LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_sgbsvxx()

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

Definition at line 35 of file lapacke_sgbsvxx.c.

45{
46 lapack_int info = 0;
47 lapack_int* iwork = NULL;
48 float* work = NULL;
49 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
50 LAPACKE_xerbla( "LAPACKE_sgbsvxx", -1 );
51 return -1;
52 }
53#ifndef LAPACK_DISABLE_NAN_CHECK
54 if( LAPACKE_get_nancheck() ) {
55 /* Optionally check input matrices for NaNs */
56 if( LAPACKE_sgb_nancheck( matrix_layout, n, n, kl, ku, ab, ldab ) ) {
57 return -8;
58 }
59 if( LAPACKE_lsame( fact, 'f' ) ) {
60 if( LAPACKE_sgb_nancheck( matrix_layout, n, n, kl, kl+ku, afb,
61 ldafb ) ) {
62 return -10;
63 }
64 }
65 if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
66 return -16;
67 }
68 if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
69 LAPACKE_lsame( *equed, 'c' ) ) ) {
70 if( LAPACKE_s_nancheck( n, c, 1 ) ) {
71 return -15;
72 }
73 }
74 if( nparams>0 ) {
75 if( LAPACKE_s_nancheck( nparams, params, 1 ) ) {
76 return -27;
77 }
78 }
79 if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
80 LAPACKE_lsame( *equed, 'r' ) ) ) {
81 if( LAPACKE_s_nancheck( n, r, 1 ) ) {
82 return -14;
83 }
84 }
85 }
86#endif
87 /* Allocate memory for working array(s) */
88 iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
89 if( iwork == NULL ) {
91 goto exit_level_0;
92 }
93 work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,4*n) );
94 if( work == NULL ) {
96 goto exit_level_1;
97 }
98 /* Call middle-level interface */
99 info = LAPACKE_sgbsvxx_work( matrix_layout, fact, trans, n, kl, ku, nrhs, ab,
100 ldab, afb, ldafb, ipiv, equed, r, c, b, ldb, x,
101 ldx, rcond, rpvgrw, berr, n_err_bnds,
102 err_bnds_norm, err_bnds_comp, nparams, params,
103 work, iwork );
104 /* Release memory and exit */
105 LAPACKE_free( work );
106exit_level_1:
107 LAPACKE_free( iwork );
108exit_level_0:
109 if( info == LAPACK_WORK_MEMORY_ERROR ) {
110 LAPACKE_xerbla( "LAPACKE_sgbsvxx", info );
111 }
112 return info;
113}
#define lapack_int
Definition: lapack.h:87
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
lapack_int LAPACKE_sgbsvxx_work(int matrix_layout, char fact, char trans, lapack_int n, lapack_int kl, lapack_int ku, lapack_int nrhs, float *ab, lapack_int ldab, float *afb, lapack_int ldafb, lapack_int *ipiv, char *equed, float *r, float *c, float *b, lapack_int ldb, float *x, lapack_int ldx, float *rcond, float *rpvgrw, float *berr, lapack_int n_err_bnds, float *err_bnds_norm, float *err_bnds_comp, lapack_int nparams, float *params, float *work, lapack_int *iwork)
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
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_s_nancheck(lapack_int n, const float *x, lapack_int incx)
lapack_logical LAPACKE_sge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const float *a, lapack_int lda)
lapack_logical LAPACKE_sgb_nancheck(int matrix_layout, lapack_int m, lapack_int n, lapack_int kl, lapack_int ku, const float *ab, lapack_int ldab)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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