LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_spprfs()

lapack_int LAPACKE_spprfs ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_int  nrhs,
const float *  ap,
const float *  afp,
const float *  b,
lapack_int  ldb,
float *  x,
lapack_int  ldx,
float *  ferr,
float *  berr 
)

Definition at line 35 of file lapacke_spprfs.c.

39{
40 lapack_int info = 0;
41 lapack_int* iwork = NULL;
42 float* work = NULL;
43 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
44 LAPACKE_xerbla( "LAPACKE_spprfs", -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_spp_nancheck( n, afp ) ) {
51 return -6;
52 }
53 if( LAPACKE_spp_nancheck( n, ap ) ) {
54 return -5;
55 }
56 if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
57 return -7;
58 }
59 if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, x, ldx ) ) {
60 return -9;
61 }
62 }
63#endif
64 /* Allocate memory for working array(s) */
65 iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
66 if( iwork == NULL ) {
68 goto exit_level_0;
69 }
70 work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,3*n) );
71 if( work == NULL ) {
73 goto exit_level_1;
74 }
75 /* Call middle-level interface */
76 info = LAPACKE_spprfs_work( matrix_layout, uplo, n, nrhs, ap, afp, b, ldb, x,
77 ldx, ferr, berr, work, iwork );
78 /* Release memory and exit */
79 LAPACKE_free( work );
80exit_level_1:
81 LAPACKE_free( iwork );
82exit_level_0:
83 if( info == LAPACK_WORK_MEMORY_ERROR ) {
84 LAPACKE_xerbla( "LAPACKE_spprfs", info );
85 }
86 return info;
87}
#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
lapack_int LAPACKE_spprfs_work(int matrix_layout, char uplo, lapack_int n, lapack_int nrhs, const float *ap, const float *afp, const float *b, lapack_int ldb, float *x, lapack_int ldx, float *ferr, float *berr, float *work, lapack_int *iwork)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
lapack_logical LAPACKE_spp_nancheck(lapack_int n, const float *ap)
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_sge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const float *a, lapack_int lda)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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