LAPACK  3.10.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_sgglse()

lapack_int LAPACKE_sgglse ( int  matrix_layout,
lapack_int  m,
lapack_int  n,
lapack_int  p,
float *  a,
lapack_int  lda,
float *  b,
lapack_int  ldb,
float *  c,
float *  d,
float *  x 
)

Definition at line 35 of file lapacke_sgglse.c.

38 {
39  lapack_int info = 0;
40  lapack_int lwork = -1;
41  float* work = NULL;
42  float work_query;
43  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
44  LAPACKE_xerbla( "LAPACKE_sgglse", -1 );
45  return -1;
46  }
47 #ifndef LAPACK_DISABLE_NAN_CHECK
48  if( LAPACKE_get_nancheck() ) {
49  /* Optionally check input matrices for NaNs */
50  if( LAPACKE_sge_nancheck( matrix_layout, m, n, a, lda ) ) {
51  return -5;
52  }
53  if( LAPACKE_sge_nancheck( matrix_layout, p, n, b, ldb ) ) {
54  return -7;
55  }
56  if( LAPACKE_s_nancheck( m, c, 1 ) ) {
57  return -9;
58  }
59  if( LAPACKE_s_nancheck( p, d, 1 ) ) {
60  return -10;
61  }
62  }
63 #endif
64  /* Query optimal working array(s) size */
65  info = LAPACKE_sgglse_work( matrix_layout, m, n, p, a, lda, b, ldb, c, d, x,
66  &work_query, lwork );
67  if( info != 0 ) {
68  goto exit_level_0;
69  }
70  lwork = (lapack_int)work_query;
71  /* Allocate memory for work arrays */
72  work = (float*)LAPACKE_malloc( sizeof(float) * lwork );
73  if( work == NULL ) {
75  goto exit_level_0;
76  }
77  /* Call middle-level interface */
78  info = LAPACKE_sgglse_work( matrix_layout, m, n, p, a, lda, b, ldb, c, d, x,
79  work, lwork );
80  /* Release memory and exit */
81  LAPACKE_free( work );
82 exit_level_0:
83  if( info == LAPACK_WORK_MEMORY_ERROR ) {
84  LAPACKE_xerbla( "LAPACKE_sgglse", info );
85  }
86  return info;
87 }
#define lapack_int
Definition: lapack.h:83
lapack_int LAPACKE_sgglse_work(int matrix_layout, lapack_int m, lapack_int n, lapack_int p, float *a, lapack_int lda, float *b, lapack_int ldb, float *c, float *d, float *x, float *work, lapack_int lwork)
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_s_nancheck(lapack_int n, const float *x, lapack_int incx)
lapack_logical LAPACKE_sge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const float *a, lapack_int lda)
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