LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_cggglm()

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

Definition at line 36 of file lapacke_cggglm.c.

41 {
42  lapack_int info = 0;
43  lapack_int lwork = -1;
44  lapack_complex_float* work = NULL;
45  lapack_complex_float work_query;
46  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
47  LAPACKE_xerbla( "LAPACKE_cggglm", -1 );
48  return -1;
49  }
50 #ifndef LAPACK_DISABLE_NAN_CHECK
51  if( LAPACKE_get_nancheck() ) {
52  /* Optionally check input matrices for NaNs */
53  if( LAPACKE_cge_nancheck( matrix_layout, n, m, a, lda ) ) {
54  return -5;
55  }
56  if( LAPACKE_cge_nancheck( matrix_layout, n, p, b, ldb ) ) {
57  return -7;
58  }
59  if( LAPACKE_c_nancheck( n, d, 1 ) ) {
60  return -9;
61  }
62  }
63 #endif
64  /* Query optimal working array(s) size */
65  info = LAPACKE_cggglm_work( matrix_layout, n, m, p, a, lda, b, ldb, d, x, y,
66  &work_query, lwork );
67  if( info != 0 ) {
68  goto exit_level_0;
69  }
70  lwork = LAPACK_C2INT( work_query );
71  /* Allocate memory for work arrays */
72  work = (lapack_complex_float*)
73  LAPACKE_malloc( sizeof(lapack_complex_float) * lwork );
74  if( work == NULL ) {
76  goto exit_level_0;
77  }
78  /* Call middle-level interface */
79  info = LAPACKE_cggglm_work( matrix_layout, n, m, p, a, lda, b, ldb, d, x, y,
80  work, lwork );
81  /* Release memory and exit */
82  LAPACKE_free( work );
83 exit_level_0:
84  if( info == LAPACK_WORK_MEMORY_ERROR ) {
85  LAPACKE_xerbla( "LAPACKE_cggglm", info );
86  }
87  return info;
88 }
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
lapack_int LAPACKE_cggglm_work(int matrix_layout, lapack_int n, lapack_int m, lapack_int p, lapack_complex_float *a, lapack_int lda, lapack_complex_float *b, lapack_int ldb, lapack_complex_float *d, lapack_complex_float *x, lapack_complex_float *y, lapack_complex_float *work, lapack_int lwork)
lapack_logical LAPACKE_cge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *a, lapack_int lda)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define lapack_complex_float
Definition: lapacke.h:74
int LAPACKE_get_nancheck()
#define lapack_int
Definition: lapacke.h:47
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
#define LAPACKE_free(p)
Definition: lapacke.h:113
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_c_nancheck(lapack_int n, const lapack_complex_float *x, lapack_int incx)
#define LAPACK_C2INT(x)
Definition: lapacke.h:116
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