LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_sgesvxx()

lapack_int LAPACKE_sgesvxx ( int  matrix_layout,
char  fact,
char  trans,
lapack_int  n,
lapack_int  nrhs,
float *  a,
lapack_int  lda,
float *  af,
lapack_int  ldaf,
lapack_int ipiv,
char *  equed,
float *  r,
float *  c,
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_sgesvxx.c.

44{
45 lapack_int info = 0;
46 lapack_int* iwork = NULL;
47 float* work = NULL;
48 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
49 LAPACKE_xerbla( "LAPACKE_sgesvxx", -1 );
50 return -1;
51 }
52#ifndef LAPACK_DISABLE_NAN_CHECK
53 if( LAPACKE_get_nancheck() ) {
54 /* Optionally check input matrices for NaNs */
55 if( LAPACKE_sge_nancheck( matrix_layout, n, n, a, lda ) ) {
56 return -6;
57 }
58 if( LAPACKE_lsame( fact, 'f' ) ) {
59 if( LAPACKE_sge_nancheck( matrix_layout, n, n, af, ldaf ) ) {
60 return -8;
61 }
62 }
63 if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
64 return -14;
65 }
66 if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
67 LAPACKE_lsame( *equed, 'c' ) ) ) {
68 if( LAPACKE_s_nancheck( n, c, 1 ) ) {
69 return -13;
70 }
71 }
72 if( nparams>0 ) {
73 if( LAPACKE_s_nancheck( nparams, params, 1 ) ) {
74 return -25;
75 }
76 }
77 if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
78 LAPACKE_lsame( *equed, 'r' ) ) ) {
79 if( LAPACKE_s_nancheck( n, r, 1 ) ) {
80 return -12;
81 }
82 }
83 }
84#endif
85 /* Allocate memory for working array(s) */
86 iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
87 if( iwork == NULL ) {
89 goto exit_level_0;
90 }
91 work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,4*n) );
92 if( work == NULL ) {
94 goto exit_level_1;
95 }
96 /* Call middle-level interface */
97 info = LAPACKE_sgesvxx_work( matrix_layout, fact, trans, n, nrhs, a, lda, af,
98 ldaf, ipiv, equed, r, c, b, ldb, x, ldx, rcond,
99 rpvgrw, berr, n_err_bnds, err_bnds_norm,
100 err_bnds_comp, nparams, params, work, iwork );
101 /* Release memory and exit */
102 LAPACKE_free( work );
103exit_level_1:
104 LAPACKE_free( iwork );
105exit_level_0:
106 if( info == LAPACK_WORK_MEMORY_ERROR ) {
107 LAPACKE_xerbla( "LAPACKE_sgesvxx", info );
108 }
109 return info;
110}
#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_sgesvxx_work(int matrix_layout, char fact, char trans, lapack_int n, lapack_int nrhs, float *a, lapack_int lda, float *af, lapack_int ldaf, lapack_int *ipiv, char *equed, float *r, float *c, 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)
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_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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