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

◆ LAPACKE_zgeqpf()

lapack_int LAPACKE_zgeqpf ( int  matrix_layout,
lapack_int  m,
lapack_int  n,
lapack_complex_double a,
lapack_int  lda,
lapack_int jpvt,
lapack_complex_double tau 
)

Definition at line 35 of file lapacke_zgeqpf.c.

38{
39 lapack_int info = 0;
40 double* rwork = NULL;
41 lapack_complex_double* work = NULL;
42 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
43 LAPACKE_xerbla( "LAPACKE_zgeqpf", -1 );
44 return -1;
45 }
46#ifndef LAPACK_DISABLE_NAN_CHECK
47 if( LAPACKE_get_nancheck() ) {
48 /* Optionally check input matrices for NaNs */
49 if( LAPACKE_zge_nancheck( matrix_layout, m, n, a, lda ) ) {
50 return -4;
51 }
52 }
53#endif
54 /* Allocate memory for working array(s) */
55 rwork = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,2*n) );
56 if( rwork == NULL ) {
58 goto exit_level_0;
59 }
60 work = (lapack_complex_double*)
62 if( work == NULL ) {
64 goto exit_level_1;
65 }
66 /* Call middle-level interface */
67 info = LAPACKE_zgeqpf_work( matrix_layout, m, n, a, lda, jpvt, tau, work,
68 rwork );
69 /* Release memory and exit */
70 LAPACKE_free( work );
71exit_level_1:
72 LAPACKE_free( rwork );
73exit_level_0:
74 if( info == LAPACK_WORK_MEMORY_ERROR ) {
75 LAPACKE_xerbla( "LAPACKE_zgeqpf", info );
76 }
77 return info;
78}
#define lapack_int
Definition: lapack.h:87
#define lapack_complex_double
Definition: lapack.h:64
#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_zgeqpf_work(int matrix_layout, lapack_int m, lapack_int n, lapack_complex_double *a, lapack_int lda, lapack_int *jpvt, lapack_complex_double *tau, lapack_complex_double *work, double *rwork)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_zge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda)
#define MAX(x, y)
Definition: lapacke_utils.h:46
Here is the call graph for this function: