LAPACK  3.6.1 LAPACK: Linear Algebra PACKage
 lapack_int LAPACKE_zptsvx ( int matrix_layout, char fact, lapack_int n, lapack_int nrhs, const double * d, const lapack_complex_double * e, double * df, lapack_complex_double * ef, const lapack_complex_double * b, lapack_int ldb, lapack_complex_double * x, lapack_int ldx, double * rcond, double * ferr, double * berr )

Definition at line 36 of file lapacke_zptsvx.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_zptsvx", -1 );
49  return -1;
50  }
51 #ifndef LAPACK_DISABLE_NAN_CHECK
52  /* Optionally check input matrices for NaNs */
53  if( LAPACKE_zge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
54  return -9;
55  }
56  if( LAPACKE_d_nancheck( n, d, 1 ) ) {
57  return -5;
58  }
59  if( LAPACKE_lsame( fact, 'f' ) ) {
60  if( LAPACKE_d_nancheck( n, df, 1 ) ) {
61  return -7;
62  }
63  }
64  if( LAPACKE_z_nancheck( n-1, e, 1 ) ) {
65  return -6;
66  }
67  if( LAPACKE_lsame( fact, 'f' ) ) {
68  if( LAPACKE_z_nancheck( n-1, ef, 1 ) ) {
69  return -8;
70  }
71  }
72 #endif
73  /* Allocate memory for working array(s) */
74  rwork = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
75  if( rwork == NULL ) {
77  goto exit_level_0;
78  }
79  work = (lapack_complex_double*)
80  LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,n) );
81  if( work == NULL ) {
83  goto exit_level_1;
84  }
85  /* Call middle-level interface */
86  info = LAPACKE_zptsvx_work( matrix_layout, fact, n, nrhs, d, e, df, ef, b,
87  ldb, x, ldx, rcond, ferr, berr, work, rwork );
88  /* Release memory and exit */
89  LAPACKE_free( work );
90 exit_level_1:
91  LAPACKE_free( rwork );
92 exit_level_0:
93  if( info == LAPACK_WORK_MEMORY_ERROR ) {
94  LAPACKE_xerbla( "LAPACKE_zptsvx", info );
95  }
96  return info;
97 }
lapack_logical LAPACKE_z_nancheck(lapack_int n, const lapack_complex_double *x, lapack_int incx)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
#define lapack_complex_double
Definition: lapacke.h:90
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_free(p)
Definition: lapacke.h:113
#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)
lapack_int LAPACKE_zptsvx_work(int matrix_layout, char fact, lapack_int n, lapack_int nrhs, const double *d, const lapack_complex_double *e, double *df, lapack_complex_double *ef, const 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 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)

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