LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_cgesvxx()

lapack_int LAPACKE_cgesvxx ( int  matrix_layout,
char  fact,
char  trans,
lapack_int  n,
lapack_int  nrhs,
lapack_complex_float a,
lapack_int  lda,
lapack_complex_float af,
lapack_int  ldaf,
lapack_int ipiv,
char *  equed,
float *  r,
float *  c,
lapack_complex_float b,
lapack_int  ldb,
lapack_complex_float x,
lapack_int  ldx,
float *  rcond,
float *  rpvgrw,
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_cgesvxx.c.

47 {
48  lapack_int info = 0;
49  float* rwork = NULL;
50  lapack_complex_float* work = NULL;
51  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
52  LAPACKE_xerbla( "LAPACKE_cgesvxx", -1 );
53  return -1;
54  }
55 #ifndef LAPACK_DISABLE_NAN_CHECK
56  /* Optionally check input matrices for NaNs */
57  if( LAPACKE_cge_nancheck( matrix_layout, n, n, a, lda ) ) {
58  return -6;
59  }
60  if( LAPACKE_lsame( fact, 'f' ) ) {
61  if( LAPACKE_cge_nancheck( matrix_layout, n, n, af, ldaf ) ) {
62  return -8;
63  }
64  }
65  if( LAPACKE_cge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
66  return -14;
67  }
68  if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
69  LAPACKE_lsame( *equed, 'c' ) ) ) {
70  if( LAPACKE_s_nancheck( n, c, 1 ) ) {
71  return -13;
72  }
73  }
74  if( nparams>0 ) {
75  if( LAPACKE_s_nancheck( nparams, params, 1 ) ) {
76  return -25;
77  }
78  }
79  if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
80  LAPACKE_lsame( *equed, 'r' ) ) ) {
81  if( LAPACKE_s_nancheck( n, r, 1 ) ) {
82  return -12;
83  }
84  }
85 #endif
86  /* Allocate memory for working array(s) */
87  rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,3*n) );
88  if( rwork == NULL ) {
90  goto exit_level_0;
91  }
92  work = (lapack_complex_float*)
93  LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,2*n) );
94  if( work == NULL ) {
96  goto exit_level_1;
97  }
98  /* Call middle-level interface */
99  info = LAPACKE_cgesvxx_work( matrix_layout, fact, trans, n, nrhs, a, lda, af,
100  ldaf, ipiv, equed, r, c, b, ldb, x, ldx, rcond,
101  rpvgrw, berr, n_err_bnds, err_bnds_norm,
102  err_bnds_comp, nparams, params, work, rwork );
103  /* Release memory and exit */
104  LAPACKE_free( work );
105 exit_level_1:
106  LAPACKE_free( rwork );
107 exit_level_0:
108  if( info == LAPACK_WORK_MEMORY_ERROR ) {
109  LAPACKE_xerbla( "LAPACKE_cgesvxx", info );
110  }
111  return info;
112 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
lapack_int LAPACKE_cgesvxx_work(int matrix_layout, char fact, char trans, lapack_int n, lapack_int nrhs, lapack_complex_float *a, lapack_int lda, lapack_complex_float *af, lapack_int ldaf, lapack_int *ipiv, char *equed, float *r, float *c, lapack_complex_float *b, lapack_int ldb, lapack_complex_float *x, lapack_int ldx, float *rcond, float *rpvgrw, float *berr, lapack_int n_err_bnds, float *err_bnds_norm, float *err_bnds_comp, lapack_int nparams, float *params, lapack_complex_float *work, float *rwork)
#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
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
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