LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_zpbsvx()

lapack_int LAPACKE_zpbsvx ( int  matrix_layout,
char  fact,
char  uplo,
lapack_int  n,
lapack_int  kd,
lapack_int  nrhs,
lapack_complex_double ab,
lapack_int  ldab,
lapack_complex_double afb,
lapack_int  ldafb,
char *  equed,
double *  s,
lapack_complex_double b,
lapack_int  ldb,
lapack_complex_double x,
lapack_int  ldx,
double *  rcond,
double *  ferr,
double *  berr 
)

Definition at line 35 of file lapacke_zpbsvx.c.

43{
44 lapack_int info = 0;
45 double* rwork = NULL;
46 lapack_complex_double* work = NULL;
47 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
48 LAPACKE_xerbla( "LAPACKE_zpbsvx", -1 );
49 return -1;
50 }
51#ifndef LAPACK_DISABLE_NAN_CHECK
52 if( LAPACKE_get_nancheck() ) {
53 /* Optionally check input matrices for NaNs */
54 if( LAPACKE_zpb_nancheck( matrix_layout, uplo, n, kd, ab, ldab ) ) {
55 return -7;
56 }
57 if( LAPACKE_lsame( fact, 'f' ) ) {
58 if( LAPACKE_zpb_nancheck( matrix_layout, uplo, n, kd, afb, ldafb ) ) {
59 return -9;
60 }
61 }
62 if( LAPACKE_zge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
63 return -13;
64 }
65 if( LAPACKE_lsame( fact, 'f' ) && LAPACKE_lsame( *equed, 'y' ) ) {
66 if( LAPACKE_d_nancheck( n, s, 1 ) ) {
67 return -12;
68 }
69 }
70 }
71#endif
72 /* Allocate memory for working array(s) */
73 rwork = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
74 if( rwork == NULL ) {
76 goto exit_level_0;
77 }
78 work = (lapack_complex_double*)
79 LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,2*n) );
80 if( work == NULL ) {
82 goto exit_level_1;
83 }
84 /* Call middle-level interface */
85 info = LAPACKE_zpbsvx_work( matrix_layout, fact, uplo, n, kd, nrhs, ab, ldab,
86 afb, ldafb, equed, s, b, ldb, x, ldx, rcond,
87 ferr, berr, work, rwork );
88 /* Release memory and exit */
89 LAPACKE_free( work );
90exit_level_1:
91 LAPACKE_free( rwork );
92exit_level_0:
93 if( info == LAPACK_WORK_MEMORY_ERROR ) {
94 LAPACKE_xerbla( "LAPACKE_zpbsvx", info );
95 }
96 return info;
97}
#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
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
lapack_int LAPACKE_zpbsvx_work(int matrix_layout, char fact, char uplo, lapack_int n, lapack_int kd, lapack_int nrhs, lapack_complex_double *ab, lapack_int ldab, lapack_complex_double *afb, lapack_int ldafb, char *equed, double *s, lapack_complex_double *b, lapack_int ldb, lapack_complex_double *x, lapack_int ldx, double *rcond, double *ferr, double *berr, lapack_complex_double *work, double *rwork)
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)
#define MAX(x, y)
Definition: lapacke_utils.h:46
lapack_logical LAPACKE_zpb_nancheck(int matrix_layout, char uplo, lapack_int n, lapack_int kd, const lapack_complex_double *ab, lapack_int ldab)
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