LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_sgeequb_work()

lapack_int LAPACKE_sgeequb_work ( int  matrix_layout,
lapack_int  m,
lapack_int  n,
const float *  a,
lapack_int  lda,
float *  r,
float *  c,
float *  rowcnd,
float *  colcnd,
float *  amax 
)

Definition at line 36 of file lapacke_sgeequb_work.c.

40 {
41  lapack_int info = 0;
42  if( matrix_layout == LAPACK_COL_MAJOR ) {
43  /* Call LAPACK function and adjust info */
44  LAPACK_sgeequb( &m, &n, a, &lda, r, c, rowcnd, colcnd, amax, &info );
45  if( info < 0 ) {
46  info = info - 1;
47  }
48  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
49  lapack_int lda_t = MAX(1,m);
50  float* a_t = NULL;
51  /* Check leading dimension(s) */
52  if( lda < n ) {
53  info = -5;
54  LAPACKE_xerbla( "LAPACKE_sgeequb_work", info );
55  return info;
56  }
57  /* Allocate memory for temporary array(s) */
58  a_t = (float*)LAPACKE_malloc( sizeof(float) * lda_t * MAX(1,n) );
59  if( a_t == NULL ) {
61  goto exit_level_0;
62  }
63  /* Transpose input matrices */
64  LAPACKE_sge_trans( matrix_layout, m, n, a, lda, a_t, lda_t );
65  /* Call LAPACK function and adjust info */
66  LAPACK_sgeequb( &m, &n, a_t, &lda_t, r, c, rowcnd, colcnd, amax,
67  &info );
68  if( info < 0 ) {
69  info = info - 1;
70  }
71  /* Release memory and exit */
72  LAPACKE_free( a_t );
73 exit_level_0:
74  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
75  LAPACKE_xerbla( "LAPACKE_sgeequb_work", info );
76  }
77  } else {
78  info = -1;
79  LAPACKE_xerbla( "LAPACKE_sgeequb_work", info );
80  }
81  return info;
82 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACKE_free(p)
Definition: lapacke.h:113
void LAPACKE_sge_trans(int matrix_layout, lapack_int m, lapack_int n, const float *in, lapack_int ldin, float *out, lapack_int ldout)
#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
void LAPACK_sgeequb(lapack_int *m, lapack_int *n, const float *a, lapack_int *lda, float *r, float *c, float *rowcnd, float *colcnd, float *amax, lapack_int *info)
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