xerbla( "LAPACKE_cptsv_work", info );
77  }
78  } else {
79  info = -1;
80  LAPACKE_xerbla( "LAPACKE_cptsv_work", info );
81  }
82  return info;
83 }
void LAPACK_cptsv(lapack_int const *n, lapack_int const *nrhs, float *D, lapack_complex_float *E, lapack_complex_float *B, lapack_int const *ldb, lapack_int *info)
#define lapack_int
Definition: lapack.h:83
#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_cge_trans(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *in, lapack_int ldin, lapack_complex_float *out, lapack_int ldout)
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