LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_zporfs()

lapack_int LAPACKE_zporfs ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_int  nrhs,
const lapack_complex_double a,
lapack_int  lda,
const lapack_complex_double af,
lapack_int  ldaf,
const lapack_complex_double b,
lapack_int  ldb,
lapack_complex_double x,
lapack_int  ldx,
double *  ferr,
double *  berr 
)

Definition at line 35 of file lapacke_zporfs.c.

41{
42 lapack_int info = 0;
43 double* rwork = NULL;
44 lapack_complex_double* work = NULL;
45 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
46 LAPACKE_xerbla( "LAPACKE_zporfs", -1 );
47 return -1;
48 }
49#ifndef LAPACK_DISABLE_NAN_CHECK
50 if( LAPACKE_get_nancheck() ) {
51 /* Optionally check input matrices for NaNs */
52 if( LAPACKE_zpo_nancheck( matrix_layout, uplo, n, a, lda ) ) {
53 return -5;
54 }
55 if( LAPACKE_zpo_nancheck( matrix_layout, uplo, n, af, ldaf ) ) {
56 return -7;
57 }
58 if( LAPACKE_zge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
59 return -9;
60 }
61 if( LAPACKE_zge_nancheck( matrix_layout, n, nrhs, x, ldx ) ) {
62 return -11;
63 }
64 }
65#endif
66 /* Allocate memory for working array(s) */
67 rwork = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
68 if( rwork == NULL ) {
70 goto exit_level_0;
71 }
72 work = (lapack_complex_double*)
73 LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,2*n) );
74 if( work == NULL ) {
76 goto exit_level_1;
77 }
78 /* Call middle-level interface */
79 info = LAPACKE_zporfs_work( matrix_layout, uplo, n, nrhs, a, lda, af, ldaf,
80 b, ldb, x, ldx, ferr, berr, work, rwork );
81 /* Release memory and exit */
82 LAPACKE_free( work );
83exit_level_1:
84 LAPACKE_free( rwork );
85exit_level_0:
86 if( info == LAPACK_WORK_MEMORY_ERROR ) {
87 LAPACKE_xerbla( "LAPACKE_zporfs", info );
88 }
89 return info;
90}
#define lapack_int
Definition: lapack.h:87
#define lapack_complex_double
Definition: lapack.h:64
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
lapack_int LAPACKE_zporfs_work(int matrix_layout, char uplo, lapack_int n, lapack_int nrhs, const lapack_complex_double *a, lapack_int lda, const lapack_complex_double *af, lapack_int ldaf, const lapack_complex_double *b, lapack_int ldb, lapack_complex_double *x, lapack_int ldx, double *ferr, double *berr, lapack_complex_double *work, double *rwork)
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_zge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda)
#define MAX(x, y)
Definition: lapacke_utils.h:46
lapack_logical LAPACKE_zpo_nancheck(int matrix_layout, char uplo, lapack_int n, const lapack_complex_double *a, lapack_int lda)
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