LAPACK  3.10.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_zppsvx()

lapack_int LAPACKE_zppsvx ( int  matrix_layout,
char  fact,
char  uplo,
lapack_int  n,
lapack_int  nrhs,
lapack_complex_double ap,
lapack_complex_double afp,
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_zppsvx.c.

41 {
42  lapack_int info = 0;
43  double* rwork = NULL;
44  lapack_complex_double* work = NULL;
45  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
46  LAPACKE_xerbla( "LAPACKE_zppsvx", -1 );
47  return -1;
48  }
49 #ifndef LAPACK_DISABLE_NAN_CHECK
50  if( LAPACKE_get_nancheck() ) {
51  /* Optionally check input matrices for NaNs */
52  if( LAPACKE_lsame( fact, 'f' ) ) {
53  if( LAPACKE_zpp_nancheck( n, afp ) ) {
54  return -7;
55  }
56  }
57  if( LAPACKE_zpp_nancheck( n, ap ) ) {
58  return -6;
59  }
60  if( LAPACKE_zge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
61  return -10;
62  }
63  if( LAPACKE_lsame( fact, 'f' ) && LAPACKE_lsame( *equed, 'y' ) ) {
64  if( LAPACKE_d_nancheck( n, s, 1 ) ) {
65  return -9;
66  }
67  }
68  }
69 #endif
70  /* Allocate memory for working array(s) */
71  rwork = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
72  if( rwork == NULL ) {
74  goto exit_level_0;
75  }
76  work = (lapack_complex_double*)
77  LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,2*n) );
78  if( work == NULL ) {
80  goto exit_level_1;
81  }
82  /* Call middle-level interface */
83  info = LAPACKE_zppsvx_work( matrix_layout, fact, uplo, n, nrhs, ap, afp,
84  equed, s, b, ldb, x, ldx, rcond, ferr, berr,
85  work, rwork );
86  /* Release memory and exit */
87  LAPACKE_free( work );
88 exit_level_1:
89  LAPACKE_free( rwork );
90 exit_level_0:
91  if( info == LAPACK_WORK_MEMORY_ERROR ) {
92  LAPACKE_xerbla( "LAPACKE_zppsvx", info );
93  }
94  return info;
95 }
#define lapack_int
Definition: lapack.h:83
#define lapack_complex_double
Definition: lapack.h:63
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
lapack_int LAPACKE_zppsvx_work(int matrix_layout, char fact, char uplo, lapack_int n, lapack_int nrhs, lapack_complex_double *ap, lapack_complex_double *afp, 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)
#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_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_zpp_nancheck(lapack_int n, const lapack_complex_double *ap)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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