LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_zpstrf_work()

lapack_int LAPACKE_zpstrf_work ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_complex_double a,
lapack_int  lda,
lapack_int piv,
lapack_int rank,
double  tol,
double *  work 
)

Definition at line 35 of file lapacke_zpstrf_work.c.

39{
40 lapack_int info = 0;
41 if( matrix_layout == LAPACK_COL_MAJOR ) {
42 /* Call LAPACK function and adjust info */
43 LAPACK_zpstrf( &uplo, &n, a, &lda, piv, rank, &tol, work, &info );
44 if( info < 0 ) {
45 info = info - 1;
46 }
47 } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
48 lapack_int lda_t = MAX(1,n);
49 lapack_complex_double* a_t = NULL;
50 /* Check leading dimension(s) */
51 if( lda < n ) {
52 info = -5;
53 LAPACKE_xerbla( "LAPACKE_zpstrf_work", info );
54 return info;
55 }
56 /* Allocate memory for temporary array(s) */
58 LAPACKE_malloc( sizeof(lapack_complex_double) * lda_t * MAX(1,n) );
59 if( a_t == NULL ) {
61 goto exit_level_0;
62 }
63 /* Transpose input matrices */
64 LAPACKE_zpo_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
65 /* Call LAPACK function and adjust info */
66 LAPACK_zpstrf( &uplo, &n, a_t, &lda_t, piv, rank, &tol, work, &info );
67 if( info < 0 ) {
68 info = info - 1;
69 }
70 /* Transpose output matrices */
71 LAPACKE_zpo_trans( LAPACK_COL_MAJOR, uplo, n, a_t, lda_t, a, lda );
72 /* Release memory and exit */
73 LAPACKE_free( a_t );
74exit_level_0:
75 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
76 LAPACKE_xerbla( "LAPACKE_zpstrf_work", info );
77 }
78 } else {
79 info = -1;
80 LAPACKE_xerbla( "LAPACKE_zpstrf_work", info );
81 }
82 return info;
83}
#define LAPACK_zpstrf(...)
Definition: lapack.h:14320
#define lapack_int
Definition: lapack.h:87
#define lapack_complex_double
Definition: lapack.h:64
#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)
#define MAX(x, y)
Definition: lapacke_utils.h:46
void LAPACKE_zpo_trans(int matrix_layout, char uplo, lapack_int n, const lapack_complex_double *in, lapack_int ldin, lapack_complex_double *out, lapack_int ldout)
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