LAPACK  3.10.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_zggglm()

lapack_int LAPACKE_zggglm ( int  matrix_layout,
lapack_int  n,
lapack_int  m,
lapack_int  p,
lapack_complex_double a,
lapack_int  lda,
lapack_complex_double b,
lapack_int  ldb,
lapack_complex_double d,
lapack_complex_double x,
lapack_complex_double y 
)

Definition at line 35 of file lapacke_zggglm.c.

40 {
41  lapack_int info = 0;
42  lapack_int lwork = -1;
43  lapack_complex_double* work = NULL;
44  lapack_complex_double work_query;
45  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
46  LAPACKE_xerbla( "LAPACKE_zggglm", -1 );
47  return -1;
48  }
49 #ifndef LAPACK_DISABLE_NAN_CHECK
50  if( LAPACKE_get_nancheck() ) {
51  /* Optionally check input matrices for NaNs */
52  if( LAPACKE_zge_nancheck( matrix_layout, n, m, a, lda ) ) {
53  return -5;
54  }
55  if( LAPACKE_zge_nancheck( matrix_layout, n, p, b, ldb ) ) {
56  return -7;
57  }
58  if( LAPACKE_z_nancheck( n, d, 1 ) ) {
59  return -9;
60  }
61  }
62 #endif
63  /* Query optimal working array(s) size */
64  info = LAPACKE_zggglm_work( matrix_layout, n, m, p, a, lda, b, ldb, d, x, y,
65  &work_query, lwork );
66  if( info != 0 ) {
67  goto exit_level_0;
68  }
69  lwork = LAPACK_Z2INT( work_query );
70  /* Allocate memory for work arrays */
71  work = (lapack_complex_double*)
72  LAPACKE_malloc( sizeof(lapack_complex_double) * lwork );
73  if( work == NULL ) {
75  goto exit_level_0;
76  }
77  /* Call middle-level interface */
78  info = LAPACKE_zggglm_work( matrix_layout, n, m, p, a, lda, b, ldb, d, x, y,
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_zggglm", info );
85  }
86  return info;
87 }
#define lapack_int
Definition: lapack.h:83
#define lapack_complex_double
Definition: lapack.h:63
lapack_int LAPACKE_zggglm_work(int matrix_layout, lapack_int n, lapack_int m, lapack_int p, lapack_complex_double *a, lapack_int lda, lapack_complex_double *b, lapack_int ldb, lapack_complex_double *d, lapack_complex_double *x, lapack_complex_double *y, lapack_complex_double *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 LAPACK_Z2INT(x)
Definition: lapacke.h:50
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_zge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda)
lapack_logical LAPACKE_z_nancheck(lapack_int n, const lapack_complex_double *x, lapack_int incx)
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