LAPACK  3.10.0
LAPACK: Linear Algebra PACKage
lapacke_cgesvxx.c
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28 *****************************************************************************
29 * Contents: Native high-level C interface to LAPACK function cgesvxx
30 * Author: Intel Corporation
31 *****************************************************************************/
32 
33 #include "lapacke_utils.h"
34 
35 lapack_int LAPACKE_cgesvxx( int matrix_layout, char fact, char trans,
36  lapack_int n, lapack_int nrhs,
39  lapack_int* ipiv, char* equed, float* r, float* c,
42  float* rcond, float* rpvgrw, float* berr,
43  lapack_int n_err_bnds, float* err_bnds_norm,
44  float* err_bnds_comp, lapack_int nparams,
45  float* params )
46 {
47  lapack_int info = 0;
48  float* rwork = NULL;
49  lapack_complex_float* work = NULL;
50  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
51  LAPACKE_xerbla( "LAPACKE_cgesvxx", -1 );
52  return -1;
53  }
54 #ifndef LAPACK_DISABLE_NAN_CHECK
55  if( LAPACKE_get_nancheck() ) {
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  }
86 #endif
87  /* Allocate memory for working array(s) */
88  rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,3*n) );
89  if( rwork == NULL ) {
91  goto exit_level_0;
92  }
93  work = (lapack_complex_float*)
94  LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,2*n) );
95  if( work == NULL ) {
97  goto exit_level_1;
98  }
99  /* Call middle-level interface */
100  info = LAPACKE_cgesvxx_work( matrix_layout, fact, trans, n, nrhs, a, lda, af,
101  ldaf, ipiv, equed, r, c, b, ldb, x, ldx, rcond,
102  rpvgrw, berr, n_err_bnds, err_bnds_norm,
103  err_bnds_comp, nparams, params, work, rwork );
104  /* Release memory and exit */
105  LAPACKE_free( work );
106 exit_level_1:
107  LAPACKE_free( rwork );
108 exit_level_0:
109  if( info == LAPACK_WORK_MEMORY_ERROR ) {
110  LAPACKE_xerbla( "LAPACKE_cgesvxx", info );
111  }
112  return info;
113 }
#define lapack_int
Definition: lapack.h:83
#define lapack_complex_float
Definition: lapack.h:45
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
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 LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
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)
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_s_nancheck(lapack_int n, const float *x, lapack_int incx)
#define MAX(x, y)
Definition: lapacke_utils.h:46
lapack_logical LAPACKE_cge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *a, lapack_int lda)