LAPACK  3.6.1
LAPACK: Linear Algebra PACKage
lapack_int LAPACKE_sgerfsx ( int  matrix_layout,
char  trans,
char  equed,
lapack_int  n,
lapack_int  nrhs,
const float *  a,
lapack_int  lda,
const float *  af,
lapack_int  ldaf,
const lapack_int ipiv,
const float *  r,
const float *  c,
const float *  b,
lapack_int  ldb,
float *  x,
lapack_int  ldx,
float *  rcond,
float *  berr,
lapack_int  n_err_bnds,
float *  err_bnds_norm,
float *  err_bnds_comp,
lapack_int  nparams,
float *  params 
)

Definition at line 36 of file lapacke_sgerfsx.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_sgerfsx", -1 );
51  return -1;
52  }
53 #ifndef LAPACK_DISABLE_NAN_CHECK
54  /* Optionally check input matrices for NaNs */
55  if( LAPACKE_sge_nancheck( matrix_layout, n, n, a, lda ) ) {
56  return -6;
57  }
58  if( LAPACKE_sge_nancheck( matrix_layout, n, n, af, ldaf ) ) {
59  return -8;
60  }
61  if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
62  return -13;
63  }
64  if( LAPACKE_lsame( equed, 'b' ) || LAPACKE_lsame( equed, 'c' ) ) {
65  if( LAPACKE_s_nancheck( n, c, 1 ) ) {
66  return -12;
67  }
68  }
69  if( nparams>0 ) {
70  if( LAPACKE_s_nancheck( nparams, params, 1 ) ) {
71  return -23;
72  }
73  }
74  if( LAPACKE_lsame( equed, 'b' ) || LAPACKE_lsame( equed, 'r' ) ) {
75  if( LAPACKE_s_nancheck( n, r, 1 ) ) {
76  return -11;
77  }
78  }
79  if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, x, ldx ) ) {
80  return -15;
81  }
82 #endif
83  /* Allocate memory for working array(s) */
84  iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
85  if( iwork == NULL ) {
87  goto exit_level_0;
88  }
89  work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,4*n) );
90  if( work == NULL ) {
92  goto exit_level_1;
93  }
94  /* Call middle-level interface */
95  info = LAPACKE_sgerfsx_work( matrix_layout, trans, equed, n, nrhs, a, lda,
96  af, ldaf, ipiv, r, c, b, ldb, x, ldx, rcond,
97  berr, n_err_bnds, err_bnds_norm, err_bnds_comp,
98  nparams, params, work, iwork );
99  /* Release memory and exit */
100  LAPACKE_free( work );
101 exit_level_1:
102  LAPACKE_free( iwork );
103 exit_level_0:
104  if( info == LAPACK_WORK_MEMORY_ERROR ) {
105  LAPACKE_xerbla( "LAPACKE_sgerfsx", info );
106  }
107  return info;
108 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
lapack_logical LAPACKE_sge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const float *a, lapack_int lda)
lapack_logical LAPACKE_s_nancheck(lapack_int n, const float *x, lapack_int incx)
#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_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)
#define lapack_int
Definition: lapacke.h:47
lapack_int LAPACKE_sgerfsx_work(int matrix_layout, char trans, char equed, lapack_int n, lapack_int nrhs, const float *a, lapack_int lda, const float *af, lapack_int ldaf, const lapack_int *ipiv, const float *r, const float *c, const float *b, lapack_int ldb, float *x, lapack_int ldx, float *rcond, 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)

Here is the call graph for this function: