LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ 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 35 of file lapacke_zgbsvxx.c.

46{
47 lapack_int info = 0;
48 double* rwork = NULL;
49 lapack_complex_double* work = NULL;
50 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
51 LAPACKE_xerbla( "LAPACKE_zgbsvxx", -1 );
52 return -1;
53 }
54#ifndef LAPACK_DISABLE_NAN_CHECK
55 if( LAPACKE_get_nancheck() ) {
56 /* Optionally check input matrices for NaNs */
57 if( LAPACKE_zgb_nancheck( matrix_layout, n, n, kl, ku, ab, ldab ) ) {
58 return -8;
59 }
60 if( LAPACKE_lsame( fact, 'f' ) ) {
61 if( LAPACKE_zgb_nancheck( matrix_layout, n, n, kl, kl+ku, afb,
62 ldafb ) ) {
63 return -10;
64 }
65 }
66 if( LAPACKE_zge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
67 return -16;
68 }
69 if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
70 LAPACKE_lsame( *equed, 'c' ) ) ) {
71 if( LAPACKE_d_nancheck( n, c, 1 ) ) {
72 return -15;
73 }
74 }
75 if( nparams>0 ) {
76 if( LAPACKE_d_nancheck( nparams, params, 1 ) ) {
77 return -27;
78 }
79 }
80 if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
81 LAPACKE_lsame( *equed, 'r' ) ) ) {
82 if( LAPACKE_d_nancheck( n, r, 1 ) ) {
83 return -14;
84 }
85 }
86 }
87#endif
88 /* Allocate memory for working array(s) */
89 rwork = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,3*n) );
90 if( rwork == NULL ) {
92 goto exit_level_0;
93 }
94 work = (lapack_complex_double*)
95 LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,2*n) );
96 if( work == NULL ) {
98 goto exit_level_1;
99 }
100 /* Call middle-level interface */
101 info = LAPACKE_zgbsvxx_work( matrix_layout, fact, trans, n, kl, ku, nrhs, ab,
102 ldab, afb, ldafb, ipiv, equed, r, c, b, ldb, x,
103 ldx, rcond, rpvgrw, berr, n_err_bnds,
104 err_bnds_norm, err_bnds_comp, nparams, params,
105 work, rwork );
106 /* Release memory and exit */
107 LAPACKE_free( work );
108exit_level_1:
109 LAPACKE_free( rwork );
110exit_level_0:
111 if( info == LAPACK_WORK_MEMORY_ERROR ) {
112 LAPACKE_xerbla( "LAPACKE_zgbsvxx", info );
113 }
114 return info;
115}
#define lapack_int
Definition: lapack.h:87
#define lapack_complex_double
Definition: lapack.h:64
#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
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(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:35
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_d_nancheck(lapack_int n, const double *x, lapack_int incx)
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)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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