LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_sposvxx()

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

Definition at line 35 of file lapacke_sposvxx.c.

43{
44 lapack_int info = 0;
45 lapack_int* iwork = NULL;
46 float* work = NULL;
47 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
48 LAPACKE_xerbla( "LAPACKE_sposvxx", -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_spo_nancheck( matrix_layout, uplo, n, a, lda ) ) {
55 return -6;
56 }
57 if( LAPACKE_lsame( fact, 'f' ) ) {
58 if( LAPACKE_spo_nancheck( matrix_layout, uplo, n, af, ldaf ) ) {
59 return -8;
60 }
61 }
62 if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
63 return -12;
64 }
65 if( nparams>0 ) {
66 if( LAPACKE_s_nancheck( nparams, params, 1 ) ) {
67 return -23;
68 }
69 }
70 if( LAPACKE_lsame( fact, 'f' ) && LAPACKE_lsame( *equed, 'y' ) ) {
71 if( LAPACKE_s_nancheck( n, s, 1 ) ) {
72 return -11;
73 }
74 }
75 }
76#endif
77 /* Allocate memory for working array(s) */
78 iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
79 if( iwork == NULL ) {
81 goto exit_level_0;
82 }
83 work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,4*n) );
84 if( work == NULL ) {
86 goto exit_level_1;
87 }
88 /* Call middle-level interface */
89 info = LAPACKE_sposvxx_work( matrix_layout, fact, uplo, n, nrhs, a, lda, af,
90 ldaf, equed, s, b, ldb, x, ldx, rcond, rpvgrw,
91 berr, n_err_bnds, err_bnds_norm, err_bnds_comp,
92 nparams, params, work, iwork );
93 /* Release memory and exit */
94 LAPACKE_free( work );
95exit_level_1:
96 LAPACKE_free( iwork );
97exit_level_0:
98 if( info == LAPACK_WORK_MEMORY_ERROR ) {
99 LAPACKE_xerbla( "LAPACKE_sposvxx", info );
100 }
101 return info;
102}
#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_sposvxx_work(int matrix_layout, char fact, char uplo, lapack_int n, lapack_int nrhs, float *a, lapack_int lda, float *af, lapack_int ldaf, char *equed, float *s, float *b, lapack_int ldb, float *x, lapack_int ldx, float *rcond, float *rpvgrw, float *berr, lapack_int n_err_bnds, float *err_bnds_norm, float *err_bnds_comp, lapack_int nparams, float *params, float *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_spo_nancheck(int matrix_layout, char uplo, lapack_int n, const float *a, lapack_int lda)
lapack_logical LAPACKE_s_nancheck(lapack_int n, const float *x, lapack_int incx)
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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