LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
Loading...
Searching...
No Matches

◆ LAPACKE_sporfs()

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

Definition at line 35 of file lapacke_sporfs.c.

40{
41 lapack_int info = 0;
42 lapack_int* iwork = NULL;
43 float* work = NULL;
44 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
45 LAPACKE_xerbla( "LAPACKE_sporfs", -1 );
46 return -1;
47 }
48#ifndef LAPACK_DISABLE_NAN_CHECK
49 if( LAPACKE_get_nancheck() ) {
50 /* Optionally check input matrices for NaNs */
51 if( LAPACKE_spo_nancheck( matrix_layout, uplo, n, a, lda ) ) {
52 return -5;
53 }
54 if( LAPACKE_spo_nancheck( matrix_layout, uplo, n, af, ldaf ) ) {
55 return -7;
56 }
57 if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
58 return -9;
59 }
60 if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, x, ldx ) ) {
61 return -11;
62 }
63 }
64#endif
65 /* Allocate memory for working array(s) */
66 iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
67 if( iwork == NULL ) {
69 goto exit_level_0;
70 }
71 work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,3*n) );
72 if( work == NULL ) {
74 goto exit_level_1;
75 }
76 /* Call middle-level interface */
77 info = LAPACKE_sporfs_work( matrix_layout, uplo, n, nrhs, a, lda, af, ldaf,
78 b, ldb, x, ldx, ferr, berr, work, iwork );
79 /* Release memory and exit */
80 LAPACKE_free( work );
81exit_level_1:
82 LAPACKE_free( iwork );
83exit_level_0:
84 if( info == LAPACK_WORK_MEMORY_ERROR ) {
85 LAPACKE_xerbla( "LAPACKE_sporfs", info );
86 }
87 return info;
88}
#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
lapack_int LAPACKE_sporfs_work(int matrix_layout, char uplo, lapack_int n, lapack_int nrhs, const float *a, lapack_int lda, const float *af, lapack_int ldaf, const float *b, lapack_int ldb, float *x, lapack_int ldx, float *ferr, float *berr, float *work, lapack_int *iwork)
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_spo_nancheck(int matrix_layout, char uplo, lapack_int n, const float *a, lapack_int lda)
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
Here is the call graph for this function: