LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_dptsvx()

lapack_int LAPACKE_dptsvx ( int  matrix_layout,
char  fact,
lapack_int  n,
lapack_int  nrhs,
const double *  d,
const double *  e,
double *  df,
double *  ef,
const double *  b,
lapack_int  ldb,
double *  x,
lapack_int  ldx,
double *  rcond,
double *  ferr,
double *  berr 
)

Definition at line 35 of file lapacke_dptsvx.c.

40{
41 lapack_int info = 0;
42 double* work = NULL;
43 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
44 LAPACKE_xerbla( "LAPACKE_dptsvx", -1 );
45 return -1;
46 }
47#ifndef LAPACK_DISABLE_NAN_CHECK
48 if( LAPACKE_get_nancheck() ) {
49 /* Optionally check input matrices for NaNs */
50 if( LAPACKE_dge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
51 return -9;
52 }
53 if( LAPACKE_d_nancheck( n, d, 1 ) ) {
54 return -5;
55 }
56 if( LAPACKE_lsame( fact, 'f' ) ) {
57 if( LAPACKE_d_nancheck( n, df, 1 ) ) {
58 return -7;
59 }
60 }
61 if( LAPACKE_d_nancheck( n-1, e, 1 ) ) {
62 return -6;
63 }
64 if( LAPACKE_lsame( fact, 'f' ) ) {
65 if( LAPACKE_d_nancheck( n-1, ef, 1 ) ) {
66 return -8;
67 }
68 }
69 }
70#endif
71 /* Allocate memory for working array(s) */
72 work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,2*n) );
73 if( work == NULL ) {
75 goto exit_level_0;
76 }
77 /* Call middle-level interface */
78 info = LAPACKE_dptsvx_work( matrix_layout, fact, n, nrhs, d, e, df, ef, b,
79 ldb, x, ldx, rcond, ferr, berr, work );
80 /* Release memory and exit */
81 LAPACKE_free( work );
82exit_level_0:
83 if( info == LAPACK_WORK_MEMORY_ERROR ) {
84 LAPACKE_xerbla( "LAPACKE_dptsvx", info );
85 }
86 return info;
87}
#define lapack_int
Definition: lapack.h:87
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
lapack_int LAPACKE_dptsvx_work(int matrix_layout, char fact, lapack_int n, lapack_int nrhs, const double *d, const double *e, double *df, double *ef, const double *b, lapack_int ldb, double *x, lapack_int ldx, double *rcond, double *ferr, double *berr, double *work)
#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)
#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)
#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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