LAPACK  3.7.1
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 36 of file lapacke_sgglse.c.

39 {
40  lapack_int info = 0;
41  lapack_int lwork = -1;
42  float* work = NULL;
43  float work_query;
44  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
45  LAPACKE_xerbla( "LAPACKE_sgglse", -1 );
46  return -1;
47  }
48 #ifndef LAPACK_DISABLE_NAN_CHECK
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 #endif
63  /* Query optimal working array(s) size */
64  info = LAPACKE_sgglse_work( matrix_layout, m, n, p, a, lda, b, ldb, c, d, x,
65  &work_query, lwork );
66  if( info != 0 ) {
67  goto exit_level_0;
68  }
69  lwork = (lapack_int)work_query;
70  /* Allocate memory for work arrays */
71  work = (float*)LAPACKE_malloc( sizeof(float) * lwork );
72  if( work == NULL ) {
74  goto exit_level_0;
75  }
76  /* Call middle-level interface */
77  info = LAPACKE_sgglse_work( matrix_layout, m, n, p, a, lda, b, ldb, c, d, x,
78  work, lwork );
79  /* Release memory and exit */
80  LAPACKE_free( work );
81 exit_level_0:
82  if( info == LAPACK_WORK_MEMORY_ERROR ) {
83  LAPACKE_xerbla( "LAPACKE_sgglse", info );
84  }
85  return info;
86 }
#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_sge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const float *a, lapack_int lda)
lapack_logical LAPACKE_s_nancheck(lapack_int n, const float *x, lapack_int incx)
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
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_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
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