LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_zgbsvxx()

lapack_int LAPACKE_zgbsvxx ( int  matrix_layout,
char  fact,
char  trans,
lapack_int  n,
lapack_int  kl,
lapack_int  ku,
lapack_int  nrhs,
lapack_complex_double ab,
lapack_int  ldab,
lapack_complex_double afb,
lapack_int  ldafb,
lapack_int ipiv,
char *  equed,
double *  r,
double *  c,
lapack_complex_double b,
lapack_int  ldb,
lapack_complex_double x,
lapack_int  ldx,
double *  rcond,
double *  rpvgrw,
double *  berr,
lapack_int  n_err_bnds,
double *  err_bnds_norm,
double *  err_bnds_comp,
lapack_int  nparams,
double *  params 
)

Definition at line 36 of file lapacke_zgbsvxx.c.

47 {
48  lapack_int info = 0;
49  double* rwork = NULL;
50  lapack_complex_double* work = NULL;
51  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
52  LAPACKE_xerbla( "LAPACKE_zgbsvxx", -1 );
53  return -1;
54  }
55 #ifndef LAPACK_DISABLE_NAN_CHECK
56  if( LAPACKE_get_nancheck() ) {
57  /* Optionally check input matrices for NaNs */
58  if( LAPACKE_zgb_nancheck( matrix_layout, n, n, kl, ku, ab, ldab ) ) {
59  return -8;
60  }
61  if( LAPACKE_lsame( fact, 'f' ) ) {
62  if( LAPACKE_zgb_nancheck( matrix_layout, n, n, kl, kl+ku, afb,
63  ldafb ) ) {
64  return -10;
65  }
66  }
67  if( LAPACKE_zge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
68  return -16;
69  }
70  if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
71  LAPACKE_lsame( *equed, 'c' ) ) ) {
72  if( LAPACKE_d_nancheck( n, c, 1 ) ) {
73  return -15;
74  }
75  }
76  if( nparams>0 ) {
77  if( LAPACKE_d_nancheck( nparams, params, 1 ) ) {
78  return -27;
79  }
80  }
81  if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
82  LAPACKE_lsame( *equed, 'r' ) ) ) {
83  if( LAPACKE_d_nancheck( n, r, 1 ) ) {
84  return -14;
85  }
86  }
87  }
88 #endif
89  /* Allocate memory for working array(s) */
90  rwork = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,3*n) );
91  if( rwork == NULL ) {
93  goto exit_level_0;
94  }
95  work = (lapack_complex_double*)
96  LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,2*n) );
97  if( work == NULL ) {
99  goto exit_level_1;
100  }
101  /* Call middle-level interface */
102  info = LAPACKE_zgbsvxx_work( matrix_layout, fact, trans, n, kl, ku, nrhs, ab,
103  ldab, afb, ldafb, ipiv, equed, r, c, b, ldb, x,
104  ldx, rcond, rpvgrw, berr, n_err_bnds,
105  err_bnds_norm, err_bnds_comp, nparams, params,
106  work, rwork );
107  /* Release memory and exit */
108  LAPACKE_free( work );
109 exit_level_1:
110  LAPACKE_free( rwork );
111 exit_level_0:
112  if( info == LAPACK_WORK_MEMORY_ERROR ) {
113  LAPACKE_xerbla( "LAPACKE_zgbsvxx", info );
114  }
115  return info;
116 }
#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
#define lapack_complex_double
Definition: lapacke.h:90
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
lapack_logical LAPACKE_d_nancheck(lapack_int n, const double *x, lapack_int incx)
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:36
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
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_zgb_nancheck(int matrix_layout, lapack_int m, lapack_int n, lapack_int kl, lapack_int ku, const lapack_complex_double *ab, lapack_int ldab)
lapack_int LAPACKE_zgbsvxx_work(int matrix_layout, char fact, char trans, lapack_int n, lapack_int kl, lapack_int ku, lapack_int nrhs, lapack_complex_double *ab, lapack_int ldab, lapack_complex_double *afb, lapack_int ldafb, lapack_int *ipiv, char *equed, double *r, double *c, lapack_complex_double *b, lapack_int ldb, lapack_complex_double *x, lapack_int ldx, double *rcond, double *rpvgrw, double *berr, lapack_int n_err_bnds, double *err_bnds_norm, double *err_bnds_comp, lapack_int nparams, double *params, lapack_complex_double *work, double *rwork)
int LAPACKE_get_nancheck()
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