LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_sptsv_work()

lapack_int LAPACKE_sptsv_work ( int  matrix_layout,
lapack_int  n,
lapack_int  nrhs,
float *  d,
float *  e,
float *  b,
lapack_int  ldb 
)

Definition at line 35 of file lapacke_sptsv_work.c.

37{
38 lapack_int info = 0;
39 if( matrix_layout == LAPACK_COL_MAJOR ) {
40 /* Call LAPACK function and adjust info */
41 LAPACK_sptsv( &n, &nrhs, d, e, b, &ldb, &info );
42 if( info < 0 ) {
43 info = info - 1;
44 }
45 } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
46 lapack_int ldb_t = MAX(1,n);
47 float* b_t = NULL;
48 /* Check leading dimension(s) */
49 if( ldb < nrhs ) {
50 info = -7;
51 LAPACKE_xerbla( "LAPACKE_sptsv_work", info );
52 return info;
53 }
54 /* Allocate memory for temporary array(s) */
55 b_t = (float*)LAPACKE_malloc( sizeof(float) * ldb_t * MAX(1,nrhs) );
56 if( b_t == NULL ) {
58 goto exit_level_0;
59 }
60 /* Transpose input matrices */
61 LAPACKE_sge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
62 /* Call LAPACK function and adjust info */
63 LAPACK_sptsv( &n, &nrhs, d, e, b_t, &ldb_t, &info );
64 if( info < 0 ) {
65 info = info - 1;
66 }
67 /* Transpose output matrices */
68 LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
69 /* Release memory and exit */
70 LAPACKE_free( b_t );
71exit_level_0:
72 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
73 LAPACKE_xerbla( "LAPACKE_sptsv_work", info );
74 }
75 } else {
76 info = -1;
77 LAPACKE_xerbla( "LAPACKE_sptsv_work", info );
78 }
79 return info;
80}
#define lapack_int
Definition: lapack.h:87
#define LAPACK_sptsv
Definition: lapack.h:14535
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:56
void LAPACKE_xerbla(const char *name, lapack_int info)
void LAPACKE_sge_trans(int matrix_layout, lapack_int m, lapack_int n, const float *in, lapack_int ldin, float *out, lapack_int ldout)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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