LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_dporfsx()

lapack_int LAPACKE_dporfsx ( int  matrix_layout,
char  uplo,
char  equed,
lapack_int  n,
lapack_int  nrhs,
const double *  a,
lapack_int  lda,
const double *  af,
lapack_int  ldaf,
const double *  s,
const double *  b,
lapack_int  ldb,
double *  x,
lapack_int  ldx,
double *  rcond,
double *  berr,
lapack_int  n_err_bnds,
double *  err_bnds_norm,
double *  err_bnds_comp,
lapack_int  nparams,
double *  params 
)

Definition at line 35 of file lapacke_dporfsx.c.

43{
44 lapack_int info = 0;
45 lapack_int* iwork = NULL;
46 double* work = NULL;
47 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
48 LAPACKE_xerbla( "LAPACKE_dporfsx", -1 );
49 return -1;
50 }
51#ifndef LAPACK_DISABLE_NAN_CHECK
52 if( LAPACKE_get_nancheck() ) {
53 /* Optionally check input matrices for NaNs */
54 if( LAPACKE_dsy_nancheck( matrix_layout, uplo, n, a, lda ) ) {
55 return -6;
56 }
57 if( LAPACKE_dsy_nancheck( matrix_layout, uplo, n, af, ldaf ) ) {
58 return -8;
59 }
60 if( LAPACKE_dge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
61 return -11;
62 }
63 if( nparams>0 ) {
64 if( LAPACKE_d_nancheck( nparams, params, 1 ) ) {
65 return -21;
66 }
67 }
68 if( LAPACKE_lsame( equed, 'y' ) ) {
69 if( LAPACKE_d_nancheck( n, s, 1 ) ) {
70 return -10;
71 }
72 }
73 if( LAPACKE_dge_nancheck( matrix_layout, n, nrhs, x, ldx ) ) {
74 return -13;
75 }
76 }
77#endif
78 /* Allocate memory for working array(s) */
79 iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
80 if( iwork == NULL ) {
82 goto exit_level_0;
83 }
84 work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,4*n) );
85 if( work == NULL ) {
87 goto exit_level_1;
88 }
89 /* Call middle-level interface */
90 info = LAPACKE_dporfsx_work( matrix_layout, uplo, equed, n, nrhs, a, lda, af,
91 ldaf, s, b, ldb, x, ldx, rcond, berr,
92 n_err_bnds, err_bnds_norm, err_bnds_comp,
93 nparams, params, work, iwork );
94 /* Release memory and exit */
95 LAPACKE_free( work );
96exit_level_1:
97 LAPACKE_free( iwork );
98exit_level_0:
99 if( info == LAPACK_WORK_MEMORY_ERROR ) {
100 LAPACKE_xerbla( "LAPACKE_dporfsx", info );
101 }
102 return info;
103}
#define lapack_int
Definition: lapack.h:87
#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
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
lapack_int LAPACKE_dporfsx_work(int matrix_layout, char uplo, char equed, lapack_int n, lapack_int nrhs, const double *a, lapack_int lda, const double *af, lapack_int ldaf, const double *s, const double *b, lapack_int ldb, double *x, lapack_int ldx, double *rcond, double *berr, lapack_int n_err_bnds, double *err_bnds_norm, double *err_bnds_comp, lapack_int nparams, double *params, double *work, lapack_int *iwork)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
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_d_nancheck(lapack_int n, const double *x, lapack_int incx)
lapack_logical LAPACKE_dsy_nancheck(int matrix_layout, char uplo, lapack_int n, const double *a, lapack_int lda)
#define MAX(x, y)
Definition: lapacke_utils.h:46
lapack_logical LAPACKE_dge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const double *a, lapack_int lda)
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