LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_cpbsvx()

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

Definition at line 36 of file lapacke_cpbsvx.c.

44 {
45  lapack_int info = 0;
46  float* rwork = NULL;
47  lapack_complex_float* work = NULL;
48  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
49  LAPACKE_xerbla( "LAPACKE_cpbsvx", -1 );
50  return -1;
51  }
52 #ifndef LAPACK_DISABLE_NAN_CHECK
53  if( LAPACKE_get_nancheck() ) {
54  /* Optionally check input matrices for NaNs */
55  if( LAPACKE_cpb_nancheck( matrix_layout, uplo, n, kd, ab, ldab ) ) {
56  return -7;
57  }
58  if( LAPACKE_lsame( fact, 'f' ) ) {
59  if( LAPACKE_cpb_nancheck( matrix_layout, uplo, n, kd, afb, ldafb ) ) {
60  return -9;
61  }
62  }
63  if( LAPACKE_cge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
64  return -13;
65  }
66  if( LAPACKE_lsame( fact, 'f' ) && LAPACKE_lsame( *equed, 'y' ) ) {
67  if( LAPACKE_s_nancheck( n, s, 1 ) ) {
68  return -12;
69  }
70  }
71  }
72 #endif
73  /* Allocate memory for working array(s) */
74  rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) );
75  if( rwork == NULL ) {
77  goto exit_level_0;
78  }
79  work = (lapack_complex_float*)
80  LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,2*n) );
81  if( work == NULL ) {
83  goto exit_level_1;
84  }
85  /* Call middle-level interface */
86  info = LAPACKE_cpbsvx_work( matrix_layout, fact, uplo, n, kd, nrhs, ab, ldab,
87  afb, ldafb, equed, s, b, ldb, x, ldx, rcond,
88  ferr, berr, work, rwork );
89  /* Release memory and exit */
90  LAPACKE_free( work );
91 exit_level_1:
92  LAPACKE_free( rwork );
93 exit_level_0:
94  if( info == LAPACK_WORK_MEMORY_ERROR ) {
95  LAPACKE_xerbla( "LAPACKE_cpbsvx", info );
96  }
97  return info;
98 }
lapack_logical LAPACKE_cpb_nancheck(int matrix_layout, char uplo, lapack_int n, lapack_int kd, const lapack_complex_float *ab, lapack_int ldab)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define lapack_complex_float
Definition: lapacke.h:74
lapack_logical LAPACKE_s_nancheck(lapack_int n, const float *x, lapack_int incx)
lapack_logical LAPACKE_cge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *a, lapack_int lda)
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:36
lapack_int LAPACKE_cpbsvx_work(int matrix_layout, char fact, char uplo, lapack_int n, lapack_int kd, lapack_int nrhs, lapack_complex_float *ab, lapack_int ldab, lapack_complex_float *afb, lapack_int ldafb, char *equed, float *s, lapack_complex_float *b, lapack_int ldb, lapack_complex_float *x, lapack_int ldx, float *rcond, float *ferr, float *berr, lapack_complex_float *work, float *rwork)
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
int LAPACKE_get_nancheck()
Here is the call graph for this function: